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04-15-2009, 07:48 AM #1
Hoping its not my transmission need some insight
About 5 days ago my car started to take a dump on me and wouldn't shift into 3rd and 4th gear. Turns out my cats had collapsed and needed to be replaced. Got that done a few days back and now things are even stranger.
At this point in time my car will only shift into 3rd and 4th gear if I do it manually (car is a 98 z28 automatic with 150,000 miles on it). Some times it will stay in gear and some times it won't. The transmission is fairly new with 30,000 miles on it and I do not dog my car. Right now 80% of the time I have to drive around doing 40 miles an hour staying in 2nd gear.
Any help would be appreciated.
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04-15-2009, 07:51 AM #2
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Stock- 2002 Camaro
are you having any other problems? or is it just the tranny
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04-15-2009, 07:54 AM #3
I put enough miles on it to reset the computer and no check engine light has come on. I really don't want it to be the tranny but right now that is all that seems to be the problem. I have just never heard of a tranny being able to shift into and out of gears like this and it is broken.
Could it by any chance be the shifting cellinoid? (not sure how to spell that one)
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04-15-2009, 08:21 AM #4
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Stock- 2002 Camaro
im not sure on the cellinoid. But i have heard of people having problems with their alternators and causing their trannys to act up. did this just start or is it something that has gotten worse?
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04-15-2009, 08:36 AM #5
It all started 5 days ago when my cats collapsed and needed to be replaced. Problem is that after they got replaced the problem on kind of fixed. Now I can get to 3rd and 4th gear but only some of the time and its never guaranteed. The alternator isn't very old either as I just replaced it, and an entire wire harness running from it to the battery because they were old, about 9 months ago.
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04-15-2009, 08:43 AM #6
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Stock- 2002 Camaro
how is the engine running? have you checked out the 02 sensors? any thing else that has changed?
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04-15-2009, 08:46 AM #7
Engine is running fine, I can still take it to 80 mph in second gear with no problems or hicups what so ever. Other than the whole situation that I have explained nothing else seems to be different or changed. I am baffled by the situation in all.
Where would the 02 sensors be and would that have any effect on something like this?
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04-15-2009, 08:53 AM #8
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04-15-2009, 09:26 AM #9
Haven't had the tranny serviced since I put it in. Fluid level is perfect and the fluid looks fine (not burned up or any discoloration).
Originally Posted by Smittro
Thanks for the input so far!
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04-15-2009, 10:05 AM #10
I appreciate all the advice you have given me, unfortunately all of that stuff checks out with no problems .
I think the next step is to take it in and get the tranny serviced and see what the mechanic tells me. I sure hope I don't need a new tranny after only having put 35,000 miles on this new one.
Thanks all
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04-15-2009, 10:23 AM #11
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04-15-2009, 12:06 PM #12
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blacker than wesleysnipes- 98' trans am
how do you know your tranny fluid is perfect ?? if you are off just by as little as 1/4 of a quart on both sides then your tranny will get f'ed real bad real quick.
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04-16-2009, 03:55 AM #13
Check the mount for the shift cable on the driver side of the tranny. It's held in place with two pan bolts. Make sure this wasn't bent or damaged by whoever replaced your cats. Also, the factory shift cable can be set in two different positions, One position is for a car that was equipped with the 3.23 gear (GU5) and the other with 2.73's. I don't know which one you have but you can easily tell by looking at your shifter. If the shifter has a gear selection of 1-2-3-D, then you have 3.23's, the "rear axle performance option (GU5 code). If your gear selector has 2-3-D, the car has the standard 2.73's. This is if your car is still stock geared and hasn't been changed. If that cable has been set wrong the the tranny will not properly respond to what position your shifter is in.
I would start by checking that first.Last edited by SINISTER-TA; 04-16-2009 at 06:05 AM.
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04-16-2009, 04:49 AM #14
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04-16-2009, 04:49 AM #15
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04-16-2009, 05:04 AM #16
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04-16-2009, 05:05 AM #17
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04-16-2009, 05:10 AM #18
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04-16-2009, 05:11 AM #19
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04-16-2009, 05:22 AM #20
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