what type of transmission oil should I use for my 91 f150 5.8l 4 speed automatic?
7 Answers
DEXTRON III OR MERCRON V
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I think it says on the dipstick.
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It does Bob. I came up with Mercon V, NOT type F
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hi guys you are right it says to use the mercron. can i also use the dex merc?
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http://www.oreillyauto.com/site/c/search/Automatic+Transmission+Fluid+-+Vehicle+Specific/04196/C0207.oap?year=1991&make=Ford&model=F-150&vi=5005966 ...says you can
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Type F hasn't been used recently. They used to use it in some of the older Ford power steering applications.
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