I have a 92 Geo Storm AT. The transmission is supposed to be an F3A model. The Chevy Spectrum (among others) has the same F3A model transmission. Can I put a used F3A from a 88 Chevy Spectrum in my Geo Storm? I cannot easily find a used (with any quality) Geo Storm transmission, but I can get one from a Spectrum asap. Everything I see says they are exactly the same - I just want to be sure. Additional Details - The service guide for the Spectrum and Storm are the same and discuss the transmission interchangeably. (Chiltons). Also, I have been told that the transmission is made by the same company for both cars. It just seems to make sense that an F3A is the same for any F3A application. Is the bolt pattern different on where the engine mates to the transmission then? And the rebuild kit is the same for any F3A transmission. This is just confusing. Thanks
1988 to a 1992 in the transmission world is a HUGE difference,as this is right at the time all manufacturers were changing from manual controls on transmissions to totally electronic controls....I am just guessing,but i would say NO,it won't work....Example.....1991 was the FIRST year for Ford's Taurus transmission being totally,completely,electronically controlled.So a 1990 or back won't work...and a 92 and up won't work....Gm...about the same thing....Chrysler....etc.Have yours rebuilt?
Both cars were made by Isuzu, despite what bob a says, and they seem to be the same model, just re-badged. I can't guarantee it, but it seems like if both cars had the same motor, and the model # of the trans is the same, it should work. Try to look at them side by side real carefully if you can, to check for any differences that may have been made for different model years.
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no dip stick transmission
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