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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Hummer H2 car and truck
repair procedures including Hummer engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your 2003 Hummer H2 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Hummer H2 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Hummer H2 cars and light trucks from 1990+
Vacuum & Wiring Diagrams -> Light Duty Trucks & Vans -> Hummer H2
Vehicle: 2003 Hummer H2 6.0 V8 GAS
CLICK HERE TO GET FULL ACCESS TO 2003 Hummer H2 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Hummer H2 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Hummer H2 cars and light trucks from 1990+
Automatic Temperature Control Systems Diagnosis & Testing -> Hummer H2 -> Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> Intermittents -> System Performance Test
Vehicle: 2003 Hummer H2 6.0 V8 GAS
Accessing Diagnostic Trouble Codes
Connect a suitably programmed scan tool to Data Link Connector (DLC) and follow manufacturer's instructions.
Intermittents
Because many intermittent faults are caused at electrical connections, diagnosis of such problems should begin with a visual and physical inspection of connectors involved with the code. Appropriate connectors should be disconnected, examined and r...
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A/C & HEATER SERVICE PROCEDURES FOR 2003 Hummer H2 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Hummer H2 cars and light trucks from 1990+
Component Replacement & Adjustment -> Hummer H2 -> Evaporator Core, Replace
Vehicle: 2003 Hummer H2 6.0 V8 GAS
- Remove HVAC module as outlined in "Heating, Ventilation & Air Condition (HVAC) Module, Replace."
- Disconnect recirculation actuator electrical connector.
- Remove evaporator cover harness.
- Remove mounting screws and recirculation actuator...
CLICK HERE TO GET FULL ACCESS TO 2003 Hummer H2 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Hummer H2 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Hummer H2 cars and light trucks from 1990+
Component Replacement & Adjustment -> Hummer H2 -> Precautions -> Air Bag System Disarming & Arming -> Battery Ground Cable -> Oil Charge -> Product Compatibility
Vehicle: 2003 Hummer H2 6.0 V8 GAS
Air Bag System Disarming & Arming
Refer to and for air bag system disarming and arming procedures.
Battery Ground Cable
Prior to service, Disconnect and isolate battery ground cable.
Product Compatibility
Before replenishing refrigerant or refrigerant oil, ensur...
CLICK HERE TO GET FULL ACCESS TO 2003 Hummer H2 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Hummer H2 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Hummer H2 cars and light trucks from 1990+
Component Replacement & Adjustment -> Hummer H2 -> Compressor, Replace
Vehicle: 2003 Hummer H2 6.0 V8 GAS
- Recover refrigerant as outlined in .
- Loosen clamps from throttle body and Mass Air Flow (MAF) sensor, then the air cleaner outlet duct.
- Remove radiator inlet hose from fan shroud retainer.
- Remove fan shroud lefthand mounting bolt.
- Remove transmission oil cooler line from fan shroud retainer.
- Rotate slip ring from in fan shroud.
- Remove upper mounting bolts and fan shroud.
- Relieve tension by rotating belt tensioner clockwise, and remove compressor belt.
- Remove bolts, then the discharge and s...
CLICK HERE TO GET FULL ACCESS TO 2003 Hummer H2 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Hummer H2 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Hummer H2 cars and light trucks from 1990+
Component Replacement & Adjustment -> Hummer H2 -> Cooling System Bleed
Vehicle: 2003 Hummer H2 6.0 V8 GAS
- Open cooling system bleeder screws.
- Slowly fill cooling system with 50/50 suitable coolant and water mixture.
- Close cooling system bleeder screws and instal coolant pressu...
CLICK HERE TO GET FULL ACCESS TO 2003 Hummer H2 A/C & HEATER SERVICE PROCEDURES
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