1993 Buick Park Avenue Door Lock

1993 BUICK PARK AVENUE
74,000 MILES • 6 CYL • FWD • AUTOMATIC
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LACMAX
  • MEMBER
  • 1 POST
When I go front park to drive all four doors lock. When i stop and shift from drive to park the driver door will not unlock. I can lock all door with key fob but key fob will not unlock driver door. It unlocks the other three doors. I can use the key in the door to lock and unlock driver's door. NEED SOME HELP PLS ......ANY IDEAS THanks
May 13, 2010 at 12:34 PM
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MMPRINCE4000
  • ✓Experienced Mechanic
  • 8,548 POSTS
Most likely the lock solenoid on the drivers door is weak/bad.

I would remove the inside drivers door panel, remove the lock solenoid, still connected to electrical connector, try FOB, if it only works one way, then solenoid is bad, if it works both ways, then linkage may be binding.
May 14, 2010 at 1:08 AM
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