Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSBUICK2005LESABRE LIMITED, 4T65E/M15REPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHVAC SYSTEM - AUTOMATICREPAIR INSTRUCTIONSRECIRCULATION ACTUATOR REPLACEMENTINSTALLATION PROCEDURE

2005 Buick LeSabre Limited, 4T65E/M15

Installation Procedure

2005 Buick LeSabre Limited, 4T65E/M15SECTION Installation Procedure

Fig 1: Removing/Installing Actuator Assembly

Courtesy of GENERAL MOTORS CORP.

Install the recirculation actuator.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the recirculation actuator retaining screws (1).
Tighten: Tighten the screws to 1.4 N.m (12 lb in).
Connect the electrical connector to the recirculation actuator.

Fig 2: View Of HVAC Module

Courtesy of GENERAL MOTORS CORP.

Position the DIM module bracket to the original position.
Install the rear two DIM module bracket screws.
Tighten: Tighten the screws to 1.4 N.m (12 lb in).
Install the DIM module into the bracket.
Install the right sound insulator. Refer to Closeout/Insulator Panel Replacement - Right in Instrument Panel, Gages and Console.
Install the instrument panel compartment. Refer to Storage Compartment Replacement - Instrument Panel (I/P) in Instrument Panel, Gages and Console.
Recalibrate the actuator. Refer to Re-Calibrating Actuators .

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.