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.
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HOMESERVICE MANUALSCHEVROLET2001SUBURBAN C1500REPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHVAC SYSTEM - MANUALCOMPONENT LOCATORHVAC COMPONENT VIEWSHVAC MODULE COMPONENTS
2001 Chevrolet Suburban C1500
HVAC Module Components
2001 Chevrolet Suburban C1500SECTION HVAC Module Components
| Callout | Component Name |
|---|---|
| 1 | Heater Core Cover |
| 2 | Heater Core |
| 3 | A/C Defroster Seal |
| 4 | Upper HVAC Module Case |
| 5 | Dash Seal |
| 6 | A/C Valve |
| 7 | Heater/Defroster Valve |
| 8 | Temperature Valve |
| 9 | A/C Valve Lever |
| 10 | Mode Valve Actuator |
| 11 | Heater/Defroster Valve Lever |
| 12 | Mode Valve Cam |
| 13 | Lower HVAC Module Case |
| 14 | Rear Heater Duct Seal |
| 15 | Temperature Valve Actuator Screw |
| 16 | Temperature Valve Actuator |
| 17 | HVAC Module Wiring Harness |
| 18 | Blower Motor Resistor/Relay Assembly |
| 19 | Blower Motor Acoustic Insulator |
| 20 | Blower Motor |
| 21 | Blower Motor Fan |
| 22 | Passenger Compartment Air Filter Access Door |
| 23 | Dash Seal |
| 24 | Evaporator Block Seal |
| 25 | Evaporator Core |
| 26 | Passenger Compartment Air Filters |
| 27 | Air Inlet Valve |
| 28 | Air Inlet Housing |
| 29 | Air Inlet Housing Seal |
| 30 | Air Inlet Actuator |
| 31 | Heater Core Pipe Seal |
RENDER: 1.0x
NO RELATED
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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.