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  #1  
Old 03-29-2017, 07:04 PM
Shadetree
 
Join Date: Jan 2010
Location: Back in SC upstate
Posts: 1,907
1985 SD differential question.

While installing the diesel engine and transmission in a gas body I changed the differential yoke to make the driveshaft work.

I think I messed up. Before I removed the gasser's yoke I check the rotational friction of the differential. I'd removed the the wheels, rotors and calipers and had the axles raise as high as they would go without raising the body off the jackstands. The rotational friction under these conditions was very slight, only 10 in-lbs.

I put the yoke off the diesel car on the gasser's differential and started turning the nut. I torqued it to 100 ft-lbs and checked the rotational friction.

It was 10 in-lbs at that point. Remembering that there was a 133 ft-lbs or 180 N-m I turned the nut with the torques wrench set on 133 ft-lbs.

Realizing that I'd probably put too much friction on the bearing I checked the rotational friction again. It's slightly higher now, somewhere around 12 in-lbs.

Is this a problem?
__________________
84 300SD
85 380SE
83 528e
95 318ic
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  #2  
Old 03-29-2017, 07:11 PM
Registered User
 
Join Date: Feb 2011
Location: Modesto CA
Posts: 4,335
Quote:
Originally Posted by Clemson88 View Post
While installing the diesel engine and transmission in a gas body I changed the differential yoke to make the driveshaft work.

I think I messed up. Before I removed the gasser's yoke I check the rotational friction of the differential. I'd removed the the wheels, rotors and calipers and had the axles raise as high as they would go without raising the body off the jackstands. The rotational friction under these conditions was very slight, only 10 in-lbs.

I put the yoke off the diesel car on the gasser's differential and started turning the nut. I torqued it to 100 ft-lbs and checked the rotational friction.

It was 10 in-lbs at that point. Remembering that there was a 133 ft-lbs or 180 N-m I turned the nut with the torques wrench set on 133 ft-lbs.

Realizing that I'd probably put too much friction on the bearing I checked the rotational friction again. It's slightly higher now, somewhere around 12 in-lbs.

Is this a problem?
No.
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  #3  
Old 03-29-2017, 07:37 PM
sixto's Avatar
smoke gets in your eyes
 
Join Date: Jun 2000
Location: Eastern TN
Posts: 20,851
X2. It's not a problem for Frank

Sixto
83 300SD
98 E320 wagon
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