# Do I really need to change transmission filter/fluid? and for how much $$$$?

**URL:** <https://community.cartalk.com/t/do-i-really-need-to-change-transmission-filter-fluid-and-for-how-much/57819>\
**Category:** Maintenance/Repairs\
**Tags:** transmissions, fluids, filters, toyota, repair, highlander\
**Created:** [November 21, 2010, 2:25pm UTC](https://community.cartalk.com/t/do-i-really-need-to-change-transmission-filter-fluid-and-for-how-much/57819 "2010-11-21T14:25:26Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![PvtPublic](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/pvtpublic/32/13089_2.png) [@PvtPublic](https://community.cartalk.com/u/PvtPublic)\
**Post date:** [November 21, 2010, 2:51pm UTC](https://community.cartalk.com/t/do-i-really-need-to-change-transmission-filter-fluid-and-for-how-much/57819/3 "2010-11-21T14:51:30Z")

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Generally no, you don’t need a flush. Yes you should change the transmission fluid and filter every 30-50k. Even if your manual states you can go longer it never hurts to change it more often than less often.

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