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 MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHVAC SYSTEMS - MANUALREPAIR INSTRUCTIONSMODE ACTUATOR REPLACEMENT (W/ D07)INSTALLATION PROCEDURE

2006 Chevrolet Suburban C2500, 6.0 U

Installation Procedure

2006 Chevrolet Suburban C2500, 6.0 USECTION Installation Procedure

Fig 1: View Of Mode Actuator

Courtesy of GENERAL MOTORS CORP.

Install the mode actuator as an assembly with the actuator cam.
- Line up the heater/defroster valve lever with the mode actuator cam slot.
- Line up the A/C valve lever with the mode actuator cam.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the mode actuator mounting screws to the HVAC module.
Tighten: Tighten the screws to 1.6 N.m (14 lb in).

Fig 2: Identifying Electrical Connectors

Courtesy of GENERAL MOTORS CORP.

Connect the electrical connection at the mode actuator (10).

Fig 3: View Of Floor Air Outlet Duct Extension To Floor Air Duct

Courtesy of GENERAL MOTORS CORP.

Install the center console duct.
Install the screws to the center console duct.
Tighten: Tighten the screws to 1.6 N.m (14 lb in).
Install the center console. Refer to Console Replacement (w/Console Mounting Bracket) or Console Replacement (w/o Console Mounting Bracket) in Instrument Panel, Gages and Console.
Install the floor air outlet duct extension (1) to the floor air duct (2).

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.