| Drive Axle Nut Torque [message #61939] |
Tue, 27 October 2009 12:43  |
Jon payne
Messages: 495
Registered: May 2008
Karma: 1
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Hello everyone,
I know this subject has been discussed before so I hope no one minds me bringing this up again. Note that I tried searching previous posts but have had no luck.
Okay, if you recall a few weeks ago I posted a topic about a problem I had with the RH front brake overheat. This was due to the caliper not fully releasing, most likely caused by the old deteriorated brake line. My main concern was with the wheel bearings and if they were adversely effected by the over temp. Since then I have change the caliper and replaced the brake line with a SS line from JimK. I am going to make another post later showing what I found with the bearing grease.
Anyway, when I got everything back together and torqued the front axle nut I could only torque it to 140 lbs ft and still be able to install the cotter key. Any more then 140 lbs the cotter key hole will not line up with the nut. Even at 250lbs (max on my TQ wrench) the cotter key hole is still covered. Per the MM the torque range is 140 to 280 lbs ft. So I am with in limits.
Any thoughts/comments on leaving the axle nut at 140 lbs ft of torque. It is within the limits. I could add a washer thus allowing more torque to be applied. Any thoughts about adding a washer?
Jon
Jon Payne
76 Palm Beach
Westfield,IN
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| Re: [GMCnet] Drive Axle Nut Torque [message #61955 is a reply to message #61954] |
Tue, 27 October 2009 14:14  |
mlincoln
Messages: 107
Registered: August 2006
Location: Salt Lake City
Karma: 0
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Senior Member |
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I bought the GMC DVD series with all the manuals and videos. I was
watching some random factory service videos last night, whiling away
time while waiting for the sisterly fighting sounds from my girls'
room to diminish. I happened to watch the factory video of the front
axle torque procedure, and it was just as described in the link below
(except in more detail). If you can get to 140 ft-lbs and fit the
cotter, you're good to go. If you go past the cotter pin hole and
you're not yet at 140 ft-lbs, you must continue to tighten until you
can fit the cotter pin, not to exceed 280 ft-lbs.
Mike Lincoln
On Oct 27, 2009, at 2:56 PM, Mr.erf ERFisher wrote:
> should be good, see here
> http://gmcmotorhome.info/front.html#torque
>
> gene
>
>
>
>>
>> Anyway, when I got everything back together and torqued the front
>> axle nut
>> I could only torque it to 140 lbs ft and still be able to install
>> the cotter
>> key. Any more then 140 lbs the cotter key hole will not line up
>> with the
>> nut. Even at 250lbs (max on my TQ wrench) the cotter key hole is
>> still
>> covered. Per the MM the torque range is 140 to 280 lbs ft. So I am
>> with in
>> limits.
>>
>> Jon
>>
>> --
>> Jon Payne/
>> 76 Palm Beach/
>> Westfield,IN
>> _______________________________________________
>> 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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Mike
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| Re: [GMCnet] Drive Axle Nut Torque [message #61968 is a reply to message #61939] |
Tue, 27 October 2009 15:16 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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John,
There are 2 holes on the axle to insert pin. This will help you to get
you in that torque rang. We prefer 200+
On Tue, Oct 27, 2009 at 10:43 AM, Jon Payne <embrep@sbcglobal.net> wrote:
>
>
> Hello everyone,
>
> I know this subject has been discussed before so I hope no one minds me bringing this up again. Note that I tried searching previous posts but have had no luck.
>
> Okay, if you recall a few weeks ago I posted a topic about a problem I had with the RH front brake overheat. This was due to the caliper not fully releasing, most likely caused by the old deteriorated brake line. My main concern was with the wheel bearings and if they were adversely effected by the over temp. Â Since then I have change the caliper and replaced the brake line with a SS line from JimK. I am going to make another post later showing what I found with the bearing grease.
>
> Anyway, when I got everything back together and torqued the front axle nut I could only torque it to 140 lbs ft and still be able to install the cotter key. Any more then 140 lbs the cotter key hole will not line up with the nut. Even at 250lbs (max on my TQ wrench) the cotter key hole is still covered. Per the MM the torque range is 140 to 280 lbs ft. So I am with in limits.
>
> Any thoughts/comments on leaving the axle nut at 140 lbs ft of torque. It is within the limits. I could add a washer thus allowing more torque to be applied. Any thoughts about adding a washer?
>
> Jon
>
> --
> Jon Payne/
> 76 Palm Beach/
> Westfield,IN
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Jim Kanomata
Applied/GMC, Fremont,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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| Re: [GMCnet] Drive Axle Nut Torque [message #61972 is a reply to message #61968] |
Tue, 27 October 2009 15:41 |
Jon payne
Messages: 495
Registered: May 2008
Karma: 1
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Senior Member |
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Thanks all for the input.
Jim I will check the axle, never realized they had two holes. Then again I never looked! I would feel more comfortable with a higher torque like you mentioned.
My best regards,
Jon
Jon Payne
76 Palm Beach
Westfield,IN
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