Can anyone diagnose this sound?

[Zabotkaaa]

Squeaky sound from the rear when switching to and from reverse / drive. 10r80 3.15 gear ratio. Hoping its just my springs compressing under load but not too sure.

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[blankman]

Is The sound coming from a single side of the vehicle or both? Any chance you have manually tried to manipulate the rear of the car in park to recreate the sound? Either by bouncing each side of the car to see if it makes the same sound, or jacking up the rear and using a jack to move the suspension up or down. I am by no means an expert, but that to me sounds like spring noise, or shock noise.

Could you provide info with miles on the vehicle and suspension if its been changed out, or is stock, etc?

 

[Zabotkaaa]

It sounds like the rear driver side. I haven’t tried to replicate the sound, but can do that today. It comes and goes, almost sounds like something needs to be greased. The mileage is 36,XXX on eibach sportline lowering springs.

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