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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (Automatic Transmission - 4T80-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Diagnostic Information And Procedures >> No Overrun Braking in D3

No Overrun Braking in D3

WARNING: This page is about a different car, the 2009 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Checks Causes
1-2 Shift Solenoid Valve Debris, stuck
3-4 Shift Valve Debris, stuck
Coast Clutch Plates Burned or damaged
Coast Clutch Seal/Checkball Cut, worn or nicked
Fluid Level
  • Low
  • Stuck in upshift position
Forward Clutch Housing
  • Splines damaged
  • Housing cracked