I'm having Issues with my GMC Jimmy 2001 SLE.?

So, my Jimmy isn't new, and she has about 189,000 miles on her - but she was gift from my mom and I needed a car so hey, I was complaining! Well, that was until recently. My transmission is slipping. I burn through transmission fluid and my Jimmy often won't shift itself into the proper gear unless I let up on the gas and then suddenly push down.

At times, I can't get her to go out of second gear, and she often won't move more then 20 miles an hour. I was told by one person that it is more then likely my transmission senor going, and I'm willing to replace simply that. I just want to make sure that is it.

I know I need a new heating coil and my back brakes replaced, but I have all those parts and can fix that myself (I'm training now to be an auto-tech). My two questions are: 1st- Is it just my transmission senor or has my transmission gone? 2nd - Is this car even worth putting more money into? I just replaced the battery, starter and alternator. I'm not sure if I should keep pouring money into such an old broken up mess.

Thank you kindly for your time!
-
Creete

wes Hunt2013-02-05T11:14:46Z

Favorite Answer

My blazer had the same problem and it was the transmission control module. But theres alot of things it could be in there but I would start with the electronics. Im pretty sure you could hook it up and see if the tranny throws a code.

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bandit_602013-02-05T16:53:35Z

well that could be one thing or half dozen of other things ! first if it,s leaking then get the leak stopped first because it can,t work right with it leaking or the transmission filter clogged up ! a 2001 really is not that old but like any vehicle you have to keep at them all the time ! if you don,t want to change transmissions then why not change the fluid and filter and get a good conditioner for it ! i always keep ( trans-medic ) or BG transmission conditioner on hand !

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