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strange rattle in warm weather


mike_msch
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When I accelarate in first gear from standstill my car makes all the right noises. But when I change up a gear the moment I hit the accelerator it makes a faint rattle that last for about 2 seconds. It only does this at around 1500rpm. Strangely it won't make a single noise in the morning when it's not too hot. Any ideas or similar problems. I have no leaks, warning lights, heat shields seem fine and I can't locate anything else. Performance is perfect as well.

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Hi Michael--Sounds as though its something to do with the exaust I think you need to get under the car and shake the exaust pipes .??

You didnt say what engine you have and what pipes .????

 

Frank

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Hi Michael,

 

I had a 2.5 x type SE [manual on an 05 plate] which used to do the same thing when I accelerated in 2nd gear.

 

I thought it was the exhaust, but never got round to getting under the car before some rotten so & sos carjacked me.

 

It is worth having a look underneath. When I accelerated gently it never happened.

 

Regards 

 

Peter.

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Hi, definitely not pinking. I've listened and the engine sounds smooth when stationery. If I change gears at low rpm's it makes no noise at all. If I lift the clutch and accelerate with perfect timing that also makes no noise. But when the car is in motion, if I take my foot of the accelarator and then quickly tap it the noise will re appear. Hardly noticeable when it's cold. Sounds a bit like loose change in a bag. But again no noise when the car is stationary.

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Hi Michael ---I still think its the exaust system by the way you explain it --Sorry to hear you cant find

where it is because I know from experiance it can be very annoying ----.Keep trying  :lol::wacko: :wacko: :unsure:

 

Frank

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I really hope it's the exhaust. I think I'll get a garage to get it up on the ramps and check it out. Thanks for the replies. I'll leave a post if I ever find out what's wrong.

Cheers

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