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Home >> Fiat >> 2017 >> 500 Lounge, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 61 (Aw60T Automatic Transmission (Service Information) - 500) >> Valve Body >> Operation >> Regulator Valve

Regulator Valve

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The regulator valve controls hydraulic pressure in the transmission. It receives unregulated pressure from the transmission oil pump, which works against spring tension to maintain specific pressures. A system of sleeves and ports allows the regulator valve to work at one of three predetermined pressure levels. Regulated transmission oil pressure is also referred to as "line pressure."