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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
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
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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
BRAKE SERVICE PROCEDURES FOR 2003 GMC Yukon XL 1500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 GMC Yukon XL 1500 cars and light trucks from 1990+.
Disc Brakes -> Delco Dual Piston Sliding Caliper -> Precautions -> Brake Disc Service -> Brake Lines & Linings -> Brake Roughness -> General
Vehicle: 2003 GMC Yukon XL 1500 5.3 V8 FLEX
Brake Lines & Linings
Remove one of the front wheels and inspect the brake disc, caliper and linings.
Do not allow any oil or grease on the linings. It is recommended that linings be replaced in sets when worn or damaged.
If the caliper is cracked or fluid leakage through the casting is evident, it must be replaced as a unit.
Brake Roughness
The most common cause of brake chatter on disc brakes is a variation in thickness of the disc. If roughness or vibration is encountered during highway operation or if pedal pumping is experienced at low speeds, the disc may have excessive thickness v...
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BRAKE SERVICE PROCEDURES FOR 2003 GMC Yukon XL 1500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 GMC Yukon XL 1500 cars and light trucks from 1990+.
Power Brake Units -> Bendix Brake Booster -> Power Brake Unit Replacement -> Astro & Safari -> C & K Series -> Express & Savana -> P Series
Vehicle: 2003 GMC Yukon XL 1500 5.3 V8 FLEX
Astro & Safari
- Apply parking brake.
- Disconnect reservoir and power steering hoses from booster.
- Remove master cylinder to brake booster retaining nuts.
- Position and support master cylinder away from booster.. Do not remove hydraulic lines from master cylinder.
- Remove booster rod from top of brake pedal.
- Remove booster mounting nuts from inside of vehicle.
- Remove booster assembly and gasket.
- Reverse procedure to install, noting the following:
- Torque booster mounting nuts to 27 ft. lbs.
- Torque master cylinder retaining nuts to 27 ft. lbs.
- Torque power steering hoses to booster n...
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BRAKE SERVICE PROCEDURES FOR 2003 GMC Yukon XL 1500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 GMC Yukon XL 1500 cars and light trucks from 1990+.
Anti-Lock Brakes -> Kelsey-Hayes -> System Service -> Brake Pressure Modulator Valve (BPMV) -> Brake System Bleed -> Component Replacement -> Electronic Brake Control Module (EBCM) -> Front Wheel Speed Sensor -> Manual Bleed -> Pressure Bleed
Vehicle: 2003 GMC Yukon XL 1500 5.3 V8 GAS
Brake System Bleed
Gravity and vacuum bleeding procedures are not recommended for use with the anti-lock brake system. The manual bleed procedure is the preferred method, although pressure bleeding is also possible. Do not pump the brake pedal during the bleeding process, as fluid aeration may occur.
Manual Bleed
- Raise and support vehicle, then connect a clear plastic tube to brake bleed screw at righthand rear wheel.
- Place free end of tube in a glass jar partially filled with clean brake fluid. Ensure end of tube remains submerged in fluid and master cylinder reservoir is kept full.
- ...
CLICK HERE TO GET FULL ACCESS TO 2003 GMC Yukon XL 1500 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 GMC Yukon XL 1500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 GMC Yukon XL 1500 cars and light trucks from 1990+.
Anti-Lock Brakes -> Kelsey-Hayes -> Diagnosis & Testing -> 2002 -> 2002-03 -> 2003-06 -> 2004-06 -> Accessing Diagnostic Trouble Codes -> Astro, Blazer, Jimmy, Safari, Sonoma, SSR & S10 -> Avalanche, Escalade, Escalade EXT, Suburban, Tahoe & Yukon -> Bravada, Envoy, Rainier & Trailblazer -> Clearing Diagnostic Trouble Codes -> Connector Pin Identification -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> Express & Savana -> Intermittents & Poor Connections -> Sierra & Silverado -> Symptom Tests -> Temperature Vs. Resistance
Vehicle: 2003 GMC Yukon XL 1500 5.3 V8 GAS
Accessing Diagnostic Trouble Codes
Connect a suitably programmed scan tool to Data Link Connector (DLC) and follow manufacturers instructions.
