Home » Public Forums » GMCnet » Rear Wheel Seal
| Re: [GMCnet] Rear Wheel Seal [message #325425 is a reply to message #325421] |
Wed, 25 October 2017 18:35   |
Richard Denney
Messages: 920
Registered: April 2010
Karma: 9
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Senior Member |
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All good, but weren't we talking about the seals on the rear hubs?
Rick "and what does that tool look like?" Denney
On Wed, Oct 25, 2017 at 6:24 PM Ken Henderson
wrote:
> Well, turns out we're circulating a bunch of false information again!
> Here's the link I found at Mr. erf's site:
>
> http://gmcmotorhome.info/front.html#rebuilt
>
> Even there, there's a discrepancy with what Dave says here:
>
> http://www.gmcmhphotos.com/photos/data/3221/Dave_Lenzi_s_seal_tool.pdf
>
> My tool sets the seal proud of the knuckle, which everyone seems to agree
> is WRONG. Hopefully, we didn't do any damage to the one we (LB & I)
> installed recently, because the seal fitted into the knuckle pretty easily;
> it's probable that the CV pushed it on into place without damaging it.
> Then again, we replaced it because the one removed was badly damaged --
> perhaps from being installed proud??? :-(
>
> Ken H.
>
>
> On Tue, Oct 24, 2017 at 1:04 PM, Ken Henderson
> wrote:
>
>> Larry,
>>
>> It's my understanding that the front wheel seal should be proud also --
>> but I never found a spec. for it in a manual. When we did one here
>> recently I made a seating tool to set 0.040", and arbitrary amount which
>> seemed adequate. Do you know the correct setting?
>>
>> I THINK I'd already made a tool for the rear seals; I'll have to hunt it
>> up and make sure it's set to your 0.060". If not, I'll chuck the disc
> back
>> in the lathe and correct it. What I'm a little concerned about there,
>> though, is whether the seal will then clear Manny's reaction arm torque
>> box. So many possible "gotcha's"! :-)
>>
>> Ken H.
>>
>>
>> On Tue, Oct 24, 2017 at 11:55 AM, Larry wrote:
>>
>>> Seal should stand "proud" about .060.
>>> --
>>>
>>
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--
Rick Denney
73 x-Glacier 230 "Jaws"
Off-list email to rick at rickdenney dot com
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| Re: [GMCnet] Rear Wheel Seal [message #325441 is a reply to message #325425] |
Thu, 26 October 2017 05:20 |
 |
USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Rick,
Correct, this email is confusing! Let's start with the front wheel bearing seal.
The front wheel bearing seal has two lips; one that contacts the CV joint shaft and a second that contacts the "face" of the CV
joint housing.
The lip that contacts the CV joint shaft keeps the grease in the bearings.
The lip that contacts the "face" of the CV joint keeps contamination out of the bearings.
The small flat tool that is on Gene's website is Dave Lenzi's tool to install the front wheel bearing seal. It locates the front
wheel bearing seal using the bearing cup as reference. Any other way of locating the seal can result in the part of the seal that
contacts the "face" of the CV joint too be to close to the "face" of the cv joint which will crush it and probably burn it out or
too far from the "face" and allow contamination in.
References:
Dave Lenzi's tool drawing on Gene's website:
http://www.gmcmhphotos.com/photos/data/3221/Dave_Lenzi_s_seal_tool.pdf
Dave Lenzi's tool in my Photosite Tools album:
http://www.gmcmhphotos.com/photos/tools/p63852-front-wheel-bearing-seal-tool.html
Note that they are identical.
I promised to post photos / drawings of the REAR wheel bearing tool I bought from Dave at the Elkhart GMCMI Convention, however, I
can't do it at the moment. I put it with a bunch of stuff I bought and it's at Scott Nutter's home and I won't see him until
sometime in November.
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@list.gmcnet.org] On Behalf Of Richard Denney
Sent: Wednesday, October 25, 2017 6:36 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Rear Wheel Seal
All good, but weren't we talking about the seals on the rear hubs?
