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Mend Renault Megane Noise Coupe

Loud Clink/knock noise?

Hi, i have got a 2006 renault megane coupe cabriolet. Its makes a loud clinking knocking noise froun underneath every time i accelerate and brake, only when i first accelerate and when i brake as if something is flexing. I have so far wasted £300 replacing both suspension top mounts and also a gearbox mount. ANY ideas? (p.s. renault are currently scraching their heads and have no more ideas)

Niel anderton
August 2010
Some Renaults have a lump of rubber/metal on top of the engine that can rattle. I think it is a harmonic damper of some sort. Seen this twice now. Try loading the engine slightly with an assistant looking in engine bay. Failing that find someone with a 'chassis ear' this is 6 switchable microphones clipped around the noise area to isolate it via headphones. Unfortunately won't fit on drive shafts.

mags
August 2010
c.v. joints are maybe worth a look at

wickham
August 2010
check exhaust rubbers

carl
August 2010
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