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Re: Bad Torque Wrench... or you read wrong... (archive)

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Posted by Chris Rose on August 03, 2001 at 21:43:23:

In Reply to: Bad Torque Wrench... or you read wrong... posted by Tiger on August 03, 2001 at 20:44:15:

No, I don't think so. Obviously it's easy to get an innate sense for how much torque you are applying. I was not applying much torque. I believe the wrench was correct. The problem was that as I turned the wrench the torque did not increase. I thought maybe the nut was still turning on the the bolt stud. Since these are self-locking nuts it takes a fair amount of torque just to thread them. Anyway I turned about 1/2 turn hoping the nut would tighten and the torque would increase to 20 ft-lb. Instead it just twisted off after about 1/2 turn. I think the bolt had already been over-stressed once but someone quit before it twisted off. I admit it is my fault for torqueing them all down to 20 instead of the recommended 16. However the others that I tightened went to 20 no problem and felt normal while torqueing them. This also ties in with finding out that the upper parts of the strut assy are from a 1989-1992 model car and are not original for a 1995.

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