Mend Renault Megane Cars

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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

Renault Megane Vehicles, Cars Noise Renault Megane Coupe

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