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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Service, Diagnosis & Troubleshooting) >> No Gear Selection

No Gear Selection

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No Gear Selection

Checks Causes
Detent Lever (63) Nut loose or missing
Manual Valve (84) Stuck
Spacer Plate/Gaskets (47, 48, 52) Blocked holes
Control Valve Body to Case (60/103) Blocked channels