| To repack rear wheel bearings or not? [message #108031] |
Thu, 09 December 2010 16:23  |
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Well I was wondering since I am going to install new wheels later today, should I go to the trouble to repack the rear wheel bearings with grease? If so are there any tips for this procedure?
73 Canyon Lands, (a.k.a. The Yellow Submarine) West Los Angeles CA
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| Re: [GMCnet] To repack rear wheel bearings or not? [message #108036 is a reply to message #108031] |
Thu, 09 December 2010 16:53  |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Shan,
If you don't know when they were done, do it. Just follow the manual's
procedure -- just like any old Detroit iron. But two biggies: 1. Be sure
you've got the right seals -- search the archives for the recent discussions
of bad ones being sold. 2. DO NOT over tighten the axle nut; the bearings
WILL fail if you do.
Ken H.
On Thu, Dec 9, 2010 at 5:23 PM, Shan Rose <defconfx@gmail.com> wrote:
>
>
> Well I was wondering since I am going to install new wheels later today,
> should I go to the trouble to repack the rear wheel bearings with grease? If
> so are there any tips for this procedure?
> _______________________________________________
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] To repack rear wheel bearings or not? [message #108038 is a reply to message #108036] |
Thu, 09 December 2010 17:12 |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma: 2
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Senior Member |
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seals
http://www.gmcmhphotos.com/photos/showgallery.php?cat=5621
gene
On Thu, Dec 9, 2010 at 2:53 PM, Ken Henderson <hend4800@bellsouth.net>wrote:
> Shan,
>
> If you don't know when they were done, do it. Just follow the manual's
> procedure -- just like any old Detroit iron. But two biggies: 1. Be sure
> you've got the right seals -- search the archives for the recent
> discussions
> of bad ones being sold. 2. DO NOT over tighten the axle nut; the bearings
> WILL fail if you do.
>
> Ken H.
>
> On Thu, Dec 9, 2010 at 5:23 PM, Shan Rose <defconfx@gmail.com> wrote:
>
> >
> >
> > Well I was wondering since I am going to install new wheels later today,
> > should I go to the trouble to repack the rear wheel bearings with grease?
> If
> > so are there any tips for this procedure?
> > _______________________________________________
> >
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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| Re: [GMCnet] To repack rear wheel bearings or not? [message #108041 is a reply to message #108039] |
Thu, 09 December 2010 17:57 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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I did find the correct ones at AZ -- but be sure to check each and every one
of them with Rob's 1/4" gauge.
Personally, I examine the bearings for scoring, pitting, and discoloration.
Applying as much manual axial pressure as I can while rotating the bearing
in the dry race, I feel for any roughness.
If they look and feel good, I pack them carefully and reinstall them. I had
a new '59 Ford and a '62 Pontiac Bonneville SW that were hard on rear wheel
bearings. I don't remember ever replacing any others until I did so at 100K
on my '91 S-10 -- just 'cause.
Ken H.
On Thu, Dec 9, 2010 at 6:20 PM, Shan Rose <defconfx@gmail.com> wrote:
>
>
> Hmm hopefully I can find those seals at autozone. About how often should
> the bearings themselves should be replaced?
> _______________________________________________
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: To repack rear wheel bearings or not? [message #108053 is a reply to message #108031] |
Thu, 09 December 2010 20:17 |
philipswanson
Messages: 282
Registered: January 2004
Karma: 0
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Senior Member |
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Follow the recommendations in the service manual. When all else fails, read the manual. Part of standard maintenance. I did the front wheel bearings once for a customer and he drove the coach cross country to Key West, Fl. He got a bad wheel bearing fire but in the rear. Don't ignore them. Pay me now or pay me MORE later applies.
Phil Swanson
77GMCPB
[Updated on: Thu, 09 December 2010 20:18] Report message to a moderator |
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| Re: [GMCnet] To repack rear wheel bearings or not? [message #108080 is a reply to message #108053] |
Thu, 09 December 2010 22:56 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Phil,
I'm sorry but I'm going to disagree with you. The manuals were written over
THIRTY YEARS ago and the lubricants they had back then were not as good as
what exists now-a-days.
It says to Clean & Repack the RWB every 24,000 miles. I reckon with
Valvoline Synpower grease you could go well beyond that.
Regards,
Rob M.
USAussie - Downunder
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Phil Swanson
Sent: Thursday, December 09, 2010 8:17 PM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] To repack rear wheel bearings or not?
Follow the recommendations in the dervice manual. When all else fails, read
the manual. Part of standard maintenance. I did the front wheel bearing
once for a customer and he drove the coach cross country to Key West, Fl.
He got a bad wheel bearing fire but in the rear. Don't ignore them. Pay me
now or pay me MORE later applies.
Phil Swanson
77GMCPB
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_______________________________________________
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: To repack rear wheel bearings or not? [message #108113 is a reply to message #108031] |
Fri, 10 December 2010 10:50 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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Repack them.
DO NOT USE MOBIL 1 grease.
Do not tighten them too much.
I recommend a grease with M02 in it like Valvoline SYNPOWER. If you can not find SynPower, Valvoline and others also make a non-synthetic MSO2 grease which could also be used. SynPower has a higher temperature rating.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] To repack rear wheel bearings or not? [message #108124 is a reply to message #108115] |
Fri, 10 December 2010 14:46 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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What I saw there was not to use MOS2 grease in precision bearings. Wheels bearings and CV joints are hardly precision beatings. They liked Lithium grease in wheels bearings.
My John Deere tractor says to ONLY use MOS2 grease in all bearings and other grease joints. They will not warranty any part where other grease types are used. I do not know if the warranty is any big deal since nothinng ever wears out or breaks until the waarranty expires.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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ill probably do the work this weekend. I got my new wheels on and they look sweet. So ill post a thread about that later..