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Home >> Hummer >> 2008 >> H3 Adventure, Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L60-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Description & Operation >> Neutral - Engine Running >> Lo and Reverse Clutch Releases >> Lo and Reverse Clutch Piston

Lo and Reverse Clutch Piston

PR and Lo/reverse fluids exhaust from the piston, thereby releasing the lo and reverse clutch plates. Exhausting PR fluid unseats the lo and reverse clutch checkball (#10) for a quick exhaust.