Bearings

[scott nutter1]

A lot of people will just take off the front knuckle and send it to Dave Lenzi to replace the bearings and install a grease zerk if wanted.
Jim K at Applied has the bearings, as you know. You can also have Jim B at the Co-op put you a care package together for the rear or front bearings.
I believe Cinabar has the timken bearings.

The rear are somewhat easier, sorta like a trailer.

If it was me I would only use the USA made bearings. The Chinese bearings are about half the cost, but I've read that are prone to failure.

Good luck,
Scott
--
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, tankless water heater, everything Lenzi.
Houston, Texas

 

[john r. lebetski]

The front is not a shade tree job. The rear proceedure is often missread, so read and understand the lash setting proceedure to the T or they will
fail with possible wheel assembly loss. After torquing while rotating you loosten the nut without disturbing. Then finger tighten only, if holes line
up then pin it. If not then loosen the nut to next hole or alternate hole whichever comes first on the spindle and pin there. Best to study the holes
on spindle as they are 1/2 the spacing of the castilated nut when holes are alternated.
--
John Lebetski
Woodstock, IL
77 Eleganza II

 

[Russell]

Kevin,
The rear wheel bearings are fairly easy to replace with basic tools, just don't over tighten the castle nut. Follow the manual when tightening it. I
replaced all four rear wheel bearings when I did the rear brakes (all new parts) in a weekend. As you know, I'm a newbie too (August 2016), and an
unskilled, very amateur, shade tree mechanic. I bought the rear wheel bearing kit from JimK, and it included Timken bearings and seals for all four
rear wheels. You can also get them from Jim Bounds or Jeff Sirum. I have not replaced my front wheel bearings, as I don't have the bearing puller,
but there is a loaner puller available. For the front, you can buy rebuilt knuckles with new bearings already pressed in that also have the zerk
fitting for maintenance greasing. Truth be told, I'll probably ask Jeff Sirum or Jim Bounds to do my front bearings when the time comes.
--
Russell Keith,
1978 Eleganza II "Harry" 403, Danny Dunn Tranny (w/shift kit, 3.50 sprockets, Allison), Thorley, Stock Brakes w/Remote Vacuum Brake Booster, Mico
Electric Actuated brake lock, Dakota Digital Dash, 6.5kW Onan,
Dunedin, Florida

 

[wayne rogewski]

If you dont know the maintenance history of the front bearings I would strongly encourage you to get the knuckles to one of the pros out there who
know exactly what they are doing. Your in FL so you have a few options somewhat locally. When I first got my coach I was blessed to find Dave Lenzi
close to me and even more blessed to find a fellow GMCer to help me remove the knuckles. For starters a 3/4 inch drive breaker bar and a 6 foot
cheater pipe just to get the CV nuts loose... from there it was somewhat easier. You also need a large torque wrench.

Having the time I was fortunate to listen to Dave's explanation about the front bearings, GMs designs and what can happen over time. Long story
short, if your bearings have wear or have not been properly maintained they can wallow the opening in the knuckle a bit. What this means is even if
you put in new bearings and grease them correctly you may still have problems down the road. Dave addresses this with his rebuilds and you KNOW its
correct. My knuckles, hubs, bearings and front rotors were all in bad shape.. Needless to say a full blown set of knuckles, hubs, bearings, seals,
grease fittings, AND new front rotors all put together correctly, cost less than a tow bill from the side of the road. I got a great explanation of
everything, beautiful parts, expert workmanship and peace of mind. Easily one of the best and safest upgrades to the coach. Again if you dont know
for sure, I would encourage you to let a pro do that job on the fronts. If things fail there it gets bad very quickly.

