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Home >> Pontiac >> 2009 >> G8 Base >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 5L40-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Overdrive Range, First Gear (Before First 1-2 Shift) >> Forward Clutch Applies

Forward Clutch Applies

#6 and #7 Ball Check Valves:

D432 fluid seats the #6 ball check valve and passes through orifice #15 into the forward clutch fluid circuit. D432 fluid also passes by the spring loaded #7 ball check valve to feed the forward clutch circuit as necessary to help control forward clutch apply.

Forward Clutch Assembly:

Forward clutch fluid is routed to the forward clutch piston to apply the forward clutch plates.