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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 GMC Savana 3500 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 2003 GMC Savana 3500 automobile. Try the Automotix DIY solution today!
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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+

Component Replacement & Adjustment -> Express & Savana -> Technical Service Bulletins -> 2003 Express & Savana -> 2003-04 Express & Savana -> Poor Air Conditioning Performance -> Underhood Rattle Noise Heard On Acceleration
Vehicle: 2003 GMC Savana 3500 6.0 V8 GAS

Underhood Rattle Noise Heard On Acceleration

2003-04 Express & Savana

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 compr...

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+

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

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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+

Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
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+

Manual Air Conditioning & Heater System Diagnosis & Testing -> Technical Service Bulletins -> Poor Air Conditioning Performance -- Will Not Blow Cold Enough -> 2003 Sierra & Silverado
Vehicle: 2003 GMC Savana 3500 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 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 -> Leak Test -> Electronic Leak Detectors -> Fluid Leak Detectors
Vehicle: 2003 GMC Savana 3500 6.0 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

...

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 -> Heater Core, Replace -> Front -> Rear
Vehicle: 2003 GMC Savana 3500 6.0 V8 GAS

Front

  • Drain engine coolant into suitable container.
  • Disconnect clamps, then remove heater core inlet and outlet hoses.
  • Remove case mounting screws and open heater core access door.
  • Cut marked section of heater core access door.
  • Remove mounting screws and heater core.
  • Reverse procedure to install, noting the following:
    • Torque heater core mo...

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Shop online for auto body parts, engines, wheels, lights...

Click here to view more details2008 GMC Savana 3500 Shock Absorber and Strut Assembly, Front.

Source: Auto Body Parts Store

$34.32

Click here to view more details about 2005 GMC Savana 3500 Mirror, Passenger Side2005 GMC Savana 3500 Mirror, Passenger Side, This OE replacement mirror is primered and made of the highest quality, rust and corrosion resistant materials to withstand all types of weather. Item is backed by 2-year Kool Vue limited warranty.</p><p><b><i>Specifications</i></b>:<ul><li type="circle">8-hole, 8-prong connector</li><li type="circle">With in-housing signal light</li></ul></p><p><b>Kool Vue</b> specializes in producing mirrors for all vehicle makes and models; our mirrors go through rigorous testing that includes 35,000 hours of Weather Testing, 500 Swing Tests and Impact, Pull Tension, Reflection and Vibration testing to make sure you purchase the highest quality mirrors. You can't go wrong with Kool Vue Mirrors!</p>.

Source: Auto Body Parts Store

$54.14

Click here to view more details2010 GMC Sierra Pickup 17" Wheel Cover, WHEEL COVER, 17 INCHES, 5 SPOKES, DUALLY REAR, CHROME, SLOTS, FRONT/REAR, ARGENT, , .

Source: Wheels / Rims, Mirrors & Lights Store

$38.45

Click here to view more details2004 GMC Savana 3500 V8, 4.8 L, 292 CID Rebuilt Engine, 4.8 OHV V-8, Warranty: 7-Year/70,000 Mile, .

Source: Rebuilt Engines Store

$1,845.00

Click here to view more details2008 GMC Savana 3500 Used A/C Compressor, 5.3, AUTO, AWD 5.3L, Very Good.

Source: Used Auto Parts Store

$159.00

Click here to view more details2009 GMC Savana 3500 Used Rear Axle Assembly, 6.0, AUTO, RWD, 3500, 9 1/2RG, 3.73, GT4, LOCK, Very Good.

Source: Used Auto Parts Store

$903.00
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