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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Automatic Transmission - ALLISON - Introduction (2 Of 2)) >> Description and Operation >> Transmission Component and System Description >> Electrohydraulic Control Valve Assembly

Electrohydraulic Control Valve Assembly

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The control valve assembly consists of 2 components. The main valve body contains the pressure control valves, the TCC valve, the exhaust backfill valve, and the control main relief valve. The shift valve body contains the shift valves, the control main pressure valve, and the manual selector valve. The control valve assembly attaches to the bottom of the main case module and is enclosed by the oil pan.