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Old 09-13-2010, 08:26 PM   #1
timguyli
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89 electra park ave engine noise 3.8

Hi, My 89 park ave make a sound that sounds like a chain slapping against metal. I used a stethoscope and its coming from around the exhaust crossover by the tranny.. I was next to another buick electra and it was making the same noise.. Anyone have any idea whats going on?
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Old 09-14-2010, 02:50 PM   #2
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Re: 89 electra park ave engine noise 3.8

Try listening against the trans side cover.
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Old 09-14-2010, 04:13 PM   #3
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Re: 89 electra park ave engine noise 3.8

yeah thats it
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Old 09-14-2010, 07:31 PM   #4
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Re: 89 electra park ave engine noise 3.8

You have a worn drive chain and sprocket, ouy comes the unit.
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Old 09-15-2010, 08:54 PM   #5
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Re: 89 electra park ave engine noise 3.8

timing chain?
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Old 09-16-2010, 07:22 AM   #6
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Re: 89 electra park ave engine noise 3.8

Drive chain, in the trans final drive, the timing chain is in the engine frt. cover, different area you would be listening to, no?
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Old 09-16-2010, 06:57 PM   #7
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Re: 89 electra park ave engine noise 3.8

oh ok, I have zero experience with transmissions.. I have done timing chains before and such but I have yet to open a trans... It does slip a little from 1st to second..
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Old 09-16-2010, 07:19 PM   #8
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Re: 89 electra park ave engine noise 3.8

ok so what tranny should i be looking for at the u pull? Or is this an easy job to repair? What other cars used this transmission. Thanks for the help!
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Old 09-16-2010, 08:13 PM   #9
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Re: 89 electra park ave engine noise 3.8

You really cannot do this on your own without the the proper tools a way to support the engine, remove the ft suspension subframe and so on, any yard has interchange books that will tell what interchanges. You cannot pull the trans out in the yard, I assume they have these components shelved.
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Old 09-18-2010, 12:17 PM   #10
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Re: 89 electra park ave engine noise 3.8

Changing the chain is easy:



GETTING to the chain, on the other hand, is an all-day job and then some. I would not even attempt it on the vehicle, so plan on removing the transmission. That will include restraining the engine and dropping the front cradle, then removing the transmission.

FWIW, the last on I did I had the wrecking yard remove the core (for rebuild) while the car was in their yard. They do it all the time.
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Old 09-18-2010, 03:42 PM   #11
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Re: 89 electra park ave engine noise 3.8

Yikes, you and your pics again, nicely done, we certainly agree on the what is required here, but we really don't know if in fact this is his issue. Not a job for most dyer's.
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Old 09-18-2010, 07:50 PM   #12
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Re: 89 electra park ave engine noise 3.8

well not the damn car wont start.. cranks over but nothing.. getting gas and spark
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Old 09-19-2010, 09:32 AM   #13
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Re: 89 electra park ave engine noise 3.8

You went from a noise to no start? If spark and injector pulse, do a compression test.
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Old 09-19-2010, 05:33 PM   #14
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Re: 89 electra park ave engine noise 3.8

Perhaps it IS the other chain.
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Old 09-19-2010, 06:21 PM   #15
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Re: 89 electra park ave engine noise 3.8

nah I think the coil pack went again
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