CVT transmission oil overheat light comes on - Page 2 - JeepForum.com
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post #16 of 21 Old 06-07-2016, 11:13 AM
aroundincircles
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1989 XJ Cherokee 
 
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Have you changed your fluid? if not, that is step #1. Change the fluid first, because when it starts to go bad or gets low, you get overheating, and you get a damaged transmission. a cooler won't fix that. Change your fluid, and see if the problem is fixed, if not. then look at a cooler.


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post #17 of 21 Old 06-15-2016, 08:07 AM
CB57997
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Same issue (catalytic converters)?

I've been having the same issue recently 07 Compass 204k miles. It will consistently on 70ish or hotter days after about 70 miles overheat. I took it to the dealer ship for maintenance and they are telling me that I need to replace both catalytic converters... Something about when they go bad it creates extra heat/pressure on the transmission.


Holding off to look into that but wanted others opinions. I am having them do the fluid change and all though no matter what.
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post #18 of 21 Old 06-16-2016, 09:35 AM
aroundincircles
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Don't hold off if your cats are plugged! that is really really bad for your engine, and will cause much more expensive damage in the long run (ask me how I know). I would suggest not replacing them at the dealer, and go to a muffler shop and get it done, at probably half the cost.

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post #19 of 21 Old 07-13-2016, 02:12 PM
Maureen11
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Same issue on a 2010 patriot

My car finally got to the point of it happening on most trips regardless of speed if it was vaguely warm out so I through a hissy fit at the dealership and they are replacing the cooling module in my transmission (~$600), though they tell me maybe it will be my whole transmission (~$6000), so obviously not worth it. Has anyone made progress on this? Mine was an intermittent issue for years that has finally escalated.
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post #20 of 21 Old 07-14-2016, 01:31 PM
aroundincircles
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Quote:
Originally Posted by Maureen11 View Post
My car finally got to the point of it happening on most trips regardless of speed if it was vaguely warm out so I through a hissy fit at the dealership and they are replacing the cooling module in my transmission (~$600), though they tell me maybe it will be my whole transmission (~$6000), so obviously not worth it. Has anyone made progress on this? Mine was an intermittent issue for years that has finally escalated.

Did you ever, at any point after the first overheat change your fluid?

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post #21 of 21 Old 10-17-2018, 09:07 AM
Cormac417
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In this case: 2010 Compass
Talked to a dealer mechanic about CVT overheating.
He said to drop the pan, change the filter, replace the oil with six quarts of that $40-a-quart oil.
Said I could do it in my garage no problem.
We'll see... I'll post the outcome.
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compass , cvt , fluid level , mk , overheating , patriot

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