Exhaust manifold bolts GM 9440954

ScottC

ScottC

Active member
Jul 28, 2021
436
240
43
Northern Indiana
Hello everyone, got back from Chippewa Falls (had a great time) and am back
to work on coach with a couple of questions, putting exhaust back together
and was wondering if it is fine to purchase grade 8 bolts 3/8-16 1 1/4"
and 1/8 inch flat washers from local store for the exhaust manifolds? was
not having much luck finding the GM 9440954.

Also doing the front end, wheel bearings, adding grease zerks, mostly in
good shape but I do need some boots, one ball joint boot has a tear so I'm
looking for those and is there a universal boot that fits the tie rod
ends? # 34 in the 78Z 6259391

Thank you!

--
Scott Campbell
Jack of All, Master of None!
President AMCA River Valley Chapter
1980 FXEF, 1997 XL, 2000 FLHT, 2014 FLD
1982 Chevy G20
1973 GMC Glacier Motorhome
 
Scott,
The parts# in the parts book are mostly discontinued.
You might want to visit our site and also use our tech svc to save some
time.

On Wed, Sep 29, 2021 at 2:41 PM Scott Campbell
wrote:

> Hello everyone, got back from Chippewa Falls (had a great time) and am back
> to work on coach with a couple of questions, putting exhaust back together
> and was wondering if it is fine to purchase grade 8 bolts 3/8-16 1 1/4"
> and 1/8 inch flat washers from local store for the exhaust manifolds? was
> not having much luck finding the GM 9440954.
>
> Also doing the front end, wheel bearings, adding grease zerks, mostly in
> good shape but I do need some boots, one ball joint boot has a tear so I'm
> looking for those and is there a universal boot that fits the tie rod
> ends? # 34 in the 78Z 6259391
>
> Thank you!
>
> --
> Scott Campbell
> Jack of All, Master of None!
> President AMCA River Valley Chapter
> 1980 FXEF, 1997 XL, 2000 FLHT, 2014 FLD
> 1982 Chevy G20
> 1973 GMC Glacier Motorhome
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
>

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

DO NOT use grade 8 fasteners on anything exhaust. (I guess you missed bolts and gaskets.) Gr8 are hardened alloy and not only do they like to gall,
but they will loose their tension when the exhaust heat normalizes (anneals) the alloy.

If you get done putting the exhaust and are not covered in anti-sieze, you didn't use enough.

Matt
--
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
 
Matt,

What grade bolts are you recommending?

I agree anti-seize is a must -
--
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
 
> Matt,
>
> What grade bolts are you recommending?
>
> I agree anti-seize is a must -

Ken,

Don't go to more than a Gr.2 unless you really need the bolt load. Stay with the Gr.2 because it will give you the least trouble with galling and
relaxation.

I have a really bad connection to the local WiFi I hope this makes it.

Matt Colie - Still at Chippewa Falls
--
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
 
Ken, We use the standard Grade 5.
Never over torque them as the manifold nees to expand and move as it get
hot /cool.
Some say too tight contribute to cracking.

> Matt,
>
> What grade bolts are you recommending?
>
> I agree anti-seize is a must -
> --
> Ken Burton - N9KB
> 76 Palm Beach
> Hebron, Indiana
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
>

--
Jim Kanomata ASE
Applied/GMC, Newark,CA
jimk
http://www.gmcrvparts.com
1-800-752-7502
 
Thanks for the replies!

Matt, I did read that somewhere about Grade 8, probably another post reply
from you.

Jim, I will pick up some grade 5

*Any ideas about new joint boots?*

> Ken, We use the standard Grade 5.
> Never over torque them as the manifold nees to expand and move as it get
> hot /cool.
> Some say too tight contribute to cracking.
>

>
> > Matt,
> >
> > What grade bolts are you recommending?
> >
> > I agree anti-seize is a must -
> > --
> > Ken Burton - N9KB
> > 76 Palm Beach
> > Hebron, Indiana
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> >
>
>
> --
> Jim Kanomata ASE
> Applied/GMC, Newark,CA
> jimk
> http://www.gmcrvparts.com
> 1-800-752-7502
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
>

--
Scott Campbell
Jack of All, Master of None!
President AMCA River Valley Chapter
1980 FXEF, 1997 XL, 2000 FLHT, 2014 FLD
1982 Chevy G20
1973 GMC Glacier Motorhome
 
Go and visit our web site and see what are available.

On Thu, Sep 30, 2021 at 5:34 AM Scott Campbell
wrote:

> Thanks for the replies!
>
> Matt, I did read that somewhere about Grade 8, probably another post reply
> from you.
>
> Jim, I will pick up some grade 5
>
> *Any ideas about new joint boots?*
>
> On Wed, Sep 29, 2021 at 10:27 PM Jim Kanomata

>
> > Ken, We use the standard Grade 5.
> > Never over torque them as the manifold nees to expand and move as it get
> > hot /cool.
> > Some say too tight contribute to cracking.
> >

> >
> > > Matt,
> > >
> > > What grade bolts are you recommending?
> > >
> > > I agree anti-seize is a must -
> > > --
> > > Ken Burton - N9KB
> > > 76 Palm Beach
> > > Hebron, Indiana
> > > _______________________________________________
> > > GMCnet mailing list
> > > Unsubscribe or Change List Options:
> > >
> >
> >
> > --
> > Jim Kanomata ASE
> > Applied/GMC, Newark,CA
> > jimk
> > http://www.gmcrvparts.com
> > 1-800-752-7502
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> >
>
>
> --
> Scott Campbell
> Jack of All, Master of None!
> President AMCA River Valley Chapter
> 1980 FXEF, 1997 XL, 2000 FLHT, 2014 FLD
> 1982 Chevy G20
> 1973 GMC Glacier Motorhome
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
>

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