AC tensioner torque spec
Thread Starter
Intermediate
Joined: Sep 2020
Posts: 48
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AC Belt tensioner torque spec
Hello, I had taken off my ac tensioner and was suppposed to reinstall, for this I used a torque wrench set to 37ft lbs, which is the right spec that I managed to find, this actually stripped the threads in the bracket.. Did I use the wrong torque spec? What is weird to me is that its the same torque spec on the tensioners when the ac tensioner uses a smaller bolt.
Im just gonna try and put in a longer bolt and see if there is some more threads deeper, and this time I will just tighten on feel
Im just gonna try and put in a longer bolt and see if there is some more threads deeper, and this time I will just tighten on feel
Last edited by hEllberg; Apr 4, 2021 at 01:31 AM.
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I've NEVER torqued the idler wheel bolts, and never stripped them, either. Either your torque wrench is bad, or the previous owner had already partially stripped them. I use a 3/8" drive ratchet, and iirc, a 15mm socket. With a 3/8 drive, I think it would be pretty hard to strip the threads, unless your Andre the Giant! As for repairing, I recommend a helicoil, or a threaded insert of some kind. You may be able to get a longer bolt, and use a nylock lockout threaded onto the longer bolt. In my opinion, the longer bolt/nylock nut is cobbling it up, but it may work......
Thread Starter
Intermediate
Joined: Sep 2020
Posts: 48
Likes: 6
I've NEVER torqued the idler wheel bolts, and never stripped them, either. Either your torque wrench is bad, or the previous owner had already partially stripped them. I use a 3/8" drive ratchet, and iirc, a 15mm socket. With a 3/8 drive, I think it would be pretty hard to strip the threads, unless your Andre the Giant! As for repairing, I recommend a helicoil, or a threaded insert of some kind. You may be able to get a longer bolt, and use a nylock lockout threaded onto the longer bolt. In my opinion, the longer bolt/nylock nut is cobbling it up, but it may work......
Last edited by hEllberg; Apr 8, 2021 at 04:42 PM.
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From: Machineguns, because I don’t compromise
You got unlucky.
I basically torque those to “snug” with a couple drops of blue loctite.
They aren’t critical, 25lbs vs near-stripped won’t keep them in place any better than loctite and feel for what is tight.
I basically torque those to “snug” with a couple drops of blue loctite.
They aren’t critical, 25lbs vs near-stripped won’t keep them in place any better than loctite and feel for what is tight.
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