2002 Buick Century CustomFACTORY OEM SERVICE PROCEDURE

Removal Procedure

NOTE: To prevent equipment damage, never connect or disconnect the wiring harness connection from the EBCM with the ignition switch in the ON position.
  1. Turn the ignition switch to the OFF position.
  2. Remove the fuel injector sight shield (3.8 L engine only). Refer to FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L36) or FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L67) in appropriate ENGINE MECHANICAL article.
  3. Remove the front fender upper diagonal brace. Refer to BRACE REPLACEMENT - FRONT FENDER UPPER DIAGONAL in BODY FRONT END .
  4. Disconnect the accelerator and cruise control cable from the accelerator control cable bracket.
  5. Disconnect the cruise control module from the left strut tower. It is not necessary to remove the cable from the module. Refer to CRUISE CONTROL MODULE REPLACEMENT in CRUISE CONTROL . Position the module and cables aside.
  6. Remove the air cleaner intake duct. Refer to AIR CLEANER INTAKE DUCT REPLACEMENT in appropriate ENGINE CONTROLS article.
  7. Disengage the red locking tab (1) from connector lock tab.
  8. Push down lock tab and then move sliding connector cover (2) to the open position.
    Fig 1: EBCM Harness Connector
    G01720987Courtesy of GENERAL MOTORS CORP.
  9. Disconnect the EBCM harness connector.
  10. Remove any dirt/debris from the assembly.
  11. Remove the four EBCM to BPMV retainers.
    NOTE: Do not pry apart using a tool. Be careful not to damage BPMV surface. Care must be taken not to damage the solenoid valves when the EBCM is removed from the BPMV.
  12. Separate the EBCM from the BPMV by gently pulling apart until separated.
Fig 2: EBCM And BPMV
G01720988Courtesy of GENERAL MOTORS CORP.
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:

  • • 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.

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