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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Automatic Transmission - 4L80-E/4L85-E (Service & Replacement)) >> Diagnostic Information and Procedures >> No Gear Selection

No Gear Selection

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
No Gear Selection

Checks Cause
Detent Lever (711) The nut is loose or missing.
Manual Valve (319) The valve is stuck.
Spacer Plate (46) The holes are blocked.
Valve Body/Case (301, 7) The channels are blocked.
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