Home » Public Forums » GMCnet » Bearings (Front and rear)
| Re: [GMCnet] Bearings [message #327848 is a reply to message #327844] |
Sat, 06 January 2018 00:00   |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma:
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Senior Member |
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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 <
gmclist@list.gmcnet.org> wrote:
>
> 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
>
>
> _______________________________________________
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>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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