Thunk in rear end

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Jul 28, 2002 | 10:37 PM

biederboat

Thread Starter

Elder User

Joined: Jul 2001

Posts: 510

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From: Portland, OR

Thunk in rear end

I just replaced the rear axle on Aero #2 (93 AWD). There is a "thunk" that I'm certain is coming from the upper control arm that keep the axle in proper alignment to the drive line (connects next to the right top side of the diff. housing & up to body with two points). There is a gap that shifts when the body bounces. It's independant of accell/decell so it's not inside the housing. Should this gap be taken up by compressing the joint? When I pulled this large bolt out, the threads got a bit buggered up and not sure how tight I can get it. I can't check against my other Aero as it's still awaiting the tranny rebuild to be complete.

Can someone go out and have their wife bouce on the bumper and check to see if there is any slop in this joint? I hesitate to just crank on it as the bracket appears to be cast and might break. Would this mean that the bushing is worn?

Thanks,
Mark

Jul 29, 2002 | 02:09 AM

dzk007

Junior User

Joined: Dec 2001

Posts: 79

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From: rio rancho USA

Thunk in rear end

Yeah Mark, There should be no slop in the control arms of any suspension parts on the front or rear. Take the hit on the new bushing kit and do it right. otherwise, you may not like where it strands you.

Jul 29, 2002 | 09:14 AM

MO51

Senior User

Joined: Nov 2001

Posts: 319

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From: Sacramento

Thunk in rear end

My 96 had this symptom, that three legged bracket that connects front of rear axle with the frame had eaten the rubber bushings. I couldn't find a bushing kit, Ford (in Sacramento) only sold the new bracket and bushings together. ($300)