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Old 04-26-2019, 01:03 PM   #4
Keith Seymore
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Join Date: May 2009
Location: Motor City
Posts: 9,296
Re: Dextron or 80/90 Gear Oil in MY6/A833 4SPD?

Quote:
Originally Posted by mongocanfly View Post
I found this on another forum....

Straight from a Chevrolet Flint Assembly Line supervisor, 1979-1986, it uses ATF!!

Owners GM manual info:
4-Speed Overdrive (RPO MY6) Dexron II Automatic Transmission fluid GM Part No. 1051855
Guess who they were referring to!

Yes - ATF.

K
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Chevrolet Flint Assembly
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