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Home >> Saturn >> 2010 >> Sky Red Line, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Automatic Transmission - 5L40-E/5L50-E - Description And Operation) >> Description and Operation >> Automatic Transmission Hydraulic Diagrams >> Overdrive Range, First Gear (Before First 1-2 Shift) >> Forward Clutch Applies

Forward Clutch Applies

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#6 and #7 Ball Check Valves

D13 fluid seats the #6 ball check valve and passes through orifice #15 into the forward clutch fluid circuit. D13 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.