2004 Hummer H2 A/C & Heater Service (ONLINE REPAIR MANUALS)

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Get Full Access 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!
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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 -> 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...

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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 -> Accumulator, Replace
Vehicle: 2004 Hummer H2 6.0 V8 GAS

  • Recover refrigerant as outlined in .
  • Disconnect low pressure switch electrical connector.
  • Remove nuts, then the compressor hose and evaporator fitting.
  • Remove bracket nut and accumulator.
  • Remove bolt and mounting...

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...

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+

A/C Data -> Domestic Light Trucks & Vans -> AM General
Vehicle: 2004 Hummer H2 6.0 V8 GAS

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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 -> Evaporator Core, Replace
Vehicle: 2004 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 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 -> Expansion (Orifice) Tube, Replace
Vehicle: 2004 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 2004 Hummer H2 A/C & HEATER SERVICE PROCEDURES

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