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.
2008 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 - Clearance Lamp - Right Front
6 - Roof Marker Lamp - Front Right
7 - Off Road Lamps
8 - Clearance Lamp - Left Front
9 - Roof Marker Lamp - Front Left
10 - Roof Marker Lamp - Front Center
11 - Marker Lamp - Left Front
12 - Park/Turn Signal Lamp - Left Front
13 - Daytime Running Lamp (DRL) - Left
14 - Headlamp - Left
Engine Compartment
1 - Washer Fluid Level Sensor
2 - Window Washer Fluid Pump
3 - Windshield Wiper Motor and Module
4 - Horn-Left
5 - Cooling Fan-Left
6 - Inflatable Restraint Front Sensor - Left
7 - Inflatable Restraint Front Sensor - Right
8 - Cooling Fan-Right
9 - Ambient Air Temperature Sensor - HVAC
10 - Ambient Air Temperature Sensor - Mirror
11 - Horn-Right
Engine Compartment
1 - Brake Fluid Level Switch
2 - Electronic Brake Control Module (EBCM)
3 - Throttle Actuator Control (TAC) Module
4 - Fuse Block-Underhood
5 - Battery
6 - Engine Control Module (ECM)
7 - Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor
8 - A/C Low Pressure Switch
9 - 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.