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Home >> Jaguar >> 2001 >> XJR >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Control >> Removal and Installation >> Anti-Lock Brake System (ABS) Module >> Removal
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Anti-Lock Brake System (ABS) Module: Removal

CAUTION: Replacement of nuts and bolts: Various thread-locking devices are used on nuts and bolts throughout the vehicle. These devices restrict the number of times a nut or bolt can be used. See THREAD LOCKING DEVICES for information.
CAUTION: Remove brake fluid spillage immediately from paint work, with clean water.
  1. Disconnect battery ground cable (IMPORTANT, see DISCONNECTING/CONNECTING THE BATTERY for further information).
  2. Position vehicle on a four-post lift.
  3. Open engine compartment and fit paint work protection covers to fenders.
    4. NOTE: The following three pictorial procedures must be carried-out to minimize brake fluid loss when disconnecting the brake tubes.
    Fig 1: Opening Left-Hand-Front And Left-Hand-Rear Caliper Bleed Nipples
    G03116236Courtesy of JAGUAR CARS, INC.
  4. Open Left-Hand-Front and Left-Hand-Rear caliper bleed nipples.
    • Connect a bleed tube and container to the calipers.
    • Open bleed nipples.
  5. Depress and hold down brake pedal using special tool.
    • Position tool between brake pedal and seat frame. (1)
    • Turn the tool wheel until the brake pedal is held 60mm down from its released position. (2)
    Fig 2: Depressing And Holding Down Brake Pedal
    G03116237Courtesy of JAGUAR CARS, INC.
  6. Tighten bleed nipples to:
    • Front caliper bleed nipple 4-6 Nm.
    • Rear caliper bleed nipple 8-11 Nm.
    • Remove bleed tubes and containers.
    Fig 3: Tightening Bleed Nipples
    G03116238Courtesy of JAGUAR CARS, INC.
  7. Disconnect electrical connectors from ABS/TCCM.
    • Pull plunger upwards. (1)
    • Disconnect electrical connector. (2)
    • Disconnect electrical connector. (3)
    Fig 4: Disconnecting ABS/TCCM Electrical Connectors
    G03116239Courtesy of JAGUAR CARS, INC.
    8. CAUTION: Remove brake fluid spillage immediately from paint work, with clean water.
  8. Position an absorbent cloth underneath the HCU to collect brake fluid spillage.
    9. NOTE: To minimize brake fluid loss, release the brake tubes from the HCU in the order shown.
    Fig 5: Releasing Brake Tubes From HCU
    G03116240Courtesy of JAGUAR CARS, INC.
  9. Release brake tubes from HCU.
    • Undo union nuts and release inlet brake tubes. (1)
    • Install plugs to HCU inlet ports and brake tubes. (2)
    • Undo union nuts and release outlet brake tubes. (1)
    • Install plugs to HCU outlet ports and brake tubes. (2)
  10. Remove HCU from vehicle.
    • Remove bolts.
    • Taking care not to distort brake tubes remove HCU.
    Fig 6: Removing HCU From Vehicle
    G03116241Courtesy of JAGUAR CARS, INC.
  11. Remove ABS/TCCM from the HCU.
    • Place the HCU on a work bench. (1)
    • Disconnect electrical connector. (2)
    • Remove bolts. (3)
    • Remove ABS/TCCM.
    Fig 7: Removing ABS/TCCM From HCU
    G03116242Courtesy of JAGUAR CARS, INC.
  12. Clean components and mating surfaces.
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