WHEN IN OVERDRIVE AT SPEEDS OF 5570 VEHICLE ...

1986 Buick Electra

Tiny

edwardhostetler

February, 2, 2013 AT 11:30 PM

When in overdrive at speeds of 55-70 vehicle shifts up and down rapidly(chugging like effect)when put manually into drive this does not occur. What causes this and how do I correct the problem.

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2 Answers

Tiny

ASEMaster6371

February, 3, 2013 AT 12:51 AM

The torque converter is either worn out or has a bad solenoid.

Royt

Tiny

edwardhostetler

February, 3, 2013 AT 3:51 PM

How hard is it to replace the solenoid and how can you tell if it is the torque converter or the solenoid. Thank you.

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