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Axel
Mar 21, 2009 22:24:27 GMT -5
Post by bobenbeth on Mar 21, 2009 22:24:27 GMT -5
OK I have a front replacement drive shaft. Mine has a lot of play where shaft joint is. I am not sure what it called. This is the section of the drive shaft that slides with the travel of the suspension. Since that had play in it the front yoke now has play. I think this should only be a pinon seal.
What are your thoughts. Could there be more internal damage or is this common seal?
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Axel
Mar 22, 2009 16:03:18 GMT -5
Post by cobra001 on Mar 22, 2009 16:03:18 GMT -5
Bob, When I had my pinon seal replaced the part(?)that holds the drivrshaft to the rear needed to be replaced.Reason being that it had a deep score in it from the seal riding on it.If this part was not replaced the leak would not stop even with a new seal.This was replaced when I had the locker installed. I ordered a SYE-should be here wednesday-and I have a pair of Currie adj. upper control arms in the garage.Looks like I'll be busy starting thursday. Vince
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Axel
Mar 22, 2009 19:55:36 GMT -5
Post by bobenbeth on Mar 22, 2009 19:55:36 GMT -5
that sounds like the problem i am going to have. I guess i will just have to take it apart and see
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Axel
Mar 23, 2009 13:41:00 GMT -5
Post by billdacat on Mar 23, 2009 13:41:00 GMT -5
I replaced a front pinion seal this weekend and will tell you it is not a fun job. The D30 uses a crush sleeve to set pinion preload. It is almost impossible to reuse an old crush sleeve and get the pinion preload to stay put.
The easy way to do this miserable job is to pull the carrier. If you over crush the new sleeve, it will be super easy to toss in a new sleeve from inside the housing without destroying the seal.
You will need a beam type inch pound torque wrench, (75in/lbs) NEW pinion nut, and crush sleeve. NEVER REUSE A PINION NUT. Nuts; once installed its done get a new one. They are cheep $2.00 so get a half dozen. Sleeves are tapered, small end toward the bearing; also cheep so get your self at least three.
You start with the pinion nut torque to 170 ft/lbs… Check running preload which at this time should be almost nothing. Tighten pinion nut a little (1/4 turn) and recheck running preload. Running preload is measured after the pinion is turning. We are looking for 10-20 inch/pounds of torque for used bearings. This is going to be a slow and arduous process with checking preload every quarter turn of pinion nut. When you start seeing the preload torque start climbing, you may need to make smaller adjustments to sneak up on the desired preload. Spin the yoke in between measurements to set the bearings. NEVER BACK OFF A PINION NUT Crush sleeves and pinion nuts are a one way ticket... ;D
If you deceide to toss the D30 and get a HPD30 or D44; then your troubles are over. (no crush sleeves)
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