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HOMESERVICE MANUALSSUBARU2010IMPREZA 2.5I, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISBRAKESANTI-LOCK BRAKESVEHICLE DYNAMICS CONTROL (VDC) (EXCEPT STI)VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM&H/U)INSTALLATION
2010 Subaru Impreza 2.5i, 4D Sedan, Automatic

VDC Control Module and Hydraulic Control Unit (VDCCM&H/U): Installation

2010 Subaru Impreza 2.5i, 4D Sedan, AutomaticSECTION Installation
  1. Install the VDCCM&H/U bracket.

    Tightening torque: 33 N.m (3.3 kgf-m, 24.3 ft-lb) 

  2. Install the VDCCM&H/U with a new nut (Part No. 023506000) by aligning the damper groove of the VDCCM&H/U to the bracket side claw.

    Tightening torque: 7.5 N.m (0.76 kgf-m, 5.5 ft-lb) 

    Fig 1: Locating VDCCM & H/U Nuts
    G05343419Courtesy of SUBARU OF AMERICA, INC.
  3. Connect the brake pipes to their correct VDCCM&H/U positions.

    Tightening torque: 

    T1: 15 N.m (1.5 kgf-m, 11.1 ft-lb) 

    T2: 19 N.m (1.9 kgf-m, 14 ft-lb) 

    Fig 2: Connecting Brake Pipes To Their Correct VDCCM & H/U Positions
    G05343421Courtesy of SUBARU OF AMERICA, INC.
  4. Connect the VDCCM&H/U connector.
    NOTE:
    • Be sure to remove all foreign matter from inside the connector before connecting.
    • Make sure the VDCCM&H/U connector is securely locked.
  5. Bleed air from the brake system.
  6. Check the parameter to confirm that the applied models and grades of the relevant vehicle are included. Refer to PARAMETER CHECK , OPERATION, Subaru Select Monitor.
  7. If the applied model and grade of the target vehicle are not included on the {Confirm on parameter} display screen, perform parameter selection and registration. Refer to PARAMETER SELECTION , OPERATION, Subaru Select Monitor.
NOTE:
  • When the VDCCM&H/U is replaced with a new part, be sure to perform the selection registration operation.
  • For the selection and registration of parameter, the Subaru Select Monitor is required.
  • When the registration has not been performed, the DTC code "Parameter selection error" is detected together with the ABS/EBD/VDC warning light illumination.
RENDER: 1.0x

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When to See a Mechanic

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

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