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.

2009 Hummer H3 AlphaFACTORY OEM SERVICE PROCEDURE

Installation Procedure

Fig 1: Air Cleaner Upper Housing

Courtesy of GENERAL MOTORS CORP.

Install the air filter element (2) to the lower air cleaner housing.
Close the air cleaner upper housing (1).

Fig 2: Air Cleaner Upper Housing Retainer Clips

Courtesy of GENERAL MOTORS CORP.

Latch the air cleaner upper housing retainer clips (1).
Install the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .

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.