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Home >> GMC >> 2018 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission - 6T40 (MNH MNK) Or 6T45 (MHG) - Description And Operation) >> Description And Operation >> Electronic Component Description >> Q27A Pressure Control Solenoid Valve 1

Q27A Pressure Control Solenoid Valve 1

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Pressure control solenoid valve 1 is a normally high pressure control solenoid that is used to control line pressure. The solenoid valve regulates and directs pressure to the pressure regulator valve. Increasing pressure to the regulator valve increases the line pressure.