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fiveoformula
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Joined: 08 Aug 2007
Posts: 1799
Location: OR
1988 Pontiac Formula
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 Posted: Tue Oct 30, 2007 9:15 pm Post subject: timing chain |
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my car has always had an interesting rattle coming from the engine, only at like 7-900 rpm, not all the time and goes away with a quick rev.
I've had a few people diagnose it as a loose rattling timing chain...
anyone whos done this job have any advice? what all do i need for this?
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'88 FORMULA |
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Quasi-Traction
"I have petals"
Joined: 24 Oct 2005
Posts: 3873
Location: stumptown
1986 Chevrolet Camaro Berlinetta
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| Posted: Tue Oct 30, 2007 10:29 pm Post subject: |
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How does the car run? Have you check the timing with the EST connecter plugged in and unplugged recently?
I would think that a loose timing chain would create some timing/Idling problems. Is there anything in the engine bay that isn't secured down 100%?
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fiveoformula
Member
Joined: 08 Aug 2007
Posts: 1799
Location: OR
1988 Pontiac Formula
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| Posted: Wed Oct 31, 2007 8:33 am Post subject: |
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| Quasi-Traction wrote: | How does the car run? Have you check the timing with the EST connecter plugged in and unplugged recently?
I would think that a loose timing chain would create some timing/Idling problems. Is there anything in the engine bay that isn't secured down 100%? |
well i had it unplugged on monday cause i reset the timing....
it first i thought it was the tensioner pulley, but i ran the engine for 10 seconds without the serpentine belt, and i still heard it....
the only thing different about the idle is if you go from a drive gear to neutral or park the tach moves up and down for second like 500-1000 rpm, then smooths out.
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