Buick Regal Owners & Service Manuals

Buick Regal: HVAC - Manual

SPECIFICATIONS

FASTENER SPECIFICATIONS

Reusable Threaded Fastener Tightening Specifications

NOTE: All fasteners listed in this table can be reused after removal.

HVAC - Manual

REPAIR INSTRUCTIONS

HEATER AND AIR CONDITIONING USER INTERFACE CONTROL REPLACEMENT

HVAC - Manual

Preliminary Procedure

Instrument Panel Lower Trim Panel Replacement.

  1. Heater and Air Conditioning User Interface Control Bolt[2x]
    CAUTION: Fastener Caution
    Tighten 2.5 N.m (22 lb in)
  2. Heater and Air Conditioning User Interface Control
    Procedure
    1. Unlock the retaining tabs.
    2. Disconnect the electrical connector.

HEATER AND AIR CONDITIONING REMOTE CONTROL REPLACEMENT

HVAC - Manual

Preliminary Procedure

Radio Control Assembly Replacement (IOB) Radio Control Assembly Replacement (IO5, IO6).

  1. Heater and Air Conditioning Remote Control
    Procedure
    1. Unlock the retaining tabs.
    2. Disconnect the electrical connectors.
    3. Control Module References - Programming and Setup

TEMPERATURE VALVE ACTUATOR REPLACEMENT - RIGHT SIDE (RIGHT HAND DRIVE)

HVAC - Manual

Preliminary Procedure

Heater and Air Conditioning Evaporator and Blower Module Removal and Installation.

  1. Temperature Valve Actuator Bolt[2x]
    CAUTION: Fastener Caution
    Tighten 2.5N.m (22 lb in)
  2. Temperature Valve Actuator - Right Side
    Procedure
    1. Disconnect the electrical connector.
    2. Control Module References - Programming and Setup

TEMPERATURE VALVE ACTUATOR REPLACEMENT - LEFT SIDE (LEFT HAND DRIVE)

HVAC - Manual

Preliminary Procedure

Brake and Accelerator Pedal Assembly Replacement.

  1. Temperature Valve Actuator Bolt[2x]
    CAUTION: Fastener Caution.
    Tighten 2.5 N.m (22 lb in)
  2. Temperature Valve Actuator - Left Side Procedure
    1. Disconnect the electrical connector.
    2. Control Module References - Programming and Setup.

TEMPERATURE VALVE ACTUATOR REPLACEMENT - LEFT SIDE (RIGHT HAND DRIVE)

Removal Procedure

1. Heater and Air Conditioning Evaporator and Blower Module Removal and Installation - Remove.

2.

HVAC - Manual

Air Inlet Housing Bolt(1) - Remove[2x].

3. Air Inlet Housing(2) - Remove.

4. Unlock the retaining tabs.

5.

HVAC - Manual

Temperature Valve Actuator Bolt(1) - Remove[2x].

6. Temperature Valve Actuator - Left Side(2) - Remove.

7. Disconnect the electrical connector.

Installation Procedure

1.

HVAC - Manual

CAUTION: Fastener Caution

Temperature Valve Actuator - Left Side(2) - Install.

2. Temperature Valve Actuator Bolt(1) - Install and tighten[2x] 2.5 N.m (22 lb in).

3. Connect the electrical connector.

4.

HVAC - Manual

Air Inlet Housing(2) - Install.

5. Air Inlet Housing Bolt(1) - Install and tighten[2x] 2.5 N.m (22 lb in).

6. Heater and Air Conditioning Evaporator and Blower Module Removal and Installation - Install.

7. Control Module References - Programming and Setup.

MODE CONTROL CAM ACTUATOR REPLACEMENT

HVAC - Manual

Preliminary Procedure

Floor Front Air Outlet Duct Replacement - Left Side in HEATING, VENTILATION, AND AIR CONDITIONING.

  1. Mode Control Cam Actuator Bolt[2x]
    CAUTION: Fastener Caution.
    Tighten 2.5N.m (22 lb in)
  2. Mode Control Cam Actuator
    Procedure
    1.  Disconnect the electrical connector.
    2.  Control Module References - Programming and Setup

MODE CONTROL CAM ACTUATOR MOUNTING PLATE REPLACEMENT

HVAC - Manual

Preliminary Procedures

1. Temperature Valve Actuator Replacement - Left Side (Left Hand Drive) Temperature Valve Actuator Replacement - Left Side (Right Hand Drive).

2. Mode Control Cam Actuator Replacement.

  1. Mode Control Cam Actuator Mounting Plate Bolt[3x]
    CAUTION: Fastener Caution.
    Tighten 2.5 N.m (22 lb in)
  2. Mode Control Cam Actuator Mounting Plate

AIR INLET VALVE ACTUATOR REPLACEMENT (LEFT HAND DRIVE)

HVAC - Manual

Preliminary Procedure

Radio Bracket Replacement.

  1. Air Inlet Valve Actuator Bolt[2x]
    CAUTION: Fastener Caution.
    Tighten 2.5 N.m (22 lb in)
  2. Air Inlet Valve Actuator
    Procedure
    1. Disconnect the electrical connector.
    2. Control Module References - Programming and Setup

AIR INLET VALVE ACTUATOR REPLACEMENT (RIGHT HAND DRIVE)

HVAC - Manual

Preliminary Procedure

Instrument Panel Lower Trim Panel Insulator Replacement.

  1. Air Inlet Valve Actuator Bolt[2x]
    CAUTION: Fastener Caution.
    Tighten 2.5N.m (22 lb in)
  2. Air Inlet Valve Actuator
    Procedure
    1. Disconnect the electrical connector.
    2. Control Module References - Programming and Setup.

SUN LOAD TEMPERATURE AND HEADLAMP AUTOMATIC CONTROL AMBIENT LIGHT SENSOR REPLACEMENT

HVAC - Manual

Preliminary Procedure

Radio Front Speaker Grille Replacement.

  1. Sun Load Temperature and Headlamp Automatic Control Ambient Light Sensor

INSIDE AIR MOISTURE AND WINDSHIELD TEMPERATURE SENSOR REPLACEMENT

HVAC - Manual

Preliminary Procedure

Inside Rearview Mirror Replacement.

  1. Inside Air Moisture and Windshield Temperature Sensor Retainer
    Procedure
    Unlock the retaining tabs.
  2. Inside Air Moisture and Windshield Temperature Sensor
    Procedure
    Disconnect the electrical connector.

AIR CONDITIONING REFRIGERANT TEMPERATURE SENSOR REPLACEMENT (RIGHT HAND DRIVE)

HVAC - Manual

Preliminary Procedure

Floor Front Air Outlet Duct Replacement - Left Side in HEATING, VENTILATION, AND AIR CONDITIONING.

  1. Air Conditioning Refrigerant Temperature Sensor
    Procedure
    1. Disconnect the electrical connector.
    2. Unlock the retaining tabs.

AIR CONDITIONING REFRIGERANT TEMPERATURE SENSOR REPLACEMENT (LEFT HAND DRIVE)

HVAC - Manual

Preliminary Procedure

Instrument Panel Compartment Replacement.

  1. Air Conditioning Refrigerant Temperature Sensor
    Procedure
    1.  Disconnect the electrical connector.
    2.  Unlock the retaining tabs.

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