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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 152 (Automatic Transmission - 4T80-E - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> No Fourth Gear

No Fourth Gear

WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
No Fourth Gear

Checks Causes
1-2 Shift Solenoid Valve
  • Inoperative
  • Debris
  • Pinched wires
3-4 Shift Valve Bore Plug Misassembled
4th Band Burned, slipping, missing
4th Servo Cover Cracked
4th Servo Pin Broken, seized
4th Servo Piston Damaged
4th Servo Seals Rolled, cut or damaged
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