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Get Full Access 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 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 Yukon XL 1500 automobile. Try the Automotix DIY solution today!
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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 -> Tightening Specifications
Vehