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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1682 (Automatic Transmission - 6L45/6L50/6L80/6L90 - Description And Operation) >> Description and Operation >> Automatic Transmission Hydraulic Diagrams >> Drive Range, First Gear >> Low & Reverse Clutch Releases >> #5 Ball Check Valve

#5 Ball Check Valve

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Drive 1-6 fluid pressure seats the #5 ball check valve against the 35 clutch reverse feed fluid passage. Drive 1-6 fluid is then directed into the 35R supply fluid circuit which is routed to the #7 ball check valve and orifice #25.