V6 gta turbo random knockimg/clunking sound

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Johnhop

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V6 gta turbo random knockimg/clunking sound

Postby Johnhop » Sun Jun 15, 2025 4:25 pm

Hi on my 1990 I have a clunky knock ING sound that seems rotational it can be loud, slow, quiet, fast it generally happens whilst coasting in gear upto a junction but not always, it also only seems to occur after a fair few miles of driving sometimes it happens and sometimes it doesn't it's very irregular.

I've checked all the wheels and callipers, pads etc for movement and all seems good gear box mount has been suggested and I'm leaning towards wishbone rubbers/suspension rubbers but it doesn't happen if going over bumps, it only seems to occur while coasting in gear?

Hopefully someone can poo t me in the right direction...

TIA.

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