2005 Buick Allure (CANADA) V6-3.6LFACTORY OEM SERVICE PROCEDURE

Control Module HVAC: Service and Repair



BLOWER CONTROL MODULE REPLACEMENT

REMOVAL PROCEDURE
1. Remove the right side instrument panel (I/P) insulator.

Factory service manual diagram



2. Disconnect the electrical connector from the blower control module.
3. Remove the 2 heat stakes from the blower control module using a small chisel.
4. Remove the blower control module.

INSTALLATION PROCEDURE
1. Install the blower control module.
2. Install the 2 new screws in the pre-drilled holes to the side of the heat stakes in the blower control module and the HVAC module assembly.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the screws to 1.5 N.m (13 lb in).

Factory service manual diagram



3. Connect the electrical connector to the blower control module.
4. Install the right side I/P insulator.
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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