Geo Metro Won't Shift, Engine Moves

1997 GMC
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PALMIDA
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  • 1 POST
I have a 1995 Geo Metro Ls automatic transmission three cylinder. 120,000 miles or so. Every once in a while the car won't shift over 15 miles an hour the engine reves like I have it on park and I'm pressing the gas and every time I put the car in reverse the motor moves front, I put it in drive it moves back. Is that suppose to happen? I've checked my oil, water. It doesn't get hot. and when it acts up I let go of the gas and the car will start shifting jerking up and back doing it's own thing. I could here the engine. What about sensors? What about bubbles in the oil?
Please help
Susie from 92054 : :( [/img]
Mar 16, 2006 at 9:18 AM
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PEPPERMRJ
  • ✓Experienced Mechanic
  • 1,158 POSTS
If the engine is moving around that would indicate the motor mounts need replaced. That might solve some other problems also.
Has the transmission ever been serviced? New fluid and filter might help the shifting issues.

Good luck and let us know. :)

Try reposting in the GM section of the forum for more advice.
Mar 17, 2006 at 12:39 PM
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JPAM
  • ✓Experienced Mechanic
  • 307 POSTS
bump** moved to GM forum
Mar 17, 2006 at 5:27 PM
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Suggested Repair

Replace the motor mounts, since the engine moving forward in reverse and backward in drive indicates worn mounts. Service the automatic transmission with new fluid and a filter, which may also help the intermittent shifting problem.

Conversation Summary

The owner of a Geo Metro automatic reports that it sometimes will not shift above about 15 mph and the engine revs as if it is in park. The engine also moves forward in reverse and backward in drive. Fluid levels were checked and it does not overheat. An expert said the engine movement points to worn motor mounts that should be replaced, and that new transmission fluid and a filter may help the shifting issue.

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