As mentioned on the rear bearings, you need to follow the procedure to the letter in the manual. Keep all the bearings with their respective hubs,
or just do one wheel at a time. They dont mix and match. If anything is scored, looks burned, etc. Replace both the bearing it's race. New bearings
and old races dont mix. Id go with Synpower or Mobil 1 grease. Invest in a bearing grease packer as well as there are 8 bearings to do. If you
dont know the condition of the rear brakes be prepared for a full break job including wheel cylinders, spring kit, shoes. The works. Bet on at least
one or two brake fittings or bleeders to round off. You might as well tackle those when your doing the bearings. SKF brand seals are still from
what I understand passing the test. A search on the forum will get you the part number and the procedure to test the seals for correctness. There
was also a pretty recent posting about how far to drive the new seals in correctly.

Good Luck and keep at it. Learn as much as you can from others.


--
77 Royale, Rear Dry Bath. 403, 3.55 Final Drive, Lenzi goodies, Patterson carb and dizzy.
Mid Michigan

 

[jerry sitzlar]

Kevin,

In case you haven't found out yet, to answer your question: the bearing kit from Jim K is for one front wheel, it includes Timken USA bearings,
races, and inside and outside double seals. It is expensive but you will get the best and correct parts. Jim also has the kits for the rear wheels,
again Timken USA bearings. Front and rear bearings have different part numbers.

This past summer, I replaced all of the bearings and seals on the rear wheels, in addition to replacing the entire brake system to include stainless
steel lines, booster, etc, etc.

This past fall I took my coach to Chuck Boyd's Garagemahall and let him do the bearing replacement on the front wheels. He has the tools and
especially the expertise to do the job. I helped the best I could. I haven't driven my coach much because of not knowing the condition of all of the
wheel bearings, plus I had to fight the steering to keep it out of the ditch. After removing the front wheels , Chuck found the cv axle nuts were
actually only finger tight, a wrench was not needed to remove them. The seals had hardened and broken apart, the bearings had traces of metal filings
in the grease (two colors of grease), one hub was out of specs and had to be replaced with a spare Chuck had. After a good cleaning, Chuck drilled
and installed grease zerks on both knuckles. Everything was cleaned ,greased and put back together with the proper torque on the axle nuts. As
always with Chuck, after finding those problems, he checked the alignment of the steering box, it was 90 degrees out. After we got that straight, he
drilled and installed a grease zerk on the top steering u joint, then on to aligning the toe on the front wheels. Also somewhere in the past a PO
had installed a large heavy duty steering damper on the coach. It had leaked and was shot, I removed that beast as I was actually fighting it to
turn to the right. I'm glad I live close to Chuck.

The PO I had bought the coach from had taken it to two garages to have work done on the front suspension , one had been a GMC motorhome shop and the
other was a heavy truck repair shop. One of them had neglected to torque the cv axle nuts and it could have been disastrous.

So, follow the advice of the fellow GMCers and I would also recommend getting expert help on the front end.

Cheers,
Jerry
--
Jerry Sitzlar..... 77 Eleganza II, Twin bed, dry bath......
Lenoir City, TN

 

[jim kanomata1]

Before Dave even owned a GMC, People like Roland wilber and Ken Toma had
the front Bearing and Knuckle figured out.
I was very fortunat to learn a lot from the two back in 1984.
We know how to rebuild the front knuckles and space the bearigs with
correct spacer AFTER trial fitting them on the HUB.
Plus Lenze uses the flimsy outter seal. while Sirum and we use the Beefy
outer seal.
I warrentey the assembly for 80-100 miles without greasing them during the
use.
The play comes from the Knuckle allowing the bearing assembly to rock as
the bore are not tight from the start.
Our techs are always ammased to so a uit we did 80,000 miles come in as
there is no play as the knucke is still tight.
So we know the front bearing and knuckle well and in some ways better than
some.

