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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 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 2004 Hummer H2 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2004 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 2004 Hummer H2 cars and light trucks from 1990+
Component Replacement & Adjustment -> Hummer H2 -> Thermostat, Replace
Vehicle: 2004 Hummer H2 6.0 V8 GAS
The thermostat is not serviceable separately. The housing and thermostat must be replaced as an assembly.
- Drain cooling system/engine block into suitable container.
- Loosen clamps at throttle body and at Mass Air Flow (MAF) sensor and remove air cleaner ...
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A/C & HEATER SERVICE PROCEDURES FOR 2004 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 2004 Hummer H2 cars and light trucks from 1990+
Component Replacement & Adjustment -> Hummer H2 -> Compressor, Replace
Vehicle: 2004 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...
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A/C & HEATER SERVICE PROCEDURES FOR 2004 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 2004 Hummer H2 cars and light trucks from 1990+
Vacuum & Wiring Diagrams -> Light Duty Trucks & Vans -> Hummer H2
Vehicle: 2004 Hummer H2 6.0 V8 GAS
CLICK HERE TO GET FULL ACCESS TO 2004 Hummer H2 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 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 2004 Hummer H2 cars and light trucks from 1990+
Component Replacement & Adjustment -> Hummer H2 -> Technical Service Bulletins -> 2003 HUMMER H2 -> 2003-04 HUMMER H2 -> Air Conditioning Inoperative/Intermittent, Blows Warm Air -> Insufficient HVAC System Cooling, Hissing Noise On Engine Shut Off -> Underhood Rattle Noise Heard On Acceleration
Vehicle: 2004 Hummer H2 6.0 V8 GAS
Underhood Rattle Noise Heard On Acceleration
2003-04 HUMMER H2
On some of these models there may be an underhood rattle noise heard on acceleration or a sudden loss of air condition system performance.
This condition may be caused by liquid slugging of compressor. This condition may cause an internal failure in compressor.
To correct this condition, proceed as follows:
- Open hood and inspect compressor for damage and to see if it is seized.
- Ensure serpentine belt is not damaged or missing.
- If compressor i...
CLICK HERE TO GET FULL ACCESS TO 2004 Hummer H2 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 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 2004 Hummer H2 cars and light trucks from 1990+
Automatic Temperature Control Systems Diagnosis & Testing -> Hummer H2 -> Precautions -> Air Bag System Disarming & Arming -> Battery Ground Cable
Vehicle: 2004 Hummer H2 6.0 V8 GAS
Air Bag System Disarming & Arming
Refer to and for air bag system disarming and arming proced...
CLICK HERE TO GET FULL ACCESS TO 2004 Hummer H2 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 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 2004 Hummer H2 cars and light trucks from 1990+
Component Replacement & Adjustment -> Hummer H2 -> Heater Core, Replace
Vehicle: 2004 Hummer H2 6.0 V8 GAS
- Remove HVAC module as outlined in "Heating, Ventilation & Air Condition (HVAC) Module, Replace."
- Remove mounting screws a...
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