# 2006 Jeep Grand Cherokee - Trans temp

**URL:** <https://community.cartalk.com/t/2006-jeep-grand-cherokee-trans-temp/149286>\
**Category:** Maintenance/Repairs\
**Tags:** jeep\
**Created:** [September 22, 2019, 8:05pm UTC](https://community.cartalk.com/t/2006-jeep-grand-cherokee-trans-temp/149286 "2019-09-22T20:05:28Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![reggieyork\_sr](https://avatars.discourse-cdn.com/v4/letter/r/ecb155/32.png) [@reggieyork\_sr](https://community.cartalk.com/u/reggieyork_sr)\
**Post date:** [September 22, 2019, 8:05pm UTC](https://community.cartalk.com/t/2006-jeep-grand-cherokee-trans-temp/149286/1 "2019-09-22T20:05:28Z")

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same problem with transmission over temp light coming on I’ m going to flush the radiator and change the thermostat and see if that help

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**Author:** ![Purebred](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/purebred/32/46796_2.png) [@Purebred](https://community.cartalk.com/u/Purebred)\
**Post date:** [September 22, 2019, 9:10pm UTC](https://community.cartalk.com/t/2006-jeep-grand-cherokee-trans-temp/149286/2 "2019-09-22T21:10:03Z")

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Good luck, but I suspect you need a new radiator to provide adequate cooling for your transmission.  
Plus you must service your transmission fluid and filter.

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**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\
**Post date:** [September 23, 2019, 2:08am UTC](https://community.cartalk.com/t/2006-jeep-grand-cherokee-trans-temp/149286/3 "2019-09-23T02:08:57Z")

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Here’s a chart of transmission life relative to transmission temperature.

![](https://global.discourse-cdn.com/cartalk/original/3X/7/b/7b818c5e1817e64bb6c96d39d9d4ec0ba2ccb964.jpeg)

Tester