On Fri, Jan 5, 2018 at 7:46 PM, Jerry Sitzlar via Gmclist <

>
> Kevin,
>
> In case you haven't found out yet, to answer your question: the bearing
> kit from Jim K is for one front wheel, it includes Timken USA bearings,
> races, and inside and outside double seals. It is expensive but you will
> get the best and correct parts. Jim also has the kits for the rear wheels,
> again Timken USA bearings. Front and rear bearings have different part
> numbers.
>
> This past summer, I replaced all of the bearings and seals on the rear
> wheels, in addition to replacing the entire brake system to include
> stainless
> steel lines, booster, etc, etc.
>
> This past fall I took my coach to Chuck Boyd's Garagemahall and let him do
> the bearing replacement on the front wheels. He has the tools and
> especially the expertise to do the job. I helped the best I could. I
> haven't driven my coach much because of not knowing the condition of all of
> the
> wheel bearings, plus I had to fight the steering to keep it out of the
> ditch. After removing the front wheels , Chuck found the cv axle nuts were
> actually only finger tight, a wrench was not needed to remove them. The
> seals had hardened and broken apart, the bearings had traces of metal
> filings
> in the grease (two colors of grease), one hub was out of specs and had to
> be replaced with a spare Chuck had. After a good cleaning, Chuck drilled
> and installed grease zerks on both knuckles. Everything was cleaned
> ,greased and put back together with the proper torque on the axle nuts. As
> always with Chuck, after finding those problems, he checked the alignment
> of the steering box, it was 90 degrees out. After we got that straight, he
> drilled and installed a grease zerk on the top steering u joint, then on
> to aligning the toe on the front wheels. Also somewhere in the past a PO
> had installed a large heavy duty steering damper on the coach. It had
> leaked and was shot, I removed that beast as I was actually fighting it to
> turn to the right. I'm glad I live close to Chuck.
>
> The PO I had bought the coach from had taken it to two garages to have
> work done on the front suspension , one had been a GMC motorhome shop and
> the
> other was a heavy truck repair shop. One of them had neglected to torque
> the cv axle nuts and it could have been disastrous.
>
> So, follow the advice of the fellow GMCers and I would also recommend
> getting expert help on the front end.
>
> Cheers,
> Jerry
> --
> Jerry Sitzlar.....
> 77 Eleganza II, Twin bed, dry bath......
> Lenoir City, TN
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>

--
Jim Kanomata
Applied/GMC, Newark,CA
jimk
http://www.appliedgmc.com
1-800-752-7502

 

[johnny]

Be >SURE< to correctly seat the bearings and set the proper end play by using the manual procedure. I did it wrong on one rear wheel on my 23'. That
wheel passed me on Interstate 75 one Sunday afternoon about 300 miles after it was installed. Not a fun experience.

--johnny

--
76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
"I forgive them all, save those who hurt the dogs. They must answer to me in hell" - ol Andy, paraphrased

 

[jim kanomata1]

Rob,
I'm not runing down anyone, just pointing out facts.
Just compare the two seals should you aquire the two types.

On Sat, Jan 6, 2018 at 6:36 AM, Johnny Bridges via Gmclist <

> Be >SURE< to correctly seat the bearings and set the proper end play by
> using the manual procedure. I did it wrong on one rear wheel on my 23'.
> That
> wheel passed me on Interstate 75 one Sunday afternoon about 300 miles
> after it was installed. Not a fun experience.
>
> --johnny
>
> --
> 76 26' Eleganza(?) with beaucoup mods and add - ons.
> Braselton, Ga.
> "I forgive them all, save those who hurt the dogs. They must answer to me
> in hell" - ol Andy, paraphrased
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>

--
Jim Kanomata
Applied/GMC, Newark,CA
jimk
http://www.appliedgmc.com
1-800-752-7502

 

[brian waddell]

I have not used my 77 gmc elegansa mostly because the steering is so bad...I have replaced most components ordered from Dave L.....might replace the steering box next...I have discussed steering issues with the gmcnet in the past. I have new front bearings and seals from Jim K. I bought them a few years ago but decided not to install them as I know I am not qualified...So my question...Me and the gmc are situated near Winnipeg Manitoba Canada...grand forks Noth Dakota 125mi. or so south...Where is the closest place I could drive this coach to have someone qualified do front wheel bearings etc with grease fittings?..

brian 77 ele 455

 

[Jim Hupy]

Brian, remember this point. "When you can't figure out why you coach won't
steer, look to the rear end. The back end CAN and DOES steer the coach."
Particularly the forward bogies.
Jim Hupy
Salem, Or
78 GMC ROYALE 403

