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HOMESERVICE MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 371 (ANTILOCK BRAKE SYSTEM WITH TRACTION CONTROL SYSTEM & STABILITY CONTROL SYSTEM)REPAIR INSTRUCTIONSELECTRONIC BRAKE CONTROL MODULE REPLACEMENT (WITH JL4)
2008 Chevrolet HHR LT, 2.4 P, Automatic

Electronic Brake Control Module Replacement (With JL4)

2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Electronic Brake Control Module Replacement (With JL4)
WARNING: This page is about a different car, the 2010 Chevrolet HHR. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Electronic Brake Control Module (With JL4)
GM1910347Courtesy of GENERAL MOTORS CORP.
Callout Component Name
CAUTION: Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch in the OFF position. Failure to observe this precaution could result in damage to the EBCM/EBTCM.

Preliminary Procedures

  1. Turn the ignition switch to the OFF position.
  2. If equipped with RPO LNF, release the charge air cooler inlet pipe from the bracket and position aside without removing the charge air cooler inlet pipe.
  3. Remove the cover from the engine control module (ECM) and transmission control module (TCM), if equipped.
  4. Clean the electronic brake control module (EBCM) to brake pressure modulator valve (BPMV) area of any accumulated dirt and foreign material.
  5. Disconnect the electrical connector from the EBCM.
1 Electronic Brake Control Module (EBCM) Bolts (Qty: 4)
CAUTION: Refer to Fastener Caution .

Tighten:  3 N.m (27 lb in)
2 EBCM

Procedure

  1. Separate the EBCM from the BPMV by carefully pulling apart. Do not pry the components apart.
  2. If a new EBCM is being installed, program the EBCM. Refer to Control Module References .
3 EBCM O-Ring Seal (Qty: 12)

Procedure

  1. If installing a new EBCM, install new O-ring seals.
  2. Clean the sealing surfaces of the BPMV with denatured alcohol and a clean shop cloth.
RENDER: 1.0x

NO RELATED

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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.