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.
2007 Hummer H2 V8-6.0LFACTORY OEM SERVICE PROCEDURE
Control Assembly: Locations
HVAC Component Views
HVAC Module
1 - HVAC Module
2 - HVAC Module
3 - HVAC Harness
4 - Air Temperature Actuator - Left
5 - Air Temperature Sensor Connector - Lower Right
6 - Air Temperature Sensor Connector - Lower Left
7 - Mode Actuator
8 - Recirculation Actuator
9 - Blower Motor Control Processor
10 - HVAC Module
11 - Air Temperature Actuator - Right
Instrument Panel
1 - Speaker - LF Tweeter
2 - Instrument Cluster
3 - Turn Signal/Multifunction Switch
4 - Traction Control Switch
5 - Radio
6 - HVAC Control Module
7 - Speaker - RF Tweeter
8 - Inflatable Restraint I/P Module
9 - Inflatable Restraint I/P Module Disable Switch
10 - Digital Radio Receiver
11 - Ride Height Switch (ZM6)
12 - Tow/Haul Switch
13 - Headlamp and Panel Dimmer Switch
14 - Midgate Window Switch (SUT) or Rear Wiper/Washer Switch (Except SUT)
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.
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