> I have not used my 77 gmc elegansa mostly because the steering is so
> bad...I have replaced most components ordered from Dave L.....might replace
> the steering box next...I have discussed steering issues with the gmcnet in
> the past. I have new front bearings and seals from Jim K. I bought them a
> few years ago but decided not to install them as I know I am not
> qualified...So my question...Me and the gmc are situated near Winnipeg
> Manitoba Canada...grand forks Noth Dakota 125mi. or so south...Where is the
> closest place I could drive this coach to have someone qualified do front
> wheel bearings etc with grease fittings?..
>
> brian 77 ele 455
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>

 

[john r. lebetski]

Since you have a 77 it should be one of the best driving. Have you diagnosed by reading Rob Mueller's thesis on the subject? You can find it at GMC
Eastern States site. I was fortunate to be able to get the home aligmment kit that was as offered by Jerry Work a while back. That put the finishing
touch on mine.
--
John Lebetski
Woodstock, IL
77 Eleganza II

 

[brian waddell]

replaced the rear bearings and did all measurements on the bogies ....solid tight and nothing bent...Brian 77 ele 455

________________________________
From: Gmclist on behalf of James Hupy
Sent: January 7, 2018 3:59 PM
To: gmclist
Subject: Re: [GMCnet] bearings

Brian, remember this point. "When you can't figure out why you coach won't
steer, look to the rear end. The back end CAN and DOES steer the coach."
Particularly the forward bogies.
Jim Hupy
Salem, Or
78 GMC ROYALE 403

> I have not used my 77 gmc elegansa mostly because the steering is so
> bad...I have replaced most components ordered from Dave L.....might replace
> the steering box next...I have discussed steering issues with the gmcnet in
> the past. I have new front bearings and seals from Jim K. I bought them a
> few years ago but decided not to install them as I know I am not
> qualified...So my question...Me and the gmc are situated near Winnipeg
> Manitoba Canada...grand forks Noth Dakota 125mi. or so south...Where is the
> closest place I could drive this coach to have someone qualified do front
> wheel bearings etc with grease fittings?..
>
> brian 77 ele 455
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

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>
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[Jim Hupy]

How about tires? Are you running all steel belts, or steel belt treads with
rag sidewalls? Inflation pressures?
Jim Hupy

replaced the rear bearings and did all measurements on the bogies ....solid
tight and nothing bent...Brian 77 ele 455

________________________________
From: Gmclist on behalf of James Hupy <
jamesh1296>
Sent: January 7, 2018 3:59 PM
To: gmclist
Subject: Re: [GMCnet] bearings

Brian, remember this point. "When you can't figure out why you coach won't
steer, look to the rear end. The back end CAN and DOES steer the coach."
Particularly the forward bogies.
Jim Hupy
Salem, Or
78 GMC ROYALE 403

> I have not used my 77 gmc elegansa mostly because the steering is so
> bad...I have replaced most components ordered from Dave L.....might
replace
> the steering box next...I have discussed steering issues with the gmcnet
in
> the past. I have new front bearings and seals from Jim K. I bought them
a
> few years ago but decided not to install them as I know I am not
> qualified...So my question...Me and the gmc are situated near Winnipeg
> Manitoba Canada...grand forks Noth Dakota 125mi. or so south...Where is
the
> closest place I could drive this coach to have someone qualified do front
> wheel bearings etc with grease fittings?..
>
> brian 77 ele 455
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

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[brian waddell]

yep...did all that Mueller stuff on front end inspection...I have been through this discussion before here on the net...I would like to drive the coach somewhere to have the front bearings replaced a zerk installed...I know I could send the knuckles out but would like to take the coach to someone capable and known to be so...Brian 77 ele 455

________________________________
From: Gmclist on behalf of John R.Lebetski
Sent: January 7, 2018 4:03 PM
To: gmclist
Subject: Re: [GMCnet] bearings

