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10-18-2003, 10:03 PM | #1 |
Senior Member
Join Date: May 2002
Location: mt juliet, tennessee, usa
Posts: 237
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A Little Rear End Help Please
I replaced the pinion oil seal as it was
leaking onto the pinion yoke and being sprayed onto the under side of the bed. Well, the problem is that the notes that I took when I replaced the seal are LOST. Don't how many threads were showing on the pinion shaft before the nut was removed. So...I'm going to have to guess to get it into the ball park. Could 2/3 people check their rear ends to see how many threads are showing? Maybe I can do an average and get it in the ballpark. Thanks! Jim Mt Juliet |
10-18-2003, 10:09 PM | #2 |
Formerly yellow72custom
Join Date: May 2001
Location: Austin, TX
Posts: 7,531
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The nut must be tightned down uniquely for each rear end.
The way to reset it is to tighten down the pinion nut, and then measure the torque it takes to rotate the pinion gear with an inch/pound touqe wrench. I think it is supposed to be 12-14 in/lbs, but i'm not sure. Someone else here will know for sure. You don't want to drive it too much with the pinion nut too far off, or you have the chance of destroying your rear axle. I would limit your travel to around the yard, simply moving the truck.
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'72 Chevy C10 Mild 350/TH350/3.07. Ochre/White. Old high school ride. '70 GMC C2500 '62 327 4bbl/SM465/4.56-geared Dana 60. White/White. Project or parts truck. '97 Saturn SL DD. 1.9/5-speed. 40+ highway mpg |
10-18-2003, 10:13 PM | #3 |
Account Suspended
Join Date: Mar 2003
Location: ** THE FALL GUY **CHICAGO IL
Posts: 5,883
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well its not a matter of threads...it needs to be tightened to about 200ft. lbs..then take a punch and pop the nut in a couple places to make sure it don't back off....
place a bar in the u-joint yoke...or a pipe wrench on yoke against the floor to keep it from turnig and tighten... i had to buy a new torque wrench that went to 275ft lbs.to do mine and yes its supposed to be checked on the inside for play after that... Last edited by rage'nrat638; 10-18-2003 at 10:15 PM. |
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