Rick "and what does that tool look like?" Denney
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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: [GMCnet] Rear Wheel Seal [message #325486 is a reply to message #325441] |
Fri, 27 October 2017 14:26 |
Bruce Hart
Messages: 1500
Registered: October 2011
Location: La Grange, Wyoming
Karma: 5
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Senior Member |
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Going back over what Bruce Hislop said (second post). " if you press them
in flush with the hub the seal will be positioned too far inward and will
not
seal on the axle".
I found on three of the four wheels that the bearing grease had migrated
past the seal and collected on the brake backing plate in clumps.
Thanks everyone for your responses.
On Thu, Oct 26, 2017 at 4:20 AM, Rob Mueller
wrote:
> Rick,
>
> Correct, this email is confusing! Let's start with the front wheel bearing
> seal.
>
> The front wheel bearing seal has two lips; one that contacts the CV joint
> shaft and a second that contacts the "face" of the CV
> joint housing.
>
> The lip that contacts the CV joint shaft keeps the grease in the bearings.
>
> The lip that contacts the "face" of the CV joint keeps contamination out
> of the bearings.
>
> The small flat tool that is on Gene's website is Dave Lenzi's tool to
> install the front wheel bearing seal. It locates the front
> wheel bearing seal using the bearing cup as reference. Any other way of
> locating the seal can result in the part of the seal that
> contacts the "face" of the CV joint too be to close to the "face" of the
> cv joint which will crush it and probably burn it out or
> too far from the "face" and allow contamination in.
>
> References:
>
> Dave Lenzi's tool drawing on Gene's website:
>
> http://www.gmcmhphotos.com/photos/data/3221/Dave_Lenzi_s_seal_tool.pdf
>
> Dave Lenzi's tool in my Photosite Tools album:
>
> http://www.gmcmhphotos.com/photos/tools/p63852-front-
> wheel-bearing-seal-tool.html
>
> Note that they are identical.
>
> I promised to post photos / drawings of the REAR wheel bearing tool I
> bought from Dave at the Elkhart GMCMI Convention, however, I
> can't do it at the moment. I put it with a bunch of stuff I bought and
> it's at Scott Nutter's home and I won't see him until
> sometime in November.
>
> 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@list.gmcnet.org] On Behalf Of
> Richard Denney
> Sent: Wednesday, October 25, 2017 6:36 PM
> To: gmclist@list.gmcnet.org
> Subject: Re: [GMCnet] Rear Wheel Seal
>
> All good, but weren't we talking about the seals on the rear hubs?
>
> Rick "and what does that tool look like?" Denney
>
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Bruce Hart
1976 Palm Beach
Milliken, Co
GMC=Got More Class
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Bruce Hart
1976 Palm Beach
1977 28' Kingsley
La Grange, Wyoming
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| Re: [GMCnet] Rear Wheel Seal [message #325504 is a reply to message #325492] |
Sun, 29 October 2017 07:43 |
Bruce Hart
Messages: 1500
Registered: October 2011
Location: La Grange, Wyoming
Karma: 5
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Senior Member |
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Thanks Bruce, I made a plate for pressing the seal in that left the seal
proud by .060". I did converse with Dave L. and advised me that the seal
lip needed to
have at least 1/16" gap between lip and inner bearing race when installed.
On Sat, Oct 28, 2017 at 7:01 AM, Bruce Hislop wrote:
> Maybe the attached profile drawing will help. I believe Ken Henderson sent
> me this.
>
> http://www.gmcmhphotos.com/photos/skf-21771-rear-seal-
> fails-test/p63893-rear-axle-seal.html
>
> I think there maybe one more step or a taper on the axle at the seal area.
> The profile of the seal lip has been moved closer to the bearing so pushing
> the seal in too far causes it not contact the axle.
>
> Note: I am no professional degrees in any field therefore I have no
> knowledge about anything. Take my postings with a grain of salt.
>
> --
> Bruce Hislop
> ON Canada
> 77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
> Hubler 1 ton front end
> http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
> My Staff says I never listen to them, or something like that
>
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>
--
Bruce Hart
1976 Palm Beach
Milliken, Co
GMC=Got More Class
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Bruce Hart
1976 Palm Beach
1977 28' Kingsley
La Grange, Wyoming
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