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2000-2005 Discuss your 2000-2005 Bonneville SE, SLE, and SSEi Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 01-13-2010, 12:40 PM   #11
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" so if they weigh in here and say my comments are full of the stuff grass turns into when it comes out the other end of the bull, listen to them, not me."


Man if i knew how to do it, this would be my new siggy.LOLOL
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Old 01-13-2010, 04:03 PM   #12
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The EPC solenoid IS a MAJOR problem with the 4T65-E transmisson and not just a symptom.
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Old 01-14-2010, 09:07 PM   #13
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i want a shift kit
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Old 05-30-2010, 12:10 AM   #14
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Hey guys. I have the same problem with harsh shifts in my 2000 Bonne. It has about 140k and just started banging into each gear, 1-4. It even seems to jerk when it goes into lock-up. Another thing I also noticed was, when I am going down the road and shift from drive to neutral there is a harsh bang. Shouldn't it just free wheel at that point?
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Old 05-30-2010, 08:34 AM   #15
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Scan the system for codes. It may have a P1811, which will not turn the engine light on.
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Old 06-02-2010, 11:46 PM   #16
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Default hard shifts

hi, i had this same problem with my 01 grand prix gt at around 30,000 miles. i know that this is bonneville discussion but it turned out to be a TCC located under the side pan on the transmission. the dealership, under warranty, lowered the engine cradle and removed the side pan and replaced the TCC. thank you warranty. see ya
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