Question about 1993 Oldsmobile Cutlass Supreme

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Transmission problem.. No reverse, but all forward gears work. I wanted to replace the ATP Module, but I can not locate it. I have a T transmission in my 93 Old Cutlass Supreme S.

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  • Frankiecl Oct 02, 2008

    Actually , I have a 1993 2-Door Cutlass Supreme and just yesterday the overdrive stopped working. I shifted into 3rd gear and then back into OD and there was no change in RPM, so I think that OD is just burnt. No check engine light.

    All other gears are operational at this time.


  • Anonymous Feb 01, 2009

    Went out to my car to go home and bingo,no reverse! Its 93 pontiac Grand Prix

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1 Answer

The transmissions in these cars (4T60E) were NIGHTMARES!!!!!! Do yourself a favor to avoid continuous problems. Replace it with a trusted transmission dealer> I can't say who not to take it to but it rymes with slamco (haha)
other problems that will occur, even if you replace the ATP
1. in winter time when you shift to drive it hesitates or feels like it is only partially in gear (fluid will be full when you check it)
2. car shudders in overdrive.
3. car makes a destinct "klunking" noise while in park at a slightly higher RPM. almost sounds like something is loose in the motor.
so like i said get it replaced, I have been though 3 of these since my car was new the car has 263K on it now and i am about to replace it again (argh). The only reason I am is because it is a convertible in nearly mint shape,,
OH by the way "Trans X" is a GREAT product to prolong the replacement adventure. Local auto parts stores have it by that name.

Posted on Jul 22, 2008

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I think this is your problem:

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