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89 Lesabre A/T won't shift after CV joint replacement

Tiny
MUFFIN1019
  • MEMBER
  • 1989 BUICK LESABRE
I have a 1989 Buick Le Sabre with 180,000, an automatic transmission, 3.8 ltr engine. I replace the driver side cv joint, now the transmission will only go into reverse and first gear. It will not shift out of first. I serviced the transmission with new filter and fluid but still will only shift into reverse and first. Please help.
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Monday, October 22nd, 2007 AT 7:27 AM

2 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
I CANT SEE A CONNECTION
IF ALL LINKS IN PLACE AND NOTHING OUT OF PLACE
YOU MAY NEED A TRANNY REBUILT
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Monday, October 22nd, 2007 AT 6:33 PM
Tiny
BESTAUTOTECH
  • MEMBER
  • 15 POSTS
Think its got a vacuum modulator and if they get on plugged for some reason like when you changed the cv joint it may not shift.
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Tuesday, October 23rd, 2007 AT 7:48 PM

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