1997 F-150 vibration problem
Posting Guru
Joined: Sep 2011
Posts: 1,409
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From: Clitherall, MN.
A month or so ago my truck did the same thing more or less. At first I thought the same thing, tires and whatnot. Happened to look at the inner part of the rears and saw a big greasy mess on the pass side. The diff, fluid ruined my brake shoes on that side. I would check the bearings out, don't take long to do, and if you catch it before it turns into a slimy mess it will save you the price of a brake job. Do both sides while you have the punkin open. A weird thing with mine was I had the 9.75? diff but the bearings were for an 8.8. Go figure. OReallys has a puller you can rent.
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5th Wheeling
Joined: Dec 2002
Posts: 32
Likes: 0
From: Edison USA
Tried the tire swap with no change. Had it up on the lift again with one of the mechanics I've used. With a simple pointer attached to the frame, held near the driveshaft, the truck running and in gear, he observed a wobble in the shaft itself. It got worse with increased rpm(s). His conclusion, either some damage or a twist in the shaft. Called a driveshaft shop, they said they would make a a diagnosis when I could bring it in.
Carpenter Local 745
Joined: Apr 2006
Posts: 5,794
Likes: 11
From: on da beach
One the 2002 F150 2wd I just traded in, It had a vibration that I know was due to worn ball joints in the front upper and lower
control arms.
Mind you, the vibration was not excessive, but noticeable. The control arms also created abnormal tire wear adding to the
noticeable vibration.
I donʻt know exactly what vibration intensity you are experiencing, but check most or all of your suspension bushings too.
A 18 year old truck with high mileage may need new rubber parts by now.
control arms.
Mind you, the vibration was not excessive, but noticeable. The control arms also created abnormal tire wear adding to the
noticeable vibration.
I donʻt know exactly what vibration intensity you are experiencing, but check most or all of your suspension bushings too.
A 18 year old truck with high mileage may need new rubber parts by now.
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5th Wheeling
Joined: Dec 2002
Posts: 32
Likes: 0
From: Edison USA
Ball joints were replaced some time back. They simply wore themselves out as Ford made no provisions for them to be greased, same as so many other suspension items. No abnormal tire wear has been noticed. Still trying to find a driveline shop that doesn't tell me the same thing: no appointments; leave it and we'll get to it when we get to it; maybe out in a day, maybe not.
Elder User
Joined: Mar 2001
Posts: 898
Likes: 0
From: SF Bay area
Tried the tire swap with no change. Had it up on the lift again with one of the mechanics I've used. With a simple pointer attached to the frame, held near the driveshaft, the truck running and in gear, he observed a wobble in the shaft itself. It got worse with increased rpm(s). His conclusion, either some damage or a twist in the shaft. Called a driveshaft shop, they said they would make a a diagnosis when I could bring it in.
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rrooney
1973 - 1979 F-100 & Larger F-Series Trucks
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Apr 3, 2003 06:11 PM
