Question about 1990 Ford F350

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F-350 chassis - Motor Home

I just need to know what type of Transmission Fluid I need to put in my Motor Home. It's built on a Ford F-350 Chassis. I don't havenany of the manuals and I'm stuck out on the road. I think It's Type F but I'm not sure. Don't want to put the wrong fluid in it.

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Ford reccommends Type F,but in my opinion,Type F or Mercon varnishes quickly.I've been rebuilding Ford's auto's for 19 years,and have found Dexron 2 or 3 works just dandy.Mixing the two fluids won't harm anything.The biggest thing is DO NOT use any kind of trans stop leak which contains brake fluid.

Posted on Jul 08, 2008


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