LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jaguar >> 2001 >> XJ8 Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Servicing >> In Vehicle Repair >> Main Control Valve Body >> Removal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Main Control Valve Body: Removal

  1. Remove the battery cover and disconnect battery ground cable.
  2. Raise the vehicle for access.
      WARNING: TRANSMISSION FLUID MAY CAUSE SEVERE BURNS, ENSURE THAT ALL SAFETY PROCEDURES ARE OBSERVED.
    • Carefully remove the drain plug and drain the transmission fluid. See Figure.
  3. Remove the twenty-two fixings which secure the fluid pan.
    • Remove the fluid pan and all traces of gasket material.

    See Figure.

  4. Remove the fluid filter. Refer to TRANSMISSION FLUID FILTER .
  5. Remove the input speed sensor.
      NOTE: M5 fixing.
    1. Remove the screw from the input speed sensor securing bracket and pull the sensor clear.
      • Disconnect the harness multiplug.
    Fig 1: Removing & Installing Input Shaft Speed Sensor (ISS) Sensor
    G00378341Courtesy of JAGUAR CARS, INC.
  6. Remove the output speed sensor.
      NOTE: M6 fixing.
    1. Remove the screw from the output speed sensor securing bracket and pull the sensor clear.
      • Disconnect the harness multiplug.
    Fig 2: Removing & Installing Output Shaft Speed (OSS) Sensor
    G00378342Courtesy of JAGUAR CARS, INC.
  7. Disconnect the five pressure regulator connectors and three solenoid connectors. See Figure.
  8. Reposition the internal harness for access.
    • Release the internal harness from the retaining clips.
    Fig 3: Removing & Installing Internal Harness
    G00378343Courtesy of JAGUAR CARS, INC.
  9. Drain the valve body.
    1. Position a suitable drain tin below the valve body.
    2. Slacken (do not remove) the twenty-two screws, valve body to transmission case.
      • Allow the fluid to drain.
    Fig 4: Draining Fluid From Valve Body
    G00378344Courtesy of JAGUAR CARS, INC.
  10. Remove the valve body.
    • Remove five M6 X 30 screws, valve body to transmission case.
    • Remove seventeen M6 X 60 screws, valve body to transmission case.
    Fig 5: Removing Valve Body
    G00378345Courtesy of JAGUAR CARS, INC.