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1996 Other Volkswagen Models VALVE NOISE

Tiny
TASCHERI
  • MEMBER
  • 1996 VOLKSWAGEN
  • 4 CYL
  • 2WD
  • MANUAL
  • 50,000 MILES
The car will valves will make rattling noise while accelearating. This problems is not noticeable while the engine is cool. The revs seem to be limited at 4500 rpm´s and it gets a bit lower as the engine heats up.

The cooling system was flushed and the fans rebuilt. ( Both fans ) but there seems to always be a brownish contamination on the water.

I have changed the timing belt once and maybe I have gone off timing by a notch at the camshaft but I´m not quite sure.

pls help.

the engine is 2.0 liters EFI, 8 valves, AP2000 made by volks. The make is 1996.
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Sunday, December 23rd, 2007 AT 8:46 AM

1 Reply

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
Sounds like what you are describing is pinging or pre-detonation. If this was not present before the timing belt, then I would definitley check the timing as it can cause this.
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Sunday, December 23rd, 2007 AT 9:01 AM

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