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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 6T70 - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> No Park

No Park

Checks Causes
Front Differential Drive Pinion (w/Transfer Gear) Gear Assembly (481)
  • Inspect for broken or stripped Park Gear splines
  • Inspect for broken or worn Park Gear
Front Differential Carrier Assembly (486) Inspect for damaged, broken or loose Front Differential Ring Gear
Output Carrier Transfer Drive Gear Hub Assembly (477)
  • Inspect for worn, stripped or broken splines
  • Inspect for disengaged hub to Transfer Drive Gear
Reaction Carrier Assembly (467)
  • Inspect for worn, stripped or broken splines
  • Inspect for disengaged to the Output Sun Gear (475)
Case Assembly (507)
  • Inspect for broken or damaged Case
  • Inspect for loose or stripped Park Pawl Actuator Bracket Bolts (500)
  • Inspect for broken or bent Park Pawl Actuator Bracket (501)
  • Inspect for broken or missing Park Pawl Actuator Guide Pin (505) or Manual Shaft Pin (510)
  • Inspect for broken, loose or misaligned Park Pawl Guide (506)
  • Inspect for binding or broken Park Pawl (503) or Actuator Assembly (509)
Manual Shift Detent Lever Assembly (511) Inspect for broken or disengaged Manual Valve Link Pin