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 MANUALSCHEVROLET2019TRAX PREMIER, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1 (HEATING SYSTEM, VENTILATION SYSTEM, AND AIR CONDITIONING SYSTEM)
2019 Chevrolet Trax Premier, AWD
Section 1 (Heating System, Ventilation System, And Air Conditioning System)
2019 Chevrolet Trax Premier, AWDSECTION Section 1 (Heating System, Ventilation System, And Air Conditioning System)
WARNING: This page is about a different car, the 2018 Chevrolet Trax and 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Visual Identification
- Diagnostic Information and Procedures
- Symptoms - Heating, Ventilation, and Air Conditioning
- Leak Testing
- Air Conditioning (A/C) System Performance Test
- A/C Diagnostics Chart
- Heating Performance Diagnostic
- Defrosting Insufficient
- Noise Diagnosis - Blower Motor
- Air Conditioning Compressor Oil Diagnosis
- Noise Diagnosis - Air Conditioning (A/C) System
- Noise Diagnosis - HVAC Module
- Odor Diagnosis
- Repair Instructions
- Odor Correction
- Refrigerant Recovery and Recharging (R-134a)
- Air Conditioning Compressor Oil Balancing
- Air Conditioning Compressor Replacement (LE2)
- Air Conditioning Compressor Replacement (2H0)
- Air Conditioning Compressor Replacement (LUV)
- Compressor Leak Testing (R-134a)
- Air Conditioning Clutch Assembly Replacement (LUV)
- Air Conditioning Clutch Assembly Replacement (2H0)
- Air Conditioning Clutch Assembly Replacement (LE2)
- Compressor Pressure Relief Valve Replacement (2H0)
- Compressor Pressure Relief Valve Replacement (LUV)
- Compressor Pressure Relief Valve Replacement (LE2)
- Air Conditioning Compressor Bracket Replacement (LUV)
- Air Conditioning Compressor Bracket Replacement (2H0)
- Air Conditioning Compressor Bracket Replacement (LE2)
- Air Conditioning System Seal Replacement
- Air Conditioning O-Ring Seal Replacement
- Air Conditioning Compressor Hose Replacement (2H0)
- Air Conditioning Compressor Hose Replacement (LE2)
- Air Conditioning Compressor Hose Replacement (LUV)
- Air Conditioning Condenser Hose Replacement (2H0)
- Air Conditioning Condenser Hose Replacement (LUV)
- Air Conditioning Condenser Hose Replacement (LE2)
- Air Conditioning Evaporator Hose Assembly Replacement (2H0)
- Air Conditioning Evaporator Hose Assembly Replacement (LUV)
- Air Conditioning Evaporator Hose Assembly Replacement (LE2)
- Air Conditioning Refrigerant Service Valve Core Replacement
- Air Conditioning Refrigerant Desiccant Replacement (LUV)
- Air Conditioning Refrigerant Desiccant Replacement (2H0)
- Air Conditioning Evaporator Thermal Expansion Valve Replacement (LUV)
- Air Conditioning Evaporator Thermal Expansion Valve Replacement (2H0)
- Air Conditioning Evaporator Thermal Expansion Valve Replacement (LE2)
- Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement (2H0)
- Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement (LE2)
- Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement (LUV)
- Air Conditioning Evaporator Temperature Sensor Replacement (CJ2 C60 C67 LHD Evaporator Core)
- Air Conditioning Evaporator Temperature Sensor Replacement (Upper Left Duct)
- Air Conditioning Evaporator Temperature Sensor Replacement (Upper Right Duct)
- Air Conditioning Evaporator Temperature Sensor Replacement (Left Lower Duct)
- Air Conditioning Evaporator Temperature Sensor Replacement (Right Lower Duct)
- Air Conditioning Condenser Replacement (LUV)
- Air Conditioning Condenser Replacement (LE2)
- Heater and Air Conditioning Evaporator and Blower Module Removal and Installation
- Heater and Air Conditioning Evaporator and Blower Upper Case Replacement
- Heater and Air Conditioning Evaporator and Blower Lower Case Replacement
- Air Conditioning (A/C) Evaporator Case Assembly Replacement
- Air Conditioning Evaporator Replacement
- Air Conditioning Evaporator Module Drain Hose Replacement
- Heater Inlet Hose Replacement (2H0)
- Heater Inlet Hose Replacement (LUV)
- Heater Inlet Hose Replacement (LE2)
- Heater Outlet Hose Replacement (2H0)
- Heater Outlet Hose Replacement (LUV)
- Heater Outlet Hose Replacement (LUV Rear)
- Heater Outlet Hose Replacement (LE2)
- Heater Core Outlet Tube Replacement
- Heater Core Inlet Tube Replacement
- Heater Inlet Hose Connector Replacement (2H0)
- Heater Inlet Hose Connector Replacement (LE2 LUV)
- Heater Outlet Hose Connector Replacement
- Passenger Compartment Air Filter Replacement
- Air Inlet Assembly Replacement
- Blower Motor Control Module Replacement (With RPO C67 CJ2)
- Blower Motor Replacement
- Air Distributor Case Replacement
- Instrument Panel Outer Air Outlet Replacement - Left Side (Buick)
- Instrument Panel Outer Air Outlet Replacement - Left Side (Chevrolet)
- Instrument Panel Center Air Outlet Replacement - Left Side (Buick)
- Instrument Panel Center Air Outlet Replacement - Left Side (Chevrolet)
- Instrument Panel Center Air Outlet Replacement - Right Side (Buick)
- Instrument Panel Center Air Outlet Replacement - Right Side (Chevrolet)
- Instrument Panel Outer Air Outlet Replacement - Right Side (Buick)
- Instrument Panel Outer Air Outlet Replacement - Right Side (Chevrolet)
- Floor Front Air Outlet Duct Replacement - Right Side
- Floor Front Air Outlet Duct Replacement - Left Side (Chevrolet)
- Floor Front Air Outlet Duct Replacement - Left Side (Buick)
- Instrument Panel Outer Air Outlet Duct Replacement (Buick)
- Instrument Panel Outer Air Outlet Duct Replacement (Chevrolet)
- Windshield Defroster Outlet Duct Replacement (Buick)
- Windshield Defroster Outlet Duct Replacement (Chevrolet)
- Side Window Defogger Outlet Duct Replacement - Left Side (Buick)
- Side Window Defogger Outlet Duct Replacement - Left Side (Chevrolet)
- Side Window Defogger Outlet Duct Replacement - Right Side (Buick)
- Side Window Defogger Outlet Duct Replacement - Right Side (Chevrolet)
- Floor Rear Air Outlet Duct Replacement - Left Side
- Floor Rear Air Outlet Duct Replacement - Right Side
- Temperature Valve Gear Replacement (C60)
- Heater Core Replacement
- Auxiliary Heater Core Replacement (Buick With C32)
- Auxiliary Heater Core Replacement (Chevrolet C32)
- Heater Water Auxiliary Pump Inlet Hose Replacement (LE2)
- Heater Water Auxiliary Pump Outlet Hose Replacement
- Heater Case Replacement
- Description and Operation
- Special Tools and Equipment
RENDER: 1.0x
NO RELATED
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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.