Since you have a 77 it should be one of the best driving. Have you diagnosed by reading Rob Mueller's thesis on the subject? You can find it at GMC
Eastern States site. I was fortunate to be able to get the home aligmment kit that was as offered by Jerry Work a while back. That put the finishing
touch on mine.
--
John Lebetski
Woodstock, IL
77 Eleganza II

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[brian waddell]

been through this but thanks for the suggestions...new BFG radial 16 inch with new alcoas varied psi...no change...new hub extensions on and off...no change....new relay and pitmann and alignment and other pivot point arm (forget name)...no change and steering linkage and steering cv new lube and tolerences checked and taken off and tried and tried different positions on that blue telescoping shaft and everything is tight and no change...steering box maybe next but would like to do the front wheell bearings anyway..... by driving it somewhere......where???..Brian 77 ele 455

________________________________
From: Gmclist on behalf of James Hupy
Sent: January 7, 2018 4:27 PM
To: gmclist
Subject: Re: [GMCnet] bearings

How about tires? Are you running all steel belts, or steel belt treads with
rag sidewalls? Inflation pressures?
Jim Hupy

replaced the rear bearings and did all measurements on the bogies ....solid
tight and nothing bent...Brian 77 ele 455

________________________________
From: Gmclist on behalf of James Hupy <
jamesh1296>
Sent: January 7, 2018 3:59 PM
To: gmclist
Subject: Re: [GMCnet] bearings

Brian, remember this point. "When you can't figure out why you coach won't
steer, look to the rear end. The back end CAN and DOES steer the coach."
Particularly the forward bogies.
Jim Hupy
Salem, Or
78 GMC ROYALE 403

> I have not used my 77 gmc elegansa mostly because the steering is so
> bad...I have replaced most components ordered from Dave L.....might
replace
> the steering box next...I have discussed steering issues with the gmcnet
in
> the past. I have new front bearings and seals from Jim K. I bought them
a
> few years ago but decided not to install them as I know I am not
> qualified...So my question...Me and the gmc are situated near Winnipeg
> Manitoba Canada...grand forks Noth Dakota 125mi. or so south...Where is
the
> closest place I could drive this coach to have someone qualified do front
> wheel bearings etc with grease fittings?..
>
> brian 77 ele 455
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

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[LarryW]

Most of the time when someone complains of this kind of steering issue, the steering gear is no longer on "high point'. I'm guessing that at some time
in the past, someone took your steering shaft apart and did not put it back together right. There is a very specific procedure that needs to be
followed to get it back where it belongs. Alex Ferrara has mastered the art of putting it on high point and cured something over 100 GMC's with
handling manners. So, driving your coach to Florida to have Alex F. do the adjustment on your steering box is not practical. So check out this set of
instructions posted on the GMCphoto site of how to do High Point.

http://www.gmcmhphotos.com/photos/steering-gear-box/p52883-set-steering-box-highpoint.html

Let us know how things turn out.

--
Larry
78 Royale w/500 Caddy
Menomonie, WI.

 

[Jim Hupy]

You are not too far from Cinnabar. $$$ but they do know GMC's.
Jim Hupy

> been through this but thanks for the suggestions...new BFG radial 16 inch
> with new alcoas varied psi...no change...new hub extensions on and
> off...no change....new relay and pitmann and alignment and other pivot
> point arm (forget name)...no change and steering linkage and steering cv
> new lube and tolerences checked and taken off and tried and tried different
> positions on that blue telescoping shaft and everything is tight and no
> change...steering box maybe next but would like to do the front wheell
> bearings anyway..... by driving it somewhere......where???..Brian 77 ele 455
>
>
> ________________________________
> From: Gmclist on behalf of James Hupy <
> jamesh1296>
> Sent: January 7, 2018 4:27 PM
> To: gmclist
> Subject: Re: [GMCnet] bearings
>
> How about tires? Are you running all steel belts, or steel belt treads with
> rag sidewalls? Inflation pressures?
> Jim Hupy
>

