View Single Post
Old 12-02-2019, 01:24 PM   #11
40 Deluxe
Senior Member
 
Join Date: May 2010
Location: now Kuna, Idaho
Posts: 3,774
Default Re: fish scale instead of torque wrench

Quote:
Originally Posted by holdover View Post
With the coupon you can get a inch pound torque wrench from Harbor freight for 9.99. In fact for the same price you can get one in foot lbs. I have one of them in every vehicle I drive to torque lug nuts if I have to change a tire. Car craft did a test a few years ago and they rated at the top with less than 2% error, that is better than my Snap-on and Craftsman!

But those are the 'click-type'. They are no good for checking pinion bearing preload! When checking preload you must take the reading as the pinion shaft is turning steadily. The reading is highest just before the shaft starts to turn, then drops. What you need is rotating torque, not initial torque. So if you use a click-type wrench and adjust the preload so the wrench clicks just as the bearing starts to move, the rotating torque will actually be too low.
40 Deluxe is offline   Reply With Quote