8.8 - Bent Housing or Bent Axle? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 12-16-2002, 03:33 PM
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Question 8.8 - Bent Housing or Bent Axle?

I had all the bearing replaced in my 8.8 reaerend about a year ago. When doing so the mechanic informed me that one of the bearings was wearing into the axle. An easy fix to this was replacing the stock bearing with a larger bearing so that it would ride on a smooth portion of the axle. Well a year later I've noticed some squeaking whenever I am coasting. As soon as I apply the brakes it goes away or if I get on the throttle is seems to go away also. I checked the rear brake pads and they have decent meat. A few months ago I noticed the left rear seal was leaking. Other than this the car drives fine. There is no noticeable vibrations or no constant roar coming from the rearend. Is there an easy way to check and see if the housing is bent or if I simply have a bent axle causing me these problems? I think the previous owner may have slammed the left rear into something!

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Old 12-16-2002, 03:37 PM
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Bent housing would definitely do the damage you describe. Only way I know if checking straightness accurately enough is to chuck the housing in a lathe and check it with a dial gauge. Doing it this way, they can also straighten it. In fact, jsut eelding on a bracket or two can throw it out enough to lunch bearings quickly.
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Old 12-16-2002, 04:23 PM
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[quote]...the mechanic informed me that one of the bearings was wearing into the axle. An easy fix to this was replacing the stock bearing with a larger bearing so that it would ride on a smooth portion of the axle.<hr></blockquote>

I think what you are experiencing is simply axle wear. The 7.5/8.8 uses the axle shaft as a bearing surface and a cheap fix is a replacement axle bearing with an offset that rides on a new area of the shaft.

The only way to fix it is with new axle shafts/bearings and aftermarket hardened shafts are about the same price as factory.

To determine a bent axle housing, have a four wheel alignmnt performed. It is a lot easier than pulling the rear end assembly.
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Old 12-16-2002, 05:30 PM
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Actually I had two alignment done on the car 6 months ago when I lowered it. The first was without caster/camber plates and the second was with caster/camber plates. Anyway, I did get some weird readings off the rear of the car. On the first trip the left rear had a .1 degree camber with a -.40 degree toe while the right rear had a -.4 degree camber with a -.47 degree toe. On the second trip the left rear had .0 degree camber with a -.27 degree toe and the right rear had -.5 degree camber with a -.42 degree toe. I'm not an expert so I don't know if this is par for course or if this way out of wack.
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