When in overdrive at speeds of 55-70 vehicle.

Tiny
EDWARDHOSTETLER
  • MEMBER
  • 1986 BUICK ELECTRA
  • 128,000 MILES
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.
Saturday, February 2nd, 2013 AT 11:30 PM

2 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
The torque converter is either worn out or has a bad solenoid.

Royt
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Sunday, February 3rd, 2013 AT 12:51 AM
Tiny
EDWARDHOSTETLER
  • MEMBER
  • 2 POSTS
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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Sunday, February 3rd, 2013 AT 3:51 PM

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