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Hummer
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2007
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H3 Automatic
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Repair and Diagnosis
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Transmission
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Hydraulic Diagrams
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Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Overhaul, Troubleshooting & Diagnosis
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Symptoms - Automatic Transmission
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No Gear Selection
No Gear Selection
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