Transmission...pending death? - 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 10-28-2006, 01:44 AM   #1
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Default Transmission...pending death?

Its DROPPING into second gear now under light throttle, fearing the worst...
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Old 10-28-2006, 01:51 AM   #2
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On what car? Its probably youre pressure plate. but under what rpm does it happen? What are other symptoms?
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Old 10-28-2006, 02:07 AM   #3
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Oh boy.... You and trannys...

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Old 10-28-2006, 04:19 AM   #4
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I was driving it tonight, tried to make a movie in time..i was pushing it...
We decided we were too late for the movie, so we went back to my place, about 1/4 way home second gear was like bang, then third gear was shifting with a bang.
It did this badly on the way home, no codes at all, no SES
I get home, we watch the movie, two hours later we leave, car is cold now, still doing the same thing, second not as bad, third was worse
Now it has smoothed out a bit, WOT, it shifts pretty good still...second was taking longer to engage under light throttle on the way home however.
Checked my fluid, its fresh and bright red.
I set my park brake, put the car in gear with the hood open, i can hear the trany making a different noise now, like low deep growl, audible over the engine, but not to bad.

When we initally got to my house at the beginning of the night, we slow down to pull into my driveway, she even noticed that it was making a growling noise as i was idling into the driveway, it didnt do it a few mins ago though...

I have no clue guys?

Tomorrow I am going to see If I can get it hooked up to a scan tool and looked at

PS. Boosty, remember that clunk my car was doing at the track and or when u tried to break the tires loose, yeah my trany mounts are 100% in tact....slipping maybe under load?

Everyone must understand this transmission is failing because of me and my driving style, it was never drove hard before at all. I have killed this one, for sure, now, I pay.
Stage 2 ?
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Old 10-28-2006, 10:48 AM   #5
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Did you check your vacuum modulator?
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Old 10-28-2006, 01:28 PM   #6
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He doesn't have a vacuum modulator. It'* a 4T65, not a 4T60.
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Old 10-28-2006, 01:33 PM   #7
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This doesn't sound good at all :(
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Old 10-28-2006, 02:15 PM   #8
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Quote:
Originally Posted by willwren
He doesn't have a vacuum modulator. It'* a 4T65, not a 4T60.
Don't I feel like an ***? Sorry.
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Old 10-28-2006, 03:55 PM   #9
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I just took it to work, we have a retired Auto trany guy working today, he scanned it, no codes stored, he said, that isnt good, cause it means something mechanical.
As for it shifting hard last night and not now, something metalic could of been bunging up a valve in the trans, which, isnt good either, metal shouldnt be floating in the trany!
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Old 10-28-2006, 04:21 PM   #10
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Rebuild Rebuild Rebuild

cough 3000 rpm stall cough 3.29 ratio cough
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