All Things Mk5 > How to Guides / Troubleshooting

Start Up Noise

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andrewparker:
Hi all,

Recently my car has started to make an unusual noise after start up. It is a kind of undulating low pitched squeal, and normally lasts a few miles, or can last longer. The performance of the engine doesn't seem to have been effected, and the car has been serviced recently, and nothing was mentioned, so I wasn't too concerned.

Any ideas as to what may be causing it? Car has done 27,500 miles.

TIA

andrewparker:
After a bit of investigation I think this might of started after changing the oil as part of the service. Could be the timing belt cover has warped when removing and refitting.

andrewparker:
Would they remove this?



I'm referencing this thread: http://golfmkv.com/forums/showthread.php?t=71397

spiker:
Hi mate,

I had the same problem, squeeling noise on cold start up fo a mile or so....... My dealer first changed the tensioner, didnt work, then changed the cam belt, that fixed it, had no problems since  :happy2:

Phil Mcavity:
I have the same noise, like a rubbing or chaffing noise only when cold or after the engine oil has done a few thousand miles. Cam belt tensioner is the more likely.(its half engine revs or Tickover pace) Everytime ive mentioned it to be checked on service, ive told them not to do any work till she's cold and they could hear the problem. Each time they have said" oh we cant find the noise sir" because they didnt leave it long enough to stand.Its some sort of roller on the front of the engine thats doing it.
Its now on my list of things to drop the car in just before the 3 years warranty is up.

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