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 Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Motors
MOTORS LOCATION
| Component | Location |
|---|---|
| Air Temperature Actuator - Left | Mounted to left side of HVAC Module assembly. See Figure. |
| Air Temperature Actuator - Right | Mounted to left side of HVAC Module assembly. See Figure. |
| Blower Motor | Below right side of dash. See Figure. |
| Door Lock Actuator - Driver | In center rear of driver door, near door latch. See Figure. |
| Door Lock Actuator - Endgate (1) | On right side of endgate. See Figure. |
| Door Lock Actuator - LR (5) | In center rear of left rear door, near door latch. See Figure. |
| Door Lock Actuator - Passenger (3) | In center rear of passenger door, near door latch. See Figure. |
| Door Lock Actuator - RR | In center rear of right rear door, near door latch. See Figure. |
| Fuel Pump And Sender Assembly | Mounted on top of fuel tank. See Figure. |
| Ignition Lock Cylinder Control Actuator (4) | On upper right side of steering column. See Figure. |
| Lumbar Pump Motor - Driver (2) | In driver seat. See Figure. |
| Lumbar Pump Motor - Passenger (12) | In passenger seat. See Figure. |
| Mode Actuator | On side of heater box. See Figure. |
| Rear Differential Lock Actuator | Mounted to center of rear axle. See Figure. |
| Rear Window Washer Fluid Pump | In right rear engine compartment area. See Figure. |
| Rear Window Wiper Motor (2) | Center of endgate. See Figure. |
| Recirculation Actuator | Upper right corner of heater case. See Figure. |
| Seat Motors - Driver (11) | Under driver seat. See Figure. |
| Seat Motors - Passenger (15) | Under passenger seat. See Figure. |
| Secondary Air Injection (AIR) Pump | Mounted to right front side of radiator support. |
| Starter Motor (3.7L) | Mounted to left side of engine. See Figure. |
| Starter Motor (5.3L) | Right side of engine, below exhaust. See Figure. |
| Sunroof Motor (1) | At front of sunroof module. See Figure. |
| Transfer Case Encoder Motor | Part of transfer case. See Figure. |
| Window Motor - Driver (5) | Attached to interior of left front door. See Figure. |
| Window Motor - LR (4) | Attached to interior of left rear door. See Figure. |
| Window Motor - Passenger (1) | Attached to interior of right front door. See Figure. |
| Window Motor - RR | Attached to interior of right rear door. See Figure. |
| Windshield Washer Fluid Pump | Mounted on fluid reservoir. See Figure. |
| Windshield Wiper Motor | Under center of front cowling. See Figure. |
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.