| frontbearing inner seal [message #232480] |
Fri, 06 December 2013 17:47  |
skip2
Messages: 544
Registered: September 2011
Location: Winter Haven,FL (center o...
Karma: 3
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Senior Member |
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Good evening fellow inmates.
I did the grease fitting mod on front bearings a few months ago with all new bearings and seals. Have noticed I can see grease on the left one and hear it's noise when topping them off. Must have let the CV shaft slip back a little and folded the inner seal over on itself and its leaking. Going to pull it back off tomorrow and replace it. Found in the pile of parts my PO left me 2 front inner seals, on one the body is red and the rubber is real pliable with its inner ID being a couple of thousands bigger than the other one and the lip that rides on the CV body is about .020" taller than the other one. The other one is the standard grey/green color on most seal bodies and a much harder rubber. I remember some comments on seals being to deep and the difference in brands.Just need my memory refreshed on which seal is recommended. Thanks in advance.
Skip Hartline
74 Canyon Lands, FiTech,
3.7 FD LSD, Manny Tranny,
Springfield Distributor,
2001 Chevy Tracker Ragtop Towd
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| Re: [GMCnet] frontbearing inner seal [message #232491 is a reply to message #232480] |
Fri, 06 December 2013 18:30  |
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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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Skip,
Here's a link to Gene's website that discusses the seals:
http://gmcmotorhome.info/front.html#seals
I'd guess that the red seal is a Timken seal and the grey/green is a SKF / Chicago Rawhide / National seal.
Of particular importance:
Note: setting the inner seal is critical and the only seal setter known to be correct is made by Lenzi
See the description here: http://www.gmcmhphotos.com/photos/data/3221/Dave_Lenzi_s_seal_tool.pdf
Regards,
Rob M.
-----Original Message-----
From: Skip Hartline
Good evening fellow inmates.
I did the grease fitting mod on front bearings a few months ago with all new bearings and seals. Have noticed I can see grease on
the left one and hear it's noise when topping them off. Must have let the CV shaft slip back a little and folded the inner seal over
on itself and its leaking. Going to pull it back off tomorrow and replace it. Found in the pile of parts my PO left me 2 front inner
seals, on one the body is red and the rubber is real pliable with its inner ID being a couple of thousands bigger than the other one
and the lip that rides on the CV body is about .020" taller than the other one. The other one is the standard grey/green color on
most seal bodies and a much harder rubber. I remember some comments on seals being to deep and the difference in brands.Just need my
memory refreshed on which seal is recommended. Thanks in advance.
Skip Hartline
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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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