TRANSMISSION

1999 Lexus LS 400

Tiny

Fred Castellano

February, 21, 2011 AT 7:20 PM

I have a 1999 Lexus LS400. I bought it used and now has 145,000 miles. It doesn't appear that the transmission fluid has been changed. Firestone is advising me not to change it because the pressure in the transmission is too low. They say that by changing it, the transmission may not work or start to slip. Any comments?

FOUND 13674 RELATED QUESTIONS

Transmission Flare

92 ANSWERS
4 IMAGES

Transmission Problem

19 ANSWERS
21 IMAGES

1 Answer

Tiny

Jacobandnickolas

March, 9, 2011 AT 4:50 PM

If it is really dirty, the new detergent in the ATF will clean the dirt from the clutch plates. That "can" cause a slip. However, I have never seen it actually happen.

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