# 2002 Mercury Mountaineer - OD/check transmission light

**URL:** <https://community.cartalk.com/t/2002-mercury-mountaineer-od-check-transmission-light/133156>\
**Category:** Maintenance/Repairs\
**Tags:** mercury, mountaineer\
**Created:** [January 23, 2019, 3:53am UTC](https://community.cartalk.com/t/2002-mercury-mountaineer-od-check-transmission-light/133156 "2019-01-23T03:53:36Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![BenjaminHeflin](https://avatars.discourse-cdn.com/v4/letter/b/a6a055/32.png) [@BenjaminHeflin](https://community.cartalk.com/u/BenjaminHeflin)\
**Post date:** [January 23, 2019, 3:53am UTC](https://community.cartalk.com/t/2002-mercury-mountaineer-od-check-transmission-light/133156/1 "2019-01-23T03:53:36Z")

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My o/d off light start flashing and then my check transmission comes on I change the filter and fluid and it dose the same thing what else could it be.

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**Author:** ![ledhed75](https://avatars.discourse-cdn.com/v4/letter/l/f6c823/32.png) [@ledhed75](https://community.cartalk.com/u/ledhed75)\
**Post date:** [January 23, 2019, 12:49pm UTC](https://community.cartalk.com/t/2002-mercury-mountaineer-od-check-transmission-light/133156/2 "2019-01-23T12:49:59Z")

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I see a visit to a transmission shop in your future.  
Sorry.

Good luck.