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1995 Pontiac Grand Prix knocking when engine temp is reache

Tiny
PEPECAR
  • MEMBER
  • 1995 PONTIAC GRAND PRIX
Transmission problem
1995 Pontiac Grand Prix 6 cyl Two Wheel Drive Automatic 100, k miles

tempeture of engine 210+ loud knocking has tendisy to lunge slietly in park mode.
Monday, January 25th, 2010 AT 10:54 PM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
While it is possible the knock is a rod or main bearing, they usually start knocking when engine is started.

I would start by checking belts and pulleys, you may have a bad bearing in one or the pulleys or accessories, waterpump, alternator, power steering.
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Wednesday, January 27th, 2010 AT 7:43 AM

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