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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+
Automatic Temperature Control Systems Diagnosis & Testing -> Hummer H2 -> Technical Service Bulletins -> 2003 -> Flutter Noise
Vehicle: 2003 Hummer H2 6.0 V8 GAS
Flutter Noise
2003
On some of these models there may be a flutter type noise in the passenger compartment when the air conditioning system is on, bi-level fan speed is at medium, or high temperature is full cold and recirculation is on.
This condition may be caused by the oscillating movement of the air conditioning valve/door within the air distribution system ductwork.
To correct this condition, proceed as follows:
- Connect Tech 2, or equivalent diagnostic scan tool to Diagn...
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+
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+
Component Replacement & Adjustment -> Hummer H2 -> Expansion (Orifice) Tube, Replace
Vehicle: 2003 Hummer H2 6.0 V8 GAS
- Recover refrigerant as outlined in .
- Loosen nut and remove orifice tube using orifice tube remover...
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
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 -> Heating, Ventilation & Air Condition (HVAC) Control Assembly, Replace
Vehicle: 2003 Hummer H2 6.0 V8 GAS
- Loosen set screw and remove shift control knob.
- Remove mounting screws and storage bin from center console.
- Loosen shift lever locking screw and remove shifter.
- Disconnect the PRNDL lamps from the cup holder using suitable flat-bladed tool.
- Remove cup holder.
- Remove end panel to center console and disconnect electrical connectors.
- Remove console end panel.
- Disconnect clips and remove upper console trim panel.
- Disconnect console electrical connector, then remove mounting bolts and cente...
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 -> Condenser, Replace
Vehicle: 2003 Hummer H2 6.0 V8 GAS
- Recover refrigerant as outlined in .
- Disconnect quick connect fittings and remove transmission fluid cooler hoses from auxiliary cooler.
- Remove mounting bolts and auxiliary oil cooler.
- Place suitable drain pan in vehicle.
- Siphon fluid from power steering reservoir.
- Remove power steering cooler to radiator support bolts Do not discard upper spacer.
- Remove cooler inlet and outlet cooler hoses.
- Remove transmission cooler.
- Remove lefthand and righthand hood springs' mounting bolt...
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