>
> replaced the rear bearings and did all measurements on the bogies ....solid
> tight and nothing bent...Brian 77 ele 455
>
>
> ________________________________
> From: Gmclist on behalf of James Hupy <
> jamesh1296>
> Sent: January 7, 2018 3:59 PM
> To: gmclist
> Subject: Re: [GMCnet] bearings
>
> Brian, remember this point. "When you can't figure out why you coach won't
> steer, look to the rear end. The back end CAN and DOES steer the coach."
> Particularly the forward bogies.
> Jim Hupy
> Salem, Or
> 78 GMC ROYALE 403
>

>
> > I have not used my 77 gmc elegansa mostly because the steering is so
> > bad...I have replaced most components ordered from Dave L.....might
> replace
> > the steering box next...I have discussed steering issues with the gmcnet
> in
> > the past. I have new front bearings and seals from Jim K. I bought them
> a
> > few years ago but decided not to install them as I know I am not
> > qualified...So my question...Me and the gmc are situated near Winnipeg
> > Manitoba Canada...grand forks Noth Dakota 125mi. or so south...Where is
> the
> > closest place I could drive this coach to have someone qualified do front
> > wheel bearings etc with grease fittings?..
> >
> > brian 77 ele 455
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
> Gmclist Info Page - GMCnet mailman/listinfo/gmclist_list.gmcnet.org>
> list.gmcnet.org
> To see the collection of prior postings to the list, visit the Gmclist
> Archives. Using Gmclist: To post a message to all the list members, send
> email ...
>
>
>
>
> Gmclist Info Page - GMCnet mailman/listinfo/gmclist_list.gmcnet.org>
> list.gmcnet.org
> To see the collection of prior postings to the list, visit the Gmclist
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> email ...
>
>
>
> >
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>
>
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[bdub1]

Have you checked with Tom Struthers and or Harold Kihn? Otherwise, nearest
agglomeration of GMCers in the know would be around the twin cities.

> You are not too far from Cinnabar. $$$ but they do know GMC's.
> Jim Hupy
>

>
> > been through this but thanks for the suggestions...new BFG radial 16 inch
> > with new alcoas varied psi...no change...new hub extensions on and
> > off...no change....new relay and pitmann and alignment and other pivot
> > point arm (forget name)...no change and steering linkage and steering cv
> > new lube and tolerences checked and taken off and tried and tried
> different
> > positions on that blue telescoping shaft and everything is tight and no
> > change...steering box maybe next but would like to do the front wheell
> > bearings anyway..... by driving it somewhere......where???..Brian 77 ele
> 455
> >
> >
> > ________________________________
> > From: Gmclist on behalf of James Hupy
> <
> > jamesh1296>
> > Sent: January 7, 2018 4:27 PM
> > To: gmclist
> > Subject: Re: [GMCnet] bearings
> >
> > How about tires? Are you running all steel belts, or steel belt treads
> with
> > rag sidewalls? Inflation pressures?
> > Jim Hupy
> >

> >
> > replaced the rear bearings and did all measurements on the bogies
> ....solid
> > tight and nothing bent...Brian 77 ele 455
> >
> >
> > ________________________________
> > From: Gmclist on behalf of James Hupy
> <
> > jamesh1296>
> > Sent: January 7, 2018 3:59 PM
> > To: gmclist
> > Subject: Re: [GMCnet] bearings
> >
> > Brian, remember this point. "When you can't figure out why you coach
> won't
> > steer, look to the rear end. The back end CAN and DOES steer the coach."
> > Particularly the forward bogies.
> > Jim Hupy
> > Salem, Or
> > 78 GMC ROYALE 403
> >

