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1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 09-06-2005, 07:02 PM   #11
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Is it losing vacuum below 1000 rpm? Have you tested for leaks?
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Old 09-06-2005, 07:03 PM   #12
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I have tested what seems like every tube, sensor etc. Ever since the harmonic balancer, its been problem after problem, but thats expected on old cars. Oh well.
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Old 09-06-2005, 07:28 PM   #13
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where you at?
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Old 09-06-2005, 08:29 PM   #14
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Maine
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Old 09-06-2005, 10:29 PM   #15
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what year/trim level are we talking about here?
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Old 09-07-2005, 12:39 AM   #16
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1990 SE

Im going to have the problem looked into, and will probably retire it to a family member if anyone wants it.
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Old 09-07-2005, 02:12 AM   #17
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Wish I was closer too...

On the other hand though, I hope you reconsider and try to fix it. It will almost certainly be cheaper to fix this than to buy something else (well, depends on what you buy, I suppose).
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Old 09-07-2005, 01:03 PM   #18
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Have you tried unplugging the Tranny wires, to disable TCC? maybe your lockup is stuck, and this would cause the engine to stall when you slow down...
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Old 09-07-2005, 02:01 PM   #19
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Quote:
Originally Posted by rm
Have you tried unplugging the Tranny wires, to disable TCC? maybe your lockup is stuck, and this would cause the engine to stall when you slow down...
There is another thought... This would be a good test... Not sure if it will solve anything, but its worth a shot...

I would not reccomend doing this for a long period of time tho... These transmissions will overheat severely if they never hit TCC lockup

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Old 09-07-2005, 02:58 PM   #20
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Quote:
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Quote:
Originally Posted by rm
Have you tried unplugging the Tranny wires, to disable TCC? maybe your lockup is stuck, and this would cause the engine to stall when you slow down...
There is another thought... This would be a good test... Not sure if it will solve anything, but its worth a shot...

I would not reccomend doing this for a long period of time tho... These transmissions will overheat severely if they never hit TCC lockup
As well it would increase line pressure..but is ok for a test...just not a long term fix.
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