Quote:
Originally Posted by oldsinner111
I had a 1982 mazda truck,with real transmission,that used 80-90 gear oil.They put dexron in mine.1 week later input bearing fried.I replaced it my self as they went out of business,to many customers drove off with no oil.
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ATF won't damage this transmission. I ran ATF in my 84 Bronco 2 for 50,000 miles + until the body finally rusted away. The early Bronco 2 uses the same Toyo Kogo transmission as the Mazda.
Many manual trans went to ATF as gear oil just causes drag / loss of fuel economy.
The other question is, why did you have the transmission oil changed?