Tranny Problems UPDATED!!!! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-21-2004, 03:28 PM   #1
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Default Tranny Problems UPDATED!!!!

Alright, I am experiencing some intermitten tranny problems. After long periods of deceleration i.e. going down a longgg hill and coming to a stop, the car seems to shift into neutral. I did not notice it until I start to give it gas again. It just revs, then slams into gear as if I was neutral slamming it. Can anyone help???? Please!!!
Also, the other day I got in and put the car into drive and it just revved, wouldn't move. So I put it into neutral and then it began to go forward like it was in drive. This terrified me so I put it back into park, and retried putting it into drive as of when it acted as usual and would let me move. Do you think these two are related?
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Old 11-21-2004, 03:30 PM   #2
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First of all, no more 125 runs until you get this fixed. If your trans lets go at that speed, you can kiss your arse goodbye. Not just the car.

What does your fluid look like? How many miles on the trans? How long since a flush/filter? Have you checked for codes?
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Old 11-21-2004, 03:32 PM   #3
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Goihng down a hill like that the TC just unlocks, and let'* the tranny run in 4th. Shouldn't go into neutral, and sure as hell shouldn't slam back into gear. Should just rev up to the RPM'* for the road speed for a few secs. then the TC should lock back in.

For the 2nd problem, kinda an odd one, but maybe the tranny switch box on the top of the trans is goin bad?
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Old 11-21-2004, 05:11 PM   #4
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Alright, willwren I promise no more runs until I get this fixed. I am taking it on monday to a friend of the families who is very good with transmissions, problem is he doesn't speak very good english!

Also, this wasn't while I was moving that it would slam back into gear, it was after I was stopped and began to start again.
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Old 11-21-2004, 05:14 PM   #5
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Yes, I have checked for codes. As far as I know it is the stock tranny, so 115k on that. I do believe it has been flushed, but not recently. The fluid still is very clean though. I did not find any codes last I checked, but if I have time today after I wash it I will do another check.
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Old 11-25-2004, 12:34 AM   #6
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TERRIBLE NEWS!!!! Alright, so I took it in to a place here called Quality Transmissions. The guy does not speak good english, but I got out that he thinks it needs to be rebuilt. I have taken many cars to him and he has been VERY honest with me in every other circumstance. He has saved me lots of money because before the dealer told me I needed a new tranny and he fixed the problem for 90 dollars(different car), simple actuator or something. Anyhow, He flushed the fluids and it is a little smoother. Yet, when I come to a stop from a long time of deceleration, it will just rev for over a second and then go into gear reallly hard.

So he says it will cost 1600 dollars with a two year warranty. 1000 with a one year.

My question is, is this project doable without too much work? Do I have to take the whole engine out because of the subframe? Also, couldn't I just use a used tranny 4t60E from any bonneville in the junkyard. They have one with like 45k on it. What do you all think?
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Old 11-25-2004, 01:09 AM   #7
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A used transmission will be cheaper, but if you don't know how long it sat there unused, it could be bad. And they won't carry a warrantee. Your transmission guy quoted you a fair price.
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Old 11-25-2004, 11:44 PM   #8
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I'd buy a new transmission right now for $1000. That is dirt cheap, especially with a warrenty.
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