Section 152 (HVAC Systems - General Servicing)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Heating, Ventilation and Air Conditioning
- Leak Testing
- Air Conditioning (A/C) System Performance Test
- Air Conditioning (A/C) Diagnostics - Pressure Zone A
- Air Conditioning (A/C) Diagnostics - Pressure Zone B
- Air Conditioning (A/C) Diagnostics - Pressure Zone C
- Air Conditioning (A/C) Diagnostics - Pressure Zone D
- Heating Performance Diagnostic (Front System only)
- Heating Performance Diagnostic (Auxiliary System)
- Defrosting Insufficient
- Noise Diagnosis - Auxiliary Blower Motor
- Noise Diagnosis - Blower Motor
- Noise Diagnosis - Air Conditioning (A/C) System
- Noise Diagnosis - HVAC Module
- Odor Diagnosis
- Repair Instructions
- Odor Correction
- Refrigerant Recovery and Recharging
- Flushing (Front Only System)
- Flushing (Auxiliary System)
- Compressor Oil Balancing
- Compressor Replacement (LL8)
- Compressor Replacement (LM4)
- Sealing Washer Replacement
- O-Ring Replacement
- Compressor Hose Assembly Replacement (LL8)
- Compressor Hose Assembly Replacement (LM4)
- Evaporator Tube Replacement
- Expansion (Orifice) Tube Replacement (Front Only System)
- Expansion (Orifice) Tube Replacement (Auxiliary System)
- Compressor Relay Replacement
- Air Conditioning (A/C) Low Pressure Switch Replacement
- Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement
- Condenser Replacement
- Accumulator Replacement
- HVAC Module Assembly Replacement
- Evaporator Core Replacement
- Heater Hose Replacement - Inlet (Front System Only)
- Heater Hose Replacement - Inlet (Auxiliary System)
- Heater Hose Replacement - Outlet (Front Only System)
- Heater Hose Replacement - Outlet (Auxiliary System)
- Coolant Bypass Valve Replacement
- Blower Motor Relay Replacement
- Blower Motor Resistor Assembly Replacement
- Blower Motor Replacement
- Air Distributor Duct Replacement
- Air Outlet Replacement - Instrument Panel
- Air Outlet Replacement - Instrument Panel - Center
- Air Outlet Replacement - Instrument Panel - Right
- Air Outlet Replacement - Rear Floor
- Defroster Duct Replacement - Windshield
- Air Outlet Duct Replacement - Left Side
- Air Outlet Duct Replacement - Floor, RH
- Air Temperature Door Replacement
- Defroster Door Replacement
- Mode Door Replacement
- Recirculation Door Replacement
- Heater Core Replacement
- Blower Motor Resistor Replacement - Auxiliary
- Blower Motor Replacement - Auxiliary (Rear Auxiliary)
- Blower Motor Replacement - Auxiliary (Front Auxiliary)
- Air Distribution Ducts Replacement - Auxiliary (Lower)
- Air Distribution Ducts Replacement - Auxiliary (Upper)
- Heater Core Replacement - Auxiliary
- Heater Core Cover Replacement - Auxiliary
- Thermal Expansion Valve Replacement - Auxiliary
- HVAC Module Replacement - Auxiliary
- HVAC Module Case Replacement - Auxiliary
- HVAC Module Case Sump Replacement - Auxiliary
- HVAC Module Pass Thru Seal Replacement - Auxiliary
- Evaporator Core Replacement - Auxiliary
- Evaporator Block Replacement - Auxiliary
- Heater and Air Conditioning (A/C) Pipe Replacement/Repair - Auxiliary
- Evaporator Drain Hose Replacement - Auxiliary
- Special Tools and Equipment