Any chance we could include the clutch packs/additive issue that is the cause of the diff making horrible noises in tight turning conditions? In my case the above mentioned noises started right after I had the pinion seal replaced, so perhaps after draining the diff to do the seal R&R, they neglected to put the correct additive back in. Or perhaps I just have become hyper-aware of anything diff related. By the way, one rocker panel was damaged during that seal replacement by improper lifting.

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Ron Gibson
Valencia Calif
2007 GXP Sky