Gene
Yea, you missed something.....oil on the lugs or lugnuts will not assure
that the lugnuts will stay on, Clean the items and make sure that they are
dry before reassmbly. Check with any truck tire man.
Wayne Newland F9300 75 Palm Beach Columbia, Md.
> -- [ From: Eugene Fisher * EMC.Ver #3.1a PRODIGY ] --
>
> ------- FORWARD, Original message follows -------
>
> Date: Tuesday, 14-Sep-99 05:32 PM
>
> From: Eugene Fisher \ PRODIGY: (JDDP32B)
> To: dave \ Internet: (david.gonsalves
> house.gov)
>
> Subject: Re: GMC:hub centered wheels
>
> The literature says you should use hub centered wheels on the GMC. Are
> we talking about non-hub centered wheels here ??? This has been shown
> not to be a good idea.... Almost all of the literature -old and new-
> say these wheels / rims will wear the holes egg shaped ,wear the studs
> and run out of round.
>
> I think a clean, oiled, lug bolt / nut combination is the only way you
> will get an accurate torque. Else you might torque up against a rust
> particle and not get tight.
>
> Have I missed something here ?? gene
>
> -------- REPLY, Original message follows --------
>
> Date: Tuesday, 14-Sep-99 07:45 PM
>
> From: dave \ Internet: (dgmdgm)
> To: gmclist \ Internet: (gmcmotorhome
> .org)
>
> Attachment: mimemsg.doc Code: 0A4NNGA \ Created: Unknown [4 Kb]
>
> Subject: Re: GMC: Oiling Wheel Studs
>
> >So just what happens if one oils their wheel studs? If it's
> considered a
> >problem, is there some source documenting the problem??
>
> My understanding is that the wheels are not "hub centered". I think that
> means the weight of the vehicle is supported by the friction between the
> lug nuts and the wheel, not the center hole in the wheel. So, if you
> have loose nuts, oil or grease on the nuts etc. there is not enough
> friction to keep the wheels from moving around on the hub. The clicking
> noise you may hear is the wheel clanking as it moves up and down on the
> hub while its turning.
>
> Something else to keep an eye out for is a dirty, dusty or rusty looking
> streak on your wheel, starting at the lug nut and extending out toward
> the tire. That streak is composed of tiny metal particles from the nut
> rubbing against the wheel. Its usually caused by the nut working its way
> loose.
>
> I don't know why these wheels are designed this way but it is a common
> problem with this design to have the lug nuts come loose. Probably
> because they are not tightened properly to begin with. So if you have
> had the wheels off, its a good idea to check the lug nut torque a second
> time after logging a few miles.
>
> If you use any kind of lubricant to get stuck lug nuts loose, be sure
> everything is clean before reinstalling them. Brake cleaner or carb
> cleaner works good.
>
> Some of this info is documented in the service manual but I don't
> remember what sections.
>
> With regard to oiling the studs, I use a very tiny amount of wheel
> bearing grease on the studs to keep them from rusting and to keep the
> nuts from getting stuck. The problem is that you can not let any grease
> get on the flat surface of the nut (where it presses on the wheel) or on
> the wheel or hub. Also keep in mind that oil and grease migrate at high
> temps.
>
> Dave
> Ann Arbor, MI.
> 73 Sequoia (26'/455/EFI/HEI)
>
> -------- REPLY, End of original message --------
>
> Gene 76Palm Beach /Or/CA
>
> GMC Technical Information http://www.california.com/~eagle/
> ------- FORWARD, End of original message -------
>
> Gene 76Palm Beach /Or/CA
>
> GMC Technical Information
> http://www.california.com/~eagle/
Yea, you missed something.....oil on the lugs or lugnuts will not assure
that the lugnuts will stay on, Clean the items and make sure that they are
dry before reassmbly. Check with any truck tire man.
Wayne Newland F9300 75 Palm Beach Columbia, Md.
> -- [ From: Eugene Fisher * EMC.Ver #3.1a PRODIGY ] --
>
> ------- FORWARD, Original message follows -------
>
> Date: Tuesday, 14-Sep-99 05:32 PM
>
> From: Eugene Fisher \ PRODIGY: (JDDP32B)
> To: dave \ Internet: (david.gonsalves
> house.gov)
>
> Subject: Re: GMC:hub centered wheels
>
> The literature says you should use hub centered wheels on the GMC. Are
> we talking about non-hub centered wheels here ??? This has been shown
> not to be a good idea.... Almost all of the literature -old and new-
> say these wheels / rims will wear the holes egg shaped ,wear the studs
> and run out of round.
>
> I think a clean, oiled, lug bolt / nut combination is the only way you
> will get an accurate torque. Else you might torque up against a rust
> particle and not get tight.
>
> Have I missed something here ?? gene
>
> -------- REPLY, Original message follows --------
>
> Date: Tuesday, 14-Sep-99 07:45 PM
>
> From: dave \ Internet: (dgmdgm)
> To: gmclist \ Internet: (gmcmotorhome
> .org)
>
> Attachment: mimemsg.doc Code: 0A4NNGA \ Created: Unknown [4 Kb]
>
> Subject: Re: GMC: Oiling Wheel Studs
>
> >So just what happens if one oils their wheel studs? If it's
> considered a
> >problem, is there some source documenting the problem??
>
> My understanding is that the wheels are not "hub centered". I think that
> means the weight of the vehicle is supported by the friction between the
> lug nuts and the wheel, not the center hole in the wheel. So, if you
> have loose nuts, oil or grease on the nuts etc. there is not enough
> friction to keep the wheels from moving around on the hub. The clicking
> noise you may hear is the wheel clanking as it moves up and down on the
> hub while its turning.
>
> Something else to keep an eye out for is a dirty, dusty or rusty looking
> streak on your wheel, starting at the lug nut and extending out toward
> the tire. That streak is composed of tiny metal particles from the nut
> rubbing against the wheel. Its usually caused by the nut working its way
> loose.
>
> I don't know why these wheels are designed this way but it is a common
> problem with this design to have the lug nuts come loose. Probably
> because they are not tightened properly to begin with. So if you have
> had the wheels off, its a good idea to check the lug nut torque a second
> time after logging a few miles.
>
> If you use any kind of lubricant to get stuck lug nuts loose, be sure
> everything is clean before reinstalling them. Brake cleaner or carb
> cleaner works good.
>
> Some of this info is documented in the service manual but I don't
> remember what sections.
>
> With regard to oiling the studs, I use a very tiny amount of wheel
> bearing grease on the studs to keep them from rusting and to keep the
> nuts from getting stuck. The problem is that you can not let any grease
> get on the flat surface of the nut (where it presses on the wheel) or on
> the wheel or hub. Also keep in mind that oil and grease migrate at high
> temps.
>
> Dave
> Ann Arbor, MI.
> 73 Sequoia (26'/455/EFI/HEI)
>
> -------- REPLY, End of original message --------
>
> Gene 76Palm Beach /Or/CA
>
> GMC Technical Information http://www.california.com/~eagle/
> ------- FORWARD, End of original message -------
>
> Gene 76Palm Beach /Or/CA
>
> GMC Technical Information
> http://www.california.com/~eagle/
