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Home >> Jeep >> 1996 >> Grand Cherokee Limited, 5.2 Y >> Repair and Diagnosis >> External Pages >> Different car >> Section 192 (Overhaul - 46 & 47 Automatic Transmission Series) >> Testing >> Hydraulic Pressure Test >> Transmission Governor Pressure

Transmission Governor Pressure

WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 1996 Dodge Ram Wagon, 1996 Dodge Ram Van, 1996 Dodge Pickup, 1996 Dodge Dakota, and 1996 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. This tests governor operation in relation to engine and vehicle speed. Reconnect throttle valve and shift cables or linkages on manual selector lever and throttle valve lever on transmission (if removed). Remove pressure tap plug and install pressure gauge in governor pressure tap. See Figure .
  2. Lower vehicle, leaving wheels approximately 12" from floor. Start engine and allow to idle. Place gearshift in "D" (Drive). Note pressure gauge reading with engine idling.
  3. Pressure should be 0-1.5 psi (0-.1 kg/cm2 ) with wheels not rotating. If pressure exceeds specification, governor valve or weights are stuck open.
  4. If pressure is correct, slowly increase engine speed, noting governor pressure in relation to vehicle speed. Governor pressure should increase approximately 1 psi (.07 kg/cm2 ) for every MPH. Governor pressure should rise smoothly and then drop back to 0-1.5 psi (0-.1 kg/cm2 ) when wheels stop rotating. Repair governor if it does not operate properly. Remove pressure gauge. Install and tighten pressure tap plug to specification. See TORQUE SPECIFICATIONS  .
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