C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

transmission problems

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Old Apr 20, 2008 | 07:55 PM
  #1  
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Default transmission problems

where here it is new opti installed on the car and the engine runs great. by now i have a new problem. transsmion is bad and the car idles high car is idling at about 1100 rpm. and when it shifts past second it slips and then shifts back into second so i guess this is a bad transmission
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Old Apr 21, 2008 | 09:33 AM
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Same here ! Getting convertor rattling noises. Called local trans guys and they suspect torque convertor is going bad.
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Old Apr 21, 2008 | 01:50 PM
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man i hate this i am looking at 2000.00 for a transmission
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Old Apr 21, 2008 | 05:51 PM
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Originally Posted by byedan
man i hate this i am looking at 2000.00 for a transmission
Ouch.
Hopefully, that figure includes removal and replacement, along with a quality remanned converter, a few h/d upgrades,a cooler flush, and a warrantee.
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Old Apr 21, 2008 | 07:43 PM
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a one year warranty pull and install and a flush. and i am getting this price if i go with jasper or supply the parts and converter to a local rebuild shop it is all the same price
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Old Apr 21, 2008 | 08:25 PM
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Dan, check your messages on the SVers site.
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Old Apr 21, 2008 | 08:44 PM
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i did and thanks andy i may call him
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Old Apr 21, 2008 | 08:50 PM
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First off I ain't no expert. I had a similar problem on my 87 after some seemingly unrelated work was done.

The mechanic noticed there was too much too much slack in the down shift cable so he adjusted (by the throttle body) about (less than) a 1/4 inch. Man the trans was not happy!!!

It would stick in low until about 3000 rpm then slam into drive. It didn't like staying in drive at all. I took it back to him , he was very surprised after the road test. He set the cable clamp back to where it was and presto just like new.

Go Fiqure?! the fella that did the adjustment is a Corvette mechanis and the adjustment of the cable was within specs but the car didn't like it!
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Old Apr 21, 2008 | 09:16 PM
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phat87, Dan has the 4l60E, no TV cable, it is controlled by the PCM. Dan, did you check your ECT sensor?
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Old Apr 21, 2008 | 09:53 PM
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yep ect is good. the car had good idle before the transproblem. go figure. one problem at a time right
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Old Apr 22, 2008 | 05:55 AM
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Man, whats going on here? My trans just crapped out the other day to.
I did however find a guy that will R&R and rebuild for 550.00, but I have to wait until next month on the 24th. This guy has been building transmission for almost 20 years at the same location and is always booked at least 1 month in advance. At that price I can afford to buy a Pete Kane converter as well.

Last edited by GS4-LT1; Apr 22, 2008 at 04:23 PM.
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Old Apr 22, 2008 | 06:36 AM
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Originally Posted by GS4-LT1
Man, whats going on here? My trans just crapped out the other day to.
I did however find a guy that will R&R and rebuild for 550.00, but I have to wait until next month on the 24th. This guy has been building transmission for almost 20 years at the same location and is always booked at least 1 month in advance. At that price I can afford to by a Pete Kane converter as well.

That price is a bit low for R+R as well. If you know people that have used him and are satisfied you have scored a deal
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