Idiot p.o put 90w oil in trans | Ford Escort Owners Association (FEOA)
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Idiot p.o put 90w oil in trans

Discussion in 'Drivetrains' started by garyd, Mar 18, 2020.

  1. garyd

    garyd FEOA Member

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    It's a 93 1.9 5 speed.
    Would this cause any damage to trans
  2. Joey_Twowagons

    Joey_Twowagons FEOA Member

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    Unlikely. Just drain it and replace with ATF.
    I had to add fluid to my car on a road trip last summer, and the parts store listing specified gear oil.
    However, I knew it should be ATF and bought that instead.

    Many years ago I checked the transmission in a new to me 1963 Valiant and found ATF in it. I also thought some knucklehead screwed up, but it turned out that ATF was the correct lube in that three speed, non-synchro first gear transmission.
    I took it apart later just because that is what I did with everything I had when I was young, and found it was made pretty much exactly like all the other three speeds that used gear oil.

    So I conclude that transmissions are pretty forgiving about what lube is in them.
  3. garyd

    garyd FEOA Member

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    Ok good.
    I was worried.
    I did drain it.
    Drain plug was really tight but it came out with a breakerbar
    zzyzzx and denisond3 like this.
  4. garyd

    garyd FEOA Member

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    Got my new speed sensor. I found if you sand the part that slides in the case down a bit and put antisieze on it the come right out
    denisond3 and zzyzzx like this.
  5. zzyzzx

    zzyzzx FEOA Member

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    Let us know if it works any different.

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