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HOMESERVICE MANUALSCHEVROLET2008AVEO LT, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEMREPAIR INSTRUCTIONSBRAKE MODULATOR ASSEMBLY REPLACEMENTINSTALLATION PROCEDURE
2008 Chevrolet Aveo LT, Automatic

Installation Procedure

2008 Chevrolet Aveo LT, AutomaticSECTION Installation Procedure
    Fig 1: Brake Modulator Assembly (Mando)
    GM1523852Courtesy of GENERAL MOTORS CORP.
  1. Install the brake modulator assembly.
    2. NOTE: Refer to Fastener Notice .
  2. Install the mounting bracket bolts on the hydraulic unit.

    Tighten:  Tighten the torque ABS mounting bracket bolts to 22 N.m (16 lb ft).

    3. Fig 2: ABS Wiring Harness Connector (Mando)
    GM1523854Courtesy of GENERAL MOTORS CORP.
  3. Install the brake pipes fitting nuts from the hydraulic unit.

    Tighten:  Tighten the torque brake pipe fitting nuts to 16 N.m (12 lb ft).

  4. Connect the ABS wiring harness connector to its socket on the EBCM.
  5. Connect the negative battery cable.
    6. NOTE: Refer to Brake Fluid Effects on Paint and Electrical Components Notice .
  6. Add new brake fluid and bleed the brake system. Refer to Hydraulic Brake System Bleeding (Manual) .
  7. Inspect the brake system for leaks.
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.