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Old 08-15-2024, 09:02 PM #1
Lcsguthrie Lcsguthrie is offline
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Front Diff Wheel of Fortune

Anyone else’s driver side CV-Diff sound like this?

- YouTube

This was:
-Wheel/Tire off, front end on jack stands
-phone ~2inches away from diff (sound is much fainter otherwise)
-stethoscope was loudest right where the CV enters the diff. Wheel bearing was quiet.
-I can’t hear it at all when driving the car.
-4Hi engagement is perfect - no noise in 4Hi/2WD
-Just ordered the ECGS bushing …
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Old 08-15-2024, 10:42 PM #2
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Quote:
Originally Posted by Lcsguthrie View Post
Anyone else’s driver side CV-Diff sound like this?

- YouTube

This was:
-Wheel/Tire off, front end on jack stands
-phone ~2inches away from diff (sound is much fainter otherwise)
-stethoscope was loudest right where the CV enters the diff. Wheel bearing was quiet.
-I can’t hear it at all when driving the car.
-4Hi engagement is perfect - no noise in 4Hi/2WD
-Just ordered the ECGS bushing …
Probably as you guessed: needle bearing. There is a T-SB on that (service bulletin).
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Old 08-16-2024, 06:40 PM #3
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It looks like you have the suspension hanging try it with the jack under the lower control arm. The axle is lot level from what i could see at the end of the video. The axle should be level or close to it if not the bearings in the axle might bind a little at full drop. That sounds like the axle bearing binding not the bushing. Changing the ECGS bushing would be good to change but you might be chasing a noise that is not there only with the suspension fully hanging & you don’t drive that much with the suspension at full drop, axle should be fine unless it makes that noise just driving around normal.

Last edited by 214RUNNER; 08-16-2024 at 06:54 PM.
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Old 08-16-2024, 10:39 PM #4
Lcsguthrie Lcsguthrie is offline
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Quote:
Originally Posted by 214RUNNER View Post
It looks like you have the suspension hanging try it with the jack under the lower control arm. The axle is lot level from what i could see at the end of the video. The axle should be level or close to it if not the bearings in the axle might bind a little at full drop. That sounds like the axle bearing binding not the bushing. Changing the ECGS bushing would be good to change but you might be chasing a noise that is not there only with the suspension fully hanging & you don’t drive that much with the suspension at full drop, axle should be fine unless it makes that noise just driving around normal.
That’s a great call. I did have the suspension hanging at full drop. I will try again with the LCA supported. Thanks for the suggestion.
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