'95 Bonne TCC issues - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 08-11-2010, 01:14 PM   #11
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Ha, ha... somehow I got throttle out of that... seemed odd O.o

So it seems I need to drop my tranny? I've replaced a couple transmissions, but never torn one apart. How involved are we talking?

If the valve body IS wore, are we talking replacement? Just the body or the whole tranny?

What should my next action be? Would I be better off taking it down to my transmission guy and having him check it out?

Sorry for all the questions!

Thanks!
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Old 08-11-2010, 01:49 PM   #12
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Before you do anything, have a professional assess the situation.
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Old 08-11-2010, 01:55 PM   #13
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If you do end up dropping and taking this transmission apart, remove and inspect the parking pawl rod. Not a job you want to have to do again later.
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Old 08-18-2010, 11:59 AM   #14
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Ok, had my transmission guy take a look this morning. He says the TCC is working fine, just like it'* supposed to. So, I need some clarification.

I'm sure I remember reading somewhere here that when your TCC engages, your RPM'* at 55 MPH would be around 1.5k. Mine sit at more like 2k, and my mech says that'* what it'* supposed to be. So which is correct?

This guy has always done good work for me before, is he right? Not sure what to think here, at a bit of a loss.

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Old 08-18-2010, 12:35 PM   #15
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It will depend on your gear ratio. 1.5k to 2k is right depending on if you have 2.93 or 3.29

Try this, get up to speed, 55 mph. Then hold your foot on the gas and then press the brake. If your RPMs don't go up about 500 RPM, the TC is not locking.
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