2001 Buick Lesabre transmission

2001 BUICK LESABRE
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MYRAFRED1
  • MEMBER
  • 1 POST
my Buick stop going forward and only goes backward my husband changed 1 and 2 shift and 3 and 4 shift and a couple more things on the transmission and the Buick work for a week and when back to only going backward now what should we check first or what should be on a check list help thank you
Jun 7, 2014 at 5:40 PM
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SATURNTECH9
  • CAR REPAIR CONTRIBUTOR
  • 30,869 POSTS
What codes do you have in the computer? You will need to do a line pressure test on the transmission also which requires a scan tool that can command the line pressure actuator and a transmission pressure tester kit.But lets start with what codes do you have?
Jun 8, 2014 at 7:51 AM
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