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 H2 V8-6.2LFACTORY OEM SERVICE PROCEDURE
Front of Vehicle/Engine Compartment Component Views
Front of Vehicle/Engine Compartment Component Views
Front Exterior Lights
1 - Park/Turn Signal Lamp - Right Front
2 - Marker Lamp - Right Front
3 - Headlamp - Right
4 - Daytime Running Lamp (DRL) - Right
5 - Roof Clearance Lamp - Right Front
6 - Roof Marker Lamp - Front Right
7 - Off Road Lamps (USB/USC/USD/UNR)
8 - Roof Clearance Lamp - Left Front
9 - Roof Marker Lamp - Front Left
10 - Roof Marker Lamp - Front Middle
11 - Marker Lamp - Left Front
12 - Park/Turn Signal Lamp - Left Front
13 - Daytime Running Lamp (DRL) - Left
14 - Headlamp - Left
Engine Compartment - 1 of 2
1 - Windshield Washer Fluid Level Switch
2 - Washer Fluid Pump
3 - Windshield Wiper Motor
4 - Horn-Left
5 - Engine Cooling Fan-Left
6 - Inflatable Restraint Front End Sensor - Left
7 - Inflatable Restraint Front End Sensor - Right
8 - Engine Cooling Fan-Right
9 - Outside Air Temperature Sensor
10 - Ambient Air Temperature Sensor
11 - Horn-Right
Engine Compartment - 2 of 2
1 - Brake Fluid Level Switch
2 - Electronic Brake Control Module (EBCM)
3 - Fuse Block-Underhood
4 - Air Suspension Relay (ZM6)
5 - Battery
6 - Junction Block - Battery Cable
7 - Engine Control Module (ECM)
8 - Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
9 - A/C Low Pressure Switch
10 - Accumulator
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.