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Home >> Buick >> 2011 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Automatic Transmission - 4T80-E - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Does Not Stay in Park

Does Not Stay in Park

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Does Not Stay in Park

Checks Causes
Actuator Rod
  • Bent
  • Guide damaged
Detent Lever Mislocated or broken
Detent Spring Weak or broken
Manual Linkage Misadjusted or disconnected
Park Pawl Damaged tooth
Park Pawl Pivot Pin Missing
Parking Lock Gear Damaged teeth
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