transmission

1989 OLDSMOBILE TORONADO
120,000 MILES • 6 CYL • FWD • AUTOMATIC
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GARRYBOSLEY
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  • 3 POSTS
My transmission shifts in and out of overdrive when i,m on the highway. I have asked a couple of different techs about this and get a couple of different possibilities .The trans. has plenty of fluid and it looks clean.What do you think? thanks
May 4, 2011 at 1:37 AM
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HMAC300
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  • 48,601 POSTS
a switch may b e bad or you are goin gthe speed that the switch will make it do this. Meaning yo may not be gong fast enough and the switch kinda can't make it's mind up. there are other things as well that can cause this as well.
Jun 7, 2011 at 6:45 PM