> >
> > > I have not used my 77 gmc elegansa mostly because the steering is so
> > > bad...I have replaced most components ordered from Dave L.....might
> > replace
> > > the steering box next...I have discussed steering issues with the
> gmcnet
> > in
> > > the past. I have new front bearings and seals from Jim K. I bought
> them
> > a
> > > few years ago but decided not to install them as I know I am not
> > > qualified...So my question...Me and the gmc are situated near Winnipeg
> > > Manitoba Canada...grand forks Noth Dakota 125mi. or so south...Where is
> > the
> > > closest place I could drive this coach to have someone qualified do
> front
> > > wheel bearings etc with grease fittings?..
> > >
> > > brian 77 ele 455
> > > _______________________________________________
> > > GMCnet mailing list
> > > Unsubscribe or Change List Options:
> > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> >
> > Gmclist Info Page - GMCnet > mailman/listinfo/gmclist_list.gmcnet.org>
> > list.gmcnet.org
> > To see the collection of prior postings to the list, visit the Gmclist
> > Archives. Using Gmclist: To post a message to all the list members, send
> > email ...
> >
> >
> >
> >
> > Gmclist Info Page - GMCnet > mailman/listinfo/gmclist_list.gmcnet.org>
> > list.gmcnet.org
> > To see the collection of prior postings to the list, visit the Gmclist
> > Archives. Using Gmclist: To post a message to all the list members, send
> > email ...
> >
> >
> >
> > >
> > _______________________________________________
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> >
> > Gmclist Info Page - GMCnet > mailman/listinfo/gmclist_list.gmcnet.org>
> > list.gmcnet.org
> > To see the collection of prior postings to the list, visit the Gmclist
> > Archives. Using Gmclist: To post a message to all the list members, send
> > email ...
> >
> >
> >
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[robert mueller]

Brian,

When you disassemble the hubs and knuckles you MUST check surfaces that the bearings ride on (the bore of the knuckle and the OD of
the hub). They must be true, square, and concentric. Quite often the bore of the knuckle has been elongated and is oval vertically.
The knuckles were bored with a pointed tool which results in a support area that looks like this a string of WWWWWWW's. The outer
bearing races are supported by the points of the W which "flatten out" over time. The OD of the hub can be tapered as well.

It seems to me that you might want to consider contacting Dave Lenzi and have him ship you complete hub, knuckle, and disk
assemblies with a zerk installed. You could have a local garage remove the existing assemblies from the upper and lower ball joints
which is reasonably straight forward.

Dave's hubs and knuckles are ground to make them true, square, and concentric. Material is flame sprayed on the ground surfaces and
then ground to the correct dimensions.

He supplies brake disks with four bolt holes sourced from Cinnabar which are made in the USA and are not re-drilled units from
China.

Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808


-----Original Message-----
From: Gmclist [mailto:gmclist-bounces] On Behalf Of Brian Waddell
Sent: Monday, January 8, 2018 9:07 AM
To: gmclist
Subject: [GMCnet] bearings

I have not used my 77 gmc elegansa mostly because the steering is so bad...I have replaced most components ordered from Dave
L.....might replace the steering box next...I have discussed steering issues with the gmcnet in the past. I have new front bearings
and seals from Jim K. I bought them a few years ago but decided not to install them as I know I am not qualified...So my
question...Me and the gmc are situated near Winnipeg Manitoba Canada...grand forks Noth Dakota 125mi. or so south...Where is the
closest place I could drive this coach to have someone qualified do front wheel bearings etc with grease fittings?..

brian 77 ele 455
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

 

[jim kanomata1]

Lot of people rent the bearing tool and have the shop forman call me so I
can guide them on the front. Majority of the time the knuckles will need to
be replaced as they will be loose fit.
You can get the rebuilt one from Dave Lezi or us as we size them to last.
As Jim Hupy mentioned, check the rear for play in the arm.
The rear is a snap to grease. Yes if you have the time , do it properly or
just grease it .
I have observed Penski lub their fleet, they never lift it at all.
Better to have ome rease than to run dry till you have time to do it right.

