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My car wont shift into third gear

Tiny
ANONYMOUS
  • MEMBER
  • 1988 OLDSMOBILE CIERA
  • 170,000 MILES
My car wont shift into third gear. I am going to try to replace the transmission control solenoid and transmission filter and gasket before spending big bucks to fix the transmission can you help me find this part?
Tuesday, October 23rd, 2012 AT 5:33 PM

2 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Some older gm vehicles have a vacuum modulator on the transaxle. If the modulator is faulty, it won't shift. Because of the vacuum it can suck tranny fluid into the throttle-body and it may run down into the air filter, if the modulator diaphram is ruptured. I haven't looked, yet, to see if your transaxle has a vacuum modulator?
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Tuesday, October 23rd, 2012 AT 5:50 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hi, I think I made a mistake on my answer, yesterday. I can't remember what I was drinking? Sorry about that, will try to do better.
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Wednesday, October 24th, 2012 AT 3:24 PM

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