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1985 300zx 2 seater why is there a knocking sound from the rear end when you accelerate doesn't do it any other time?

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December 07, 2007 4:46AM

Rear U-joint causes knock. happens to almost every 300zx. mostly noticed in automatics.

I have owned all z31 zx's 84-89 except 88.

it will not damage anything, you can put 200k miles with this knock. Just annoying.

Steve

the Zman