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I tried looking in the Tech Folder but didn't see these while also using the search function. Some threads say 60 ft.-lbs. and some others say 80 ft.-lbs. I guess it may make a difference on the year? For a 2006 Crew Cab is it 80 for all of the bolts?
I had Energy Suspension mounts installed recently. In low speed turns as the body shifts, I have a creaking under my feet. I figured body mount bushing or hardware. I took it apart and greased it then put it back together. I used my impact on it. But that seemed too tight on it. I got to thinking what is the torque spec? Also should they be installed fairly dry to keep from slipping in their location. I saw another thread where one had slipped from too much grease. Energy Suspension's direction don't specify.
I'm revisiting this. The back of the cab is bouncing a little on the new Energy Suspension mounts. So 2006 Crew Cab, is the torque spec for the body bolt 80 Ft-lbs? Does anyone know?
I really need to up the torque on mine. Haven’t yet. I hearing some creak towards the front. I just haven’t had the time to do it. But I don’t know the correct value either.
Thanks. It's weird there's so many different specs floating around. I think I searched on here extensively and it was anywhere from 60 to 80 ft. lbs. Which trucks or cabs would be 80 ft. lbs?
Thanks Mark. I just wonder how the 60 versus 80 got started or if there really is a change in say '05 and up. I saw a thread on here that said the bolt size was different in the older versus newer bodies.
On Alldata for a 2006 Superduty it called for 60. That's where I got the info from but of course that's for the spongy STOCK mounts. If you're using the hard as bricks urethane kevlar kryptonite body mounts I'd have no problem going to 80 to stop the annoying squeaks. Good luck.
Well guys, took all of the bolts loose yesterday and re-tightened to 65 ft. lbs. I started at driver front, then passenger front then worked to the middle then rear bolts. I had 3 bolts that were 24 mm and 3 that were 21 mm. I don't really think they need 80 ft. lbs. but who knows.
I noticed the other day that the rear off the cab was bouncing which I thought was a driveline vibration and the whole truck was shaking. It was just the cab. Test drove it and the rear of the cab isn't bouncing now. So I hope it's fixed.
I finally got around to tightening mine. I went with 80 pounds. Went for a quick drive and there is a noticeable improvement. A little less bouncy.Feels tighter. I was surprised as to how much more I had to crank on it to get to 80 pounds.
I'm glad that worked out. The 65 ft. lbs might not be enough. I'm getting a little bouncing in the rear again although not as bad as before. I thought about two other possibilities; put a little rubber shim either on top or under the polyurethane bushing or buy a stock bushing set up just for the rear of the cab. I'll give it some more time though.
Another thing about how the mounts are made, they tighten until the spacer touches and then that's it. If the bushing is a little thin for the space then I think there will be problems.
Same problem as you guys with the Energy suspension bushings.
Installed them about 3 weeks ago and the truck was super quiet and drove like a new one again. Today it started creaking and got progressively worse. I have pulled back the carpet and tightened the bolts as tight as I can with a 3/4" breaker bar but no difference.