Re: Closed knuckle Dana 44 question


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Posted by Paul (in NY) [12.64.108.100] on Friday, March 18, 2011 at 20:35:01 :

In Reply to: Closed knuckle Dana 44 question posted by Ron in Indiana [71.97.183.184] on Friday, March 18, 2011 at 20:08:58 :

When changing from the bronze cone to the roller bearing, there is no published rotational (swinging) torque. The roller bearing must have a proper preload to function properly. Preload specs are given for all bearings, but without a lab setup or specs given in a shop manual, its all done by feel. There is no other way to measure the preload.

When I change the bronze cone to roller bearings on my W300, RFPW (dana 70), FFPW, M37 and WC-53, I went by a nice snug feel. When the preload felt good to me. I measured the preload with a bending beam inch pound torque wrench. I was between 60 and 80 inch pounds of torque swinging the knuckle back and forth. When swinging the knuckle the knuckle must be bare, no axle shafts, ball seals, tie rod. Just the stand alone knuckle.

Bottom line, there is no definitive answer since we are departing from the OEM build. To me, 60 to 80 inch pounds of swinging torque, as measures with a bending beam torque wrench feels good. To someone else, they may like it tighter or looser.

Paul





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