Diagnostic Trouble Code Interpretation
Astro, Blazer, Jimmy, Safari, Sonoma, SSR & S10
[[table data]]Avalanche, Escalade, Escalade EXT, Suburban, Tahoe & Yukon
2002
[[table data]]2003-06
[[table data]]Bravada, Envoy, Rainier & Trailblazer
2002-03
[[table data]]2004-06
[[table data]]Express & Savana
2002
[[table data]]2003-06
[[table data]]Sierra & Silverado
2002
[[table data]]2003-06
[[table data]]Connector Pin Identification
[[table data]]Diagnostic Tests
Astro, Blazer, Jimmy, Safari, Sonoma, SSR & S10
[[table data]]Avalanche, Escalade, Escalade EXT, Suburban, Tahoe & Yukon
2002
[[table data]]2003-06
[[table data]]Bravada, Envoy, Rai...
[[table data]] [[table data]] [[table data]] [[table data]] [[table data]] [[table data]] [[table data]] [[table data]] [[table data]] [[table data]] [[table data]] [[table data]] [[table data]] [[table data]] [[table data]]CLICK HERE TO GET FULL ACCESS TO 2003 GMC Yukon XL 1500 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 GMC Yukon XL 1500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 GMC Yukon XL 1500 cars and light trucks from 1990+.
Hydraulic Brake Systems -> Adjustments -> Height Sensing Proportioning Valve
Vehicle: 2003 GMC Yukon XL 1500 5.3 V8 GAS
Height Sensing Proportioning Valve
The height sensing proportioning valve must be adjusted whenever the valve and/or linkage is disassembled or removed for service. In addition, adjustment should be inspected if excessive front wheel lock-up is experienced with a lower than desired brake application rate when vehicle is at or near maximum GVWR.
- Raise and support vehicle, leave wheels on and allow axle to hang freely.
- Remove lever retaining nut and disconnect lever from valve shaft,. Fig. .
- Rotate valve shaft to permit installation of correct adjustment gauge,. Fig. , ensure D shaped hol...
CLICK HERE TO GET FULL ACCESS TO 2003 GMC Yukon XL 1500 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 GMC Yukon XL 1500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 GMC Yukon XL 1500 cars and light trucks from 1990+.
Disc Brakes -> Delco Dual Piston Sliding Caliper -> Troubleshooting
Vehicle: 2003 GMC Yukon XL 1500 5.3 V8 FLEX
Refer to. "Troubleshooting" as ou...
CLICK HERE TO GET FULL ACCESS TO 2003 GMC Yukon XL 1500 BRAKE SERVICE PROCEDURES
Shop online for auto body parts, engines, wheels, lights...
 | 2005 GMC Yukon XL 1500 Parking Light, Driver Side, Bulbs not included; DOT and SAE approved; A high quality, OE replacement parking light; Backed by 1-year, unlimited-mileage warranty.. | $6.61 |
 | 2005 GMC Yukon XL 1500 Mirror, Driver Side. | $76.67 |
 | 2008 GMC Yukon XL 18" X 8" Steel Wheel, STEEL WHEEL, 18 X 8, 6 STUDS/LUGS, 5.5" BOLT DIA, 18 ROUND VENTS, SILVER, , . | $64.45 |
 | 2002 GMC Yukon XL 1500 V8, 5.3 L, 323 CID Rebuilt Engine, 5.3 CHEVY,GMC, Warranty: 7-Year/70,000 Mile, . | $2,265.00 |
 | 2000 GMC Yukon XL 1500 Used Upper Control Arm, Rear, Passenger Side, 5.3, AUTO, 4X4, Very Good. | $83.00 |
| 2006 GMC Yukon XL 1500 Used Intake Manifold, 5.3L, Very Good. | $221.00 |
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