Re: Pinion seal torque spec

Posted by HH56 On 2010/11/8 19:11:43

I'll ask tonite's dumb question. As I see it a single nut on the universal flange controls all. You tighten that nut until the crush sleeve starts to go and then tighten more until you get the in/lb turn spec whatever the nut torque happens to be and stop-- is that correct?

The 47 manual says when replacing seal to carefully mark the nut, count the turns to remove and then after seal is replaced, put nut back exactly as before and nothing will be changed. Also gives a turn spec but no torque.

51 manual gives a turn spec but also a torque spec of 300-325 ft lbs for the pinion flange nut. No mention of counting the turns but just gives the turn spec upon replacing.

55 manual gives a turn spec but no torque spec and same instructions.

Guess the question is the 51 spec. Is that nut torque amount correct or do you really care what the torque is as long as the turn amount is correct. Apparently I am missing something in the picture because it would seem that you could put things back and have the right turn spec but nut be too loose. All very confusing for my feeble brain cell.