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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 >> Pressure Test With Transmission In "R" (Reverse Gear)

Pressure Test With Transmission In "R" (Reverse Gear)

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 oil pump output, pressure regulation, front clutch and rear servo hydraulic circuits. Remove pressure tap plug and install 300 psi (21 kg/cm2 ) pressure gauge in rear servo pressure tap. See Figure . Start and operate engine at 1600 RPM.
  2. Move manual selector lever on transmission to fully forward position and then rearward 4 positions to gearshift "R" position. Read pressure on pressure gauge as throttle valve lever on transmission is moved from fully forward position to fully rearward position.
  3. Pressure should be 145-175 psi (10.2-12.3 kg/cm2 ) with throttle valve lever fully forward and gradually increase to 230-280 psi (16.1-19.7 kg/cm2 ) with throttle valve lever fully rearward. Remove pressure gauge. Install and tighten pressure tap plug to specification. See TORQUE SPECIFICATIONS  .
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