Control Module HVAC: Service and Repair

2005 Buick Rendezvous AWD V6-3.6L VIN 7SECTION Service and Repair


BLOWER MOTOR CONTROL PROCESSOR REPLACEMENT

REMOVAL PROCEDURE
1. Remove the right side I/P insulator.




2. Disconnect the blower motor electrical connector.
3. Remove the blower motor mounting screws.
4. Remove the blower motor from the HVAC module assembly.




5. Disconnect the electrical connector from the blower motor control processor assembly.
6. Remove the forward blower control processor mounting screws.
7. Remove the rearward blower control processor mounting screw.




8. Remove the blower control processor assembly from the HVAC module assembly.

INSTALLATION PROCEDURE




1. Install the blower motor control processor assembly to the HVAC module assembly.
2. Install the rearward mounting screw.

Tighten the screw to 1.8 N.m (16 lb in)

NOTE: Refer to Fastener Notice in Service Precautions.

3. Install the forward mounting screws.

Tighten the screws to 1.8 N.m (16 lb in).




4. Connect the electrical connector to the blower control processor assembly.
5. Install the blower motor to the HVAC module assembly.
6. Install the blower motor mounting screws.

Tighten the screws to 1.8 N.m (16 lb in).




7. Connect the blower motor electrical connector.
8. Install the right side I/P insulator.
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:

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