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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 GMC Sierra 2500 HD car and truck
repair procedures including GMC 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 GMC Sierra 2500 HD automobile. Try the Automotix DIY solution today!
We have info for following modifications of 2004 GMC Sierra 2500 HD
- 2004 GMC Sierra 2500 HD 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:U
- 2004 GMC Sierra 2500 HD 8.1 V8 GAS, CID:496, Fuel Injection, Aspiration:496, Engine VIN:, Desg:G
- 2004 GMC Sierra 2500 HD 6.6 V8 DIESEL, CID:400, Fuel Injection, Aspiration:400, Engine VIN:, Desg:1
- 2004 GMC Sierra 2500 HD 6.6 V8 DIESEL, CID:403, Fuel Injection, Aspiration:403, Engine VIN:, Desg:2
- 2004 GMC Sierra 2500 HD 6.0 V8 CNG, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:U
A/C & HEATER SERVICE PROCEDURES FOR 2004 GMC Sierra 2500 HD 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 GMC Sierra 2500 HD cars and light trucks from 1990+
Component Replacement & Adjustment -> Sierra & Silverado -> Heating, Ventilation & Air Condition (HVAC) Control Assembly, Replace
Vehicle: 2004 GMC Sierra 2500 HD 8.1 V8 GAS
- Apply parking brake.
- On models equipped with automatic transmission, move shift lever down to last gear.
- On all models, tilt steering wheel to full down position.
- Remove instrument cluster trim plate bezel.
- Remove instrument panel storage tray.
- Pull accessory switc...
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A/C & HEATER SERVICE PROCEDURES FOR 2004 GMC Sierra 2500 HD 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 GMC Sierra 2500 HD cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Domestic Vehicles
Vehicle: 2004 GMC Sierra 2500 HD 6.6 V8 DIESEL
CLICK HERE TO GET FULL ACCESS TO 2004 GMC Sierra 2500 HD A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 GMC Sierra 2500 HD 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 GMC Sierra 2500 HD cars and light trucks from 1990+
Drive Belt Data -> Domestic Light Trucks & Vans -> 2003-04
Vehicle: 2004 GMC Sierra 2500 HD 6.6 V8 DIESEL
CLICK HERE TO GET FULL ACCESS TO 2004 GMC Sierra 2500 HD A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 GMC Sierra 2500 HD 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 GMC Sierra 2500 HD cars and light trucks from 1990+
A/C Data -> Domestic Light Trucks & Vans -> General Motors Corp./Saturn -> 1992-2002 -> 2003-04
Vehicle: 2004 GMC Sierra 2500 HD 6.6 V8 DIESEL
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A/C & HEATER SERVICE PROCEDURES FOR 2004 GMC Sierra 2500 HD 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 GMC Sierra 2500 HD cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
Vehicle: 2004 GMC Sierra 2500 HD 6.6 V8 DIESEL
CLICK HERE TO GET FULL ACCESS TO 2004 GMC Sierra 2500 HD A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 GMC Sierra 2500 HD 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 GMC Sierra 2500 HD cars and light trucks from 1990+
General Service Domestic Vehicles -> 2003-04 -> Leak Test -> Electronic Leak Detectors -> Fluid Leak Detectors
Vehicle: 2004 GMC Sierra 2500 HD 8.1 V8 GAS
Testing the refrigerant system for leaks is one of the most important phases of troubleshooting. One or more of the methods outlined will prove useful in detecting leaks or checking connections if service work is performed. Before beginning any leak test, attach a manifold gauge set and note pressure. If little or no pressure is indicated, a partial charge must be installed. Check all connections, compressor head gasket, oil filler plug and compressor shaft seal for leaks.
For R-134a system an electronic type leak detector is recommended.
Electronic Leak Detectors
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