Transmission stuck in reverse

1989 DODGE VAN
125,000 MILES • 5.2L • V8 • 2WD • AUTOMATIC
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RMARCE
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Transmission locked in reverse and stalls engine.
Feb 23, 2020 at 2:13 PM
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ASEMASTER6371
  • ASE Certified Mechanic
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  • ASE Certified Mechanic
Good afternoon,

If it is locked in reverse, that is an internal failure.

Most likely you will need the transmission to be removed and inspected. It most likely will result in replacement with either a rebuilt unit or a used unit.

Roy
Feb 23, 2020 at 2:52 PM
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CARADIODOC
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Hi guys. I thought this too, but wouldn't the torque converter still do its thing and let the engine idle? The torque converter would have to be locked up to snub the engine.
Feb 23, 2020 at 2:57 PM
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RMARCE
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The van runs and shifts when in drive.
When you select reverse it attempts to back up then it locks up and stalls the engine.
Could it be the torque converter locking.
Feb 23, 2020 at 4:09 PM
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ASEMASTER6371
  • ASE Certified Mechanic
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  • ASE Certified Mechanic
It could be but if the converter was bad, it would also do it in the drive.

I still think you have something internal locking up in reverse. The forward clutch pack may be the issue.

Roy
Feb 23, 2020 at 4:39 PM
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RMARCE
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Is there a way to remove the power to the locking converter without going into the transmission?
Feb 23, 2020 at 4:52 PM
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ASEMASTER6371
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  • ASE Certified Mechanic
Most likely the issue is not the converter but the seized clutches. Forward and reverse are trying to work together and it will not work.

No, there is not. Besides, I doubt it is the converter.

Roy
Feb 23, 2020 at 5:49 PM
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RMARCE
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Thanks.
Feb 24, 2020 at 4:29 AM
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ASEMASTER6371
  • ASE Certified Mechanic
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  • ASE Certified Mechanic
You are welcome.

Always glad to help.

Roy
Feb 24, 2020 at 4:35 AM
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