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Home >> Saturn >> 2010 >> Sky Red Line, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Automatic Transmission - 5L40-E/5L50-E - Symptom Troubleshooting And Diagnosis) >> Harsh Shift D to R

Harsh Shift D to R

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Check Causes
DEFINITION: Gear engagement that is harsh when the engine is idling in Park or Neutral, and the gear selector is moved to Drive or Reverse range.
Forward Clutch
  • Damaged or worn piston (436)
  • Damaged or worn clutch plates (449)
  • Damaged or stuck ball check valve (434)
Reverse Clutch
  • Damaged or worn piston (404)
  • Damaged or worn clutch plates (418/417)
  • Damaged or stuck ball check valve (403)
Fluid Pump Assembly Refer to Harsh Shift 4 to 5, or 5 to 4 .
PC Solenoid Damaged