Urgent trans issue! - Page 3 - 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 01-13-2011, 02:17 PM   #21
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If you aren't holding it too high, there'* no harm in manually shifting. Most don't understand how to shift and keep rpm reasonable...that'* when it'* bad.

Dan.. you got me thinking on the accumulator. There is a 1-2 and 2-3. If he'* not getting second, then maybe it'* the 1-2.
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Old 01-13-2011, 02:21 PM   #22
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I took a video with me semi-manual shifting and showing the rpms and you should be able to hear the motor, but I dont know how to upload videos. Also I know nothing about trans' at this point so the 1-2 2-3 and accumulators i'm lost, I looked over the how to for the filter but thats as far as I know trans wise.
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Old 01-13-2011, 02:24 PM   #23
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Possible. I was going over the service manual looking at the diagrams and tables. If a solenoid was bad he would loose 2 gears, not just one. The only thing I could see that would prevent 3rd, other then total clutch failure is loss of shift pressure, and that leaves the 2-3 piston. If it was stuck, the shift would be harsh, if the O ring is gone, then shift pressure would never go up.
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Old 01-13-2011, 02:24 PM   #24
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Search on Danthurs and how to put in a shift kit. While it'* for the 4T60, the basics of taking apart the accumulator should be pretty close. You'd be looking for a bad seal on the piston under the cover where it'* labeled 1-2. Kinda nice that they put 1-2 and 2-3 on the cover over the accumulator for that gear.
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Old 01-13-2011, 02:25 PM   #25
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You will need to upload the video to a place like photobuckt and then post the link here.

Go to techinfo/performance and look for installing a shift kit. That is where you will find the information about the accumulator.
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Old 01-13-2011, 02:26 PM   #26
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Quote:
Originally Posted by BillBoost37 View Post
Search on Danthurs and how to put in a shift kit. While it'* for the 4T60, the basics of taking apart the accumulator should be pretty close. You'd be looking for a bad seal on the piston under the cover where it'* labeled 1-2. Kinda nice that they put 1-2 and 2-3 on the cover over the accumulator for that gear.
Bill, there'* a write up about installing a shift kit in a 4t60 as well in techinfo/performance. Not the same as the 4t65 but still very close.
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Old 01-13-2011, 02:28 PM   #27
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I looked in 3800 performance.com and the shift kit they supply says its only for 4t65e and I only have 4t60
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Old 01-13-2011, 02:33 PM   #28
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Old 01-13-2011, 03:48 PM   #29
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Ok it will be about a week before i can afford everything, I will report back with what comes up when I get everything done.
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Old 01-13-2011, 03:53 PM   #30
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Be sure to inspect the O rings closely, If you see any damage, a split, a nick, anything, then it will need to be replaced. That O ring is the seal, and it needs to seal good or it wont work right.
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