2003 GMC Savana 3500 A/C & Heater Service (ONLINE REPAIR MANUALS)

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We have info for following modifications of 2003 GMC Savana 3500

  • 2003 GMC Savana 3500 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:U
  • 2003 GMC Savana 3500 6.0 V8 CNG, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:U

A/C & HEATER SERVICE PROCEDURES FOR 2003 GMC Savana 3500 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 GMC Savana 3500 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: 2003 GMC Savana 3500 6.0 V8 CNG

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...

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A/C & HEATER SERVICE PROCEDURES FOR 2003 GMC Savana 3500 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 GMC Savana 3500 cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
Vehicle: 2003 GMC Savana 3500 6.0 V8 CNG

[[table data]]

CLICK HERE TO GET FULL ACCESS TO 2003 GMC Savana 3500 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2003 GMC Savana 3500 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 GMC Savana 3500 cars and light trucks from 1990+

Manual Air Conditioning & Heater System Diagnosis & Testing -> Express & Savana -> Precautions -> Air Bag System Disarming & Arming -> Battery Ground Cable
Vehicle: 2003 GMC Savana 3500 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 2003 GMC Savana 3500 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2003 GMC Savana 3500 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 GMC Savana 3500 cars and light trucks from 1990+

General Service Domestic Vehicles -> 2003-04 -> Refrigerant Recovery
Vehicle: 2003 GMC Savana 3500 6.0 V8 GAS

R-134a systems require the use of special service equipment designed specifically for R-134a systems. R-12 servicing equipment cannot be used on R-134a systems.

R-12 recovery stations cannot be used on R-134a systems. A separate recovery station must be used on R-134a systems. The refrigerants are not compatible and will contaminate the R-12 recovery station.

The use of refrigerant recovery and recycling stations allows the recovery and reuse of refrigerant after contaminants and moisture have been removed.

When using a recovery or recycling station...

CLICK HERE TO GET FULL ACCESS TO 2003 GMC Savana 3500 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2003 GMC Savana 3500 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 GMC Savana 3500 cars and light trucks from 1990+

Charging Valve Locations -> Domestic Light Trucks & Vans -> 2003-04
Vehicle: 2003 GMC Savana 3500 6.0 V8 GAS

[[table data]]

CLICK HERE TO GET FULL ACCESS TO 2003 GMC Savana 3500 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2003 GMC Savana 3500 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 GMC Savana 3500 cars and light trucks from 1990+

Component Replacement & Adjustment -> Express & Savana -> Water Pump, Replace -> 4.3L Engine -> 4.8L, 5.3L & 6.0L Engines
Vehicle: 2003 GMC Savana 3500 6.0 V8 GAS

4.3L Engine
  • Loosen duct clamp, then remove bolts and air cleaner.
  • Disconnect electrical connector, then remove mounting nuts and front passenger seat.
  • Remove mounting bolts and instrument panel lower extension.
  • Remove mounting bolts and knee bolsters.
  • Disconnect retainers and remove engine cover.
  • Remove mounting nut and air cleaner outlet duct from throttle body.
  • Disconnect Intake Air Temperature (IAT) sensor harness connector.
  • Loosen air cleaner outlet duct from Mass Air Flow (MAF) sensor.
  • Remove air cleaner outlet duct.
  • ...

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