> Have you checked with Tom Struthers and or Harold Kihn? Otherwise, nearest
> agglomeration of GMCers in the know would be around the twin cities.
>

>
> > You are not too far from Cinnabar. $$$ but they do know GMC's.
> > Jim Hupy
> >

> >
> > > been through this but thanks for the suggestions...new BFG radial 16
> inch
> > > with new alcoas varied psi...no change...new hub extensions on and
> > > off...no change....new relay and pitmann and alignment and other pivot
> > > point arm (forget name)...no change and steering linkage and steering
> cv
> > > new lube and tolerences checked and taken off and tried and tried
> > different
> > > positions on that blue telescoping shaft and everything is tight and no
> > > change...steering box maybe next but would like to do the front wheell
> > > bearings anyway..... by driving it somewhere......where???..Brian 77
> ele
> > 455
> > >
> > >
> > > ________________________________
> > > From: Gmclist on behalf of James
> Hupy
> > <
> > > jamesh1296>
> > > Sent: January 7, 2018 4:27 PM
> > > To: gmclist
> > > Subject: Re: [GMCnet] bearings
> > >
> > > How about tires? Are you running all steel belts, or steel belt treads
> > with
> > > rag sidewalls? Inflation pressures?
> > > Jim Hupy
> > >

> > >
> > > replaced the rear bearings and did all measurements on the bogies
> > ....solid
> > > tight and nothing bent...Brian 77 ele 455
> > >
> > >
> > > ________________________________
> > > From: Gmclist on behalf of James
> Hupy
> > <
> > > jamesh1296>
> > > Sent: January 7, 2018 3:59 PM
> > > To: gmclist
> > > Subject: Re: [GMCnet] bearings
> > >
> > > Brian, remember this point. "When you can't figure out why you coach
> > won't
> > > steer, look to the rear end. The back end CAN and DOES steer the
> coach."
> > > Particularly the forward bogies.
> > > Jim Hupy
> > > Salem, Or
> > > 78 GMC ROYALE 403
> > >

> > >
> > > > I have not used my 77 gmc elegansa mostly because the steering is so
> > > > bad...I have replaced most components ordered from Dave L.....might
> > > replace
> > > > the steering box next...I have discussed steering issues with the
> > gmcnet
> > > in
> > > > the past. I have new front bearings and seals from Jim K. I bought
> > them
> > > a
> > > > few years ago but decided not to install them as I know I am not
> > > > qualified...So my question...Me and the gmc are situated near
> Winnipeg
> > > > Manitoba Canada...grand forks Noth Dakota 125mi. or so south...Where
> is
> > > the
> > > > closest place I could drive this coach to have someone qualified do
> > front
> > > > wheel bearings etc with grease fittings?..
> > > >
> > > > brian 77 ele 455
> > > > _______________________________________________
> > > > GMCnet mailing list
> > > > Unsubscribe or Change List Options:
> > > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > >
> > > Gmclist Info Page - GMCnet > > mailman/listinfo/gmclist_list.gmcnet.org>
> > > list.gmcnet.org
> > > To see the collection of prior postings to the list, visit the Gmclist
> > > Archives. Using Gmclist: To post a message to all the list members,
> send
> > > email ...
> > >
> > >
> > >
> > >
> > > Gmclist Info Page - GMCnet > > mailman/listinfo/gmclist_list.gmcnet.org>
> > > list.gmcnet.org
> > > To see the collection of prior postings to the list, visit the Gmclist
> > > Archives. Using Gmclist: To post a message to all the list members,
> send
> > > email ...
> > >
> > >
> > >
> > > >
> > > _______________________________________________
> > > GMCnet mailing list
> > > Unsubscribe or Change List Options:
> > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > >
> > > Gmclist Info Page - GMCnet > > mailman/listinfo/gmclist_list.gmcnet.org>
> > > list.gmcnet.org
> > > To see the collection of prior postings to the list, visit the Gmclist
> > > Archives. Using Gmclist: To post a message to all the list members,
> send
> > > email ...
> > >
> > >
> > >
> > > _______________________________________________
> > > GMCnet mailing list
> > > Unsubscribe or Change List Options:
> > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > > _______________________________________________
> > > GMCnet mailing list
> > > Unsubscribe or Change List Options:
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> > > GMCnet mailing list
> > > Unsubscribe or Change List Options:
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> > >
> > _______________________________________________
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> > Unsubscribe or Change List Options:
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--
Jim Kanomata
Applied/GMC, Newark,CA
jimk
http://www.appliedgmc.com
1-800-752-7502