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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 GMC Yukon XL 1500 car and truck
repair procedures including GMC engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
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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
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We have info for following modifications of 2003 GMC Yukon XL 1500
- 2003 GMC Yukon XL 1500 5.3 V8 GAS, CID:323, Fuel Injection, Aspiration:323, Engine VIN:, Desg:T
- 2003 GMC Yukon XL 1500 5.3 V8 FLEX, CID:323, Fuel Injection, Aspiration:323, Engine VIN:, Desg:Z
A/C & HEATER SERVICE PROCEDURES FOR 2003 GMC Yukon XL 1500 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 Yukon XL 1500 cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
Vehicle: 2003 GMC Yukon XL 1500 5.3 V8 GAS
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A/C & HEATER SERVICE PROCEDURES FOR 2003 GMC Yukon XL 1500 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 Yukon XL 1500 cars and light trucks from 1990+
General Service Domestic Vehicles -> 2003-04 -> Leak Test -> Electronic Leak Detectors -> Fluid Leak Detectors
Vehicle: 2003 GMC Yukon XL 1500 5.3 V8 FLEX
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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A/C & HEATER SERVICE PROCEDURES FOR 2003 GMC Yukon XL 1500 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 Yukon XL 1500 cars and light trucks from 1990+
Manual Air Conditioning & Heater System Diagnosis & Testing -> Avalanche, Escalade, Suburban, Tahoe & Yukon -> Component Diagnosis & Testing -> Blower Motor -> Control Panel
Vehicle: 2003 GMC Yukon XL 1500 5.3 V8 GAS
Blower Motor
Refer to "Diagnostic Tests" and for blower motor diagnosis an...
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A/C & HEATER SERVICE PROCEDURES FOR 2003 GMC Yukon XL 1500 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 Yukon XL 1500 cars and light trucks from 1990+
Component Replacement & Adjustment -> Avalanche, Escalade, Suburban, Tahoe & Yukon -> Accumulator, Replace
Vehicle: 2003 GMC Yukon XL 1500 5.3 V8 FLEX
- Recover refrigerant as outlined in .
- Remove mounting nut and evaporator tube.
- Disconnect low pressure switch electrical connector.
- Remove mounting nuts and compressor hose.
- Remove mounting nut, bracket and accumulator.
- Remove mounting bolt and accumulator. Discard O-ring ...
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A/C & HEATER SERVICE PROCEDURES FOR 2003 GMC Yukon XL 1500 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 Yukon XL 1500 cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Domestic Vehicles
Vehicle: 2003 GMC Yukon XL 1500 5.3 V8 GAS
CLICK HERE TO GET FULL ACCESS TO 2003 GMC Yukon XL 1500 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 GMC Yukon XL 1500 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 Yukon XL 1500 cars and light trucks from 1990+
Computer Relearn Procedures -> General Motors Corp. -> 1997-98 -> 1998-2000 -> 1998-99 -> 1999-2001 -> 1999-2002 -> 2.2L & 2.4L Engines -> 2000-02 -> 2000-04 -> 2001-02 -> 2001-04 -> 3.1L, 3.4L, 3800/3.8L, 4.0L & 4.6L Engines -> 3.5L Engine -> 5.7L Engine -> Achieva, Alero, Grand Am & Skylark -> Achieva, Cavalier, Skylark & Sunfire -> Alero & Grand Am -> Alero & Malibu -> Aurora -> Aurora, Bonneville, DeVille, LeSabre & Seville -> Aurora, Bonneville, Grand Prix, LeSabre & Park Avenue -> Auto Learn Passlock Procedure -> Body Control Module (BCM) -> Bonneville -> Bonneville, Eighty Eight, LeSabre, LSS & Park Avenue -> C & K Series w/Diesel Engine -> C & K Trucks w/Diesel Engine -> Camaro & Firebird -> Catera -> Cavalier & Sunfire -> Century -> Century, Grand Prix, Impala, Intrigue, Lumina, Monte Carlo & Regal -> Century, Impala, Intrigue, Monte Carlo & Regal -> Corvette -> Crankshaft Position System Variation Learn -> Cutlass & Malibu -> Dash Integration Module (DIM) -> DeVille -> DeVille, Eldorado & Seville -> EEPROM -> Eldorado -> Engine Control Module (ECM) -> Engine Performance -> Except Park Avenue -> Grand Am -> Grand Prix & Regal -> Impala & Monte Carlo -> Instrument Panel Integration Module (IPM) -> Intrigue -> LeSabre -> Less Tech 2 Or Techline Terminal -> Light Truck & Vans -> Park Avenue -> Passenger Cars -> Passkey Module -> Passlock Learn Procedure -> PCM -> Powertrain Control Module (PCM) -> Powertrain Control Module (PCM) & Vehicle Control Module (VCM) -> Rear Integration Module -> Riviera -> Seville -> T50/T60/T20+ -> TDC Offset Adjustment -> Theft Deterrent System Programming -> VCM -> With Tech 2 -> With Techline Terminal & Scan Tool
Vehicle: 2003 GMC Yukon XL 1500 5.3 V8 GAS
Passenger Cars
Body Control Module (BCM)
Alero & Grand Am
This procedure must be performed if the BCM, Passlock sensor or PCM is replaced. If BCM is not properly programmed, it will not control all the features properly.
- Ensure battery is fully charged and ignition switch is in the ON position.
- Connect a suitably programmed Tech II, or equivalent, scan tool to Data Link Connector (DLC).
- Access scan tool "Special Functions" menu and follow scan tool instructions to program BCM.
- If BCM fails to accept the pr...
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