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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> 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 >> Park - Engine Running >> Fluid Pressure Directed in Preparation for a Shift >> CBR1/C456 Clutch Regulator Valve

CBR1/C456 Clutch Regulator 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.

PCS CBR1/C456 CL fluid at the CBR1/C4-5-6 clutch regulator valve moves the valve against CBR1/C4-5-6 clutch regulator spring force and CBR1/FDBK fluid. This allows line pressure to pass through the valve and enter the CBR1/456CL FD circuit. CBR1/456CL FD is then routed to clutch select valve 2.

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