2002 Land Rover Range RoverFACTORY OEM SERVICE PROCEDURE

Hydraulic Modulator

Fig 1: Hydraulic Modulator Components
G00523139Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
  1. ABS ECU
  2. Brake pressure sensor
  3. Bolt washer
  4. Spacer
  5. Mounting bush
  6. Bracket mounting bolt
  7. Mounting bracket

The ECU is integrated into the hydraulic modulator as one compact unit. This reduces the size and wiring required for DSC operation. Additionally the motor relay and valve relay have been replaced by solid state final stages in the control module. The ECU and Hydraulic modulator are available as separate service components. The hydraulic unit to uses:

  • Two pre-charge solenoid valves
  • Two change over solenoid valves
  • Four intake solenoid valves
  • Four outlet solenoid valves
  • One return pump.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.