Any ideas as to why my 185ft lb pitman arm nut would randomly come loose? I noticed it was loose, like hand tight, a year ago torqued an been fine ever since.
Was under my Jeep 2 weeks ago and noticed it was loose so I re-tightened it, was just laying under the Jeep today and look, sure enough its loose again.
I am in the fastener industry. Please use Loctite as it has been proven that lock washers have no real benefit. There are a few types that work but they are not very common. I will try to find the study on this (it was done by NASA).
I am in the fastener industry. Please use Loctite as it has been proven that lock washers have no real benefit. There are a few types that work but they are not very common. I will try to find the study on this (it was done by NASA).
You don't have to convince me. I don't design anything with lockwashers and I despise them with a passion. The only thing I've ever seen them do is tear up faying surfaces and get destroyed on removal.
I use the lock washer on pitman arms as a spacer to stop the possibility of the nut bottoming out on the shoulder at the base of the threads where the splines stop.
I would be just as comfortable with a machined spacer and loctite or an upset locknut.
I've not seen a stock pitman on a stock steering gear without a lockwasher done that way on purpose.
The most functioning lock washer is the nord-lock but they are hard to find.
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