Standard Transmission

Old 01-04-03, 05:12 PM
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Standard Transmission

I have a 1989 Ford F-250 with a 5 spd transmission. I would like to know what type of fluid I should use in the tranny. Somebody told me to use ford automatic tranny fluid. Is this true, I thought
that automatic transmission fluid would be to thin. Can somebody please help me. Can I use a hypoid oil like they used in older transmissions.
Old 01-04-03, 07:35 PM
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Your truck should have a ZF transmission. These transmissions were designed to use ATF as a lubricant. 80W90 gear oil is not acceptable. It will cause hard shifting, especially when cold.

Alldata shows your trans. has a capacity of 6.8 pts Mercon ATF.

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