Section 171 (Heater Systems)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- Model Identification
- Description
- Operation
- Component Locations
- Trouble Shooting
- Performance Tests
- Symptom Tests
- Notes
- Test A: Auxiliary Blower Motor Always On
- Test B: Auxiliary Blower Motor Inoperative
- Test C: Auxiliary Blower Motor Malfunction
- Test D: Blower Motor Always On
- Test E: Blower Motor Inoperative
- Test F: Blower Motor Malfunction
- Test G: Blower Motor Noise Diagnosis
- Test H: HVAC Module Noise Diagnosis
- Test I: Improper Air Delivery
- Test J: Improper Air Delivery (Auxiliary)
- Test K: Too Hot In Vehicle
- Test L: Too Hot In Vehicle (Auxiliary)
- Test M: Vacuum Control System Diagnosis
- Removal & Installation
- Notes
- Auxiliary Blower Motor
- Auxiliary Blower Motor Resistor
- Auxiliary Blower Switch
- Auxiliary Blower Relays
- Auxiliary HVAC Control Assembly (Front)
- Auxiliary HVAC Control Assembly (Rear)
- Auxiliary HVAC Control Processor
- Auxiliary Heater Case
- Auxiliary Heater Core
- Auxiliary Hot Water By-Pass Valve
- Auxiliary Mode Actuator
- Auxiliary Temperature Actuator
- Blower Motor
- Blower Motor Resistor
- Hot Water By-Pass Valve
- HVAC Module Assembly
- HVAC Control Assembly
- Heater Core
- RECIRCULATION Door
- Temperature Actuator
- Temperature Door
- Vacuum Reservoir Tank
- Torque Specifications
- Connector Identification
- Vacuum Hose Diagram(S)
- Wiring Diagrams