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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 GMC Sierra 2500 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 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2004 GMC Sierra 2500 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 cars and light trucks from 1990+
Orifice Tube/Expansion Valve Locations -> Domestic Light Trucks & Vans -> 2003-04
Vehicle: 2004 GMC Sierra 2500 6.0 V8 GAS
CLICK HERE TO GET FULL ACCESS TO 2004 GMC Sierra 2500 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 GMC Sierra 2500 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 cars and light trucks from 1990+
Air Bag System Precautions -> General Motors Corp. -> Disarming -> 1990 -> 1990-93 -> 1990-95 -> 1990-97 -> 1991 -> 1991-93 -> 1991-94 -> 1991-95 -> 1992-93 -> 1992-99 -> 1993-2002 -> 1993-94 -> 1993-98 -> 1994 -> 1994-2002 -> 1994-95 -> 1994-96 -> 1994-98 -> 1995-2002 -> 1995-96 -> 1995-97 -> 1995-98 -> 1995-99 -> 1996 -> 1996-2001 -> 1996-97 -> 1997 -> 1997-2002 -> 1997-98 -> 1997-99 -> 1998-2000 -> 1998-2002 -> 1998-99 -> 1999 -> 1999-2000 -> 1999-2001 -> 1999-2002 -> 2000-02 -> 2001-02 -> 2002 -> 2003 -> 2003-04 -> 2003-04 Except Malibu Maxx -> Achieva & Skylark -> Alero -> Astro & Safari -> Aurora -> Avalanche -> Aveo -> Aztek & Rendezvous -> Beretta & Corsica -> Blazer, Jimmy, Sonoma & S-10 -> Bonneville, Eighty-Eight, LeSabre, LSS, Ninety-Eight & Regency -> Bravada, Envoy, Rainier, SSR & TrailBlazer -> C/K Series -> Camaro & Firebird -> Canyon & Colorado -> Caprice, Custom Cruiser & Roadmaster -> Catera -> Cavalier & Sunfire -> Century -> Corvette -> Coupe -> CTS -> Cutlass -> Cutlass Ciera & Cruiser -> Cutlass Supreme -> DeVille -> Eldorado -> Escalade -> Express, G Series & Savana -> Fleetwood -> Grand Am -> Grand Prix & Intrigue -> Impala -> ION -> L-Series -> Light Trucks & Vans -> Lumina -> Lumina APV, Montana, Silhouette, Trans Sport & Venture -> Malibu -> Malibu Maxx -> Metro -> Monte Carlo -> Park Avenue -> Passenger Cars -> Prizm -> Reatta, Toronado & Trofeo -> Regal -> Riviera -> S-Series -> Sedan -> Seville -> Sierra & Silverado -> SRX -> Storm -> Suburban, Tahoe, Yukon & Yukon XL -> Tracker -> Vibe -> VUE -> XLR -> Zone 1 -> Zone 10 -> Zone 12 -> Zone 2 -> Zone 3 -> Zone 4 -> Zone 5 -> Zone 6 -> Zone 7 -> Zone 8 -> Zone 9 -> Zones 1 & 7 -> Zones 2 & 6 -> Zones 5 & 9 -> Zones 7 & 9
Vehicle: 2004 GMC Sierra 2500 6.0 V8 GAS
Passenger Cars
The Sensing and Diagnostic Module (SDM) can maintain enough voltage to cause air bag deployment for up to 10 minutes after the ignition is turned Off and the battery is disconnected. Servicing the Supplemental air bag (SIR) system during this period may result in accidental deployment and personal injury.
Achieva & Skylark
1994-96
- Ensure front wheels are in straight-ahead position.
- Turn ignition switch to LOCK position.
- Remove AIR BAG fuse from fuse block.
- On 1995 models, remove lefthand sound insulator panel to ac...
CLICK HERE TO GET FULL ACCESS TO 2004 GMC Sierra 2500 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 GMC Sierra 2500 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 cars and light trucks from 1990+
Manual Air Conditioning & Heater System Diagnosis & Testing -> Technical Service Bulletins -> Poor Air Conditioning Performance -- Will Not Blow Cold Enough -> 2003 Sierra & Silverado
Vehicle: 2004 GMC Sierra 2500 6.0 V8 GAS
2003 Sierra & Silverado
On some of these models equipped with 6.6L diesel engine the air conditioning performance is less than desirable, especially when ambient temperature is more than 90°F.
To correct this condition perform system inspects as follow:
- Calibrate actuators
- Inspect lower condenser deflector for proper installation. Deflector should be positioned at lower part of condenser and extend forward into top of front bumper and below two fresh air intake holes.
- Inspect engine coo...
CLICK HERE TO GET FULL ACCESS TO 2004 GMC Sierra 2500 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 GMC Sierra 2500 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 cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Domestic Vehicles
Vehicle: 2004 GMC Sierra 2500 6.0 V8 GAS
CLICK HERE TO GET FULL ACCESS TO 2004 GMC Sierra 2500 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 GMC Sierra 2500 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 cars and light trucks from 1990+
Component Replacement & Adjustment -> Sierra & Silverado -> Thermostat, Replace -> 4.3L Engine -> 4.8L, 5.3L & 6.0L Engines -> 6.6L Diesel Engine -> 8.1L Engine
Vehicle: 2004 GMC Sierra 2500 6.0 V8 GAS
4.3L Engine
- Drain cooling system into suitable container.
- Loosen air cleaner outlet duct clamp at Mass Air Flow/intake Air Temperature (MAF/IAT) sensor.
- Remove Positive Crankcase Ventilation (PCV) hose.
- Remove adapter nut, engine cover and air cleaner.
- Remove air inlet duct by pivoting it upward until hinge clip disconnects from lip on throttle body.
- Disconnect clamp and remove inlet hose from water outlet.
- Remove studs, water outlet and thermostat. Discard O-ring seal.
- Reverse procedure to install. Torque water outlet studs t...
CLICK HERE TO GET FULL ACCESS TO 2004 GMC Sierra 2500 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2004 GMC Sierra 2500 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 cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
Vehicle: 2004 GMC Sierra 2500 6.0 V8 GAS
CLICK HERE TO GET FULL ACCESS TO 2004 GMC Sierra 2500 A/C & HEATER SERVICE PROCEDURES
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