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2004 Corolla Transmission Fluid
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* September 06, 2011, 11:34:33 PM
My 2004 Corolla has 90K on it and I have never changed the transmission fluid. There is no requirement (that I have found) to change it in the owners manual just to inspect it. Anyone have an opinion one way or the other on whether to change it or not?


* September 19, 2011, 02:08:33 PM
They do not put in a recommended change interval as it will be greatly different from driver to driver.  Some might benefit from a transaxle drain and refill every 30K miles, some might go quite a bit longer.  With the clutch packs they have now - hard to just go by \"color\".  Odor is a good indicator, but subject to interpretation.  

Personally, I\'d stick with a shorter drain interval on the transaxle - no more than 30K miles on the Toyota Type T-IV ATF.  I follow up with a pan drop every other drain and refill.  Filter screen changed depending on what I find in the bottom of the pan.

2002 Corolla S, Silverstream, 1.8L 1ZZ-FE (VVT-i)
2003 Matrix XRS, Cosmic Blue, 1.8L 2ZZ-GE (VVTL-i) - RIP
2009 Matrix XRS, Blue Streak, 2.4L 2AZ-FE (VVT-i)


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