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1994 Cadillac EL Dorado WONT SHIFT OUT OF FIRST

Tiny
JASSO_8
  • MEMBER
  • 1994 CADILLAC ELDORADO
  • V8
  • FWD
  • AUTOMATIC
  • 77,000 MILES
ELDORADO WONT SHIFT OUT OF 1ST, JUST REVS UP, REVERSE WORKS, CODES ARE P029, P074, P079 COULD THIS ALL BE JUST A SOLENOID
Friday, May 15th, 2009 AT 4:23 PM

2 Replies

Tiny
MCGARY65
  • MEMBER
  • 5 POSTS
I had to replace the A-B shift solenoid. Cost me about a $100. Oo to have it done.
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Wednesday, September 8th, 2010 AT 2:40 PM
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
If it is a northstar powertrain, there is an updated solenoid kit that includes a bracket to prevent them from breakage. You can pull the pan and look at both of them, there is a filter in between them that in early years was kept in place by the solenoid. There must be certain conditions where this filter has some pressure behind it, and it would end up breaking the solenoid. The kit includes both solenoids, the bracket, and a longer bolt. The lower valve body needs to be removed to replace them.
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Wednesday, September 8th, 2010 AT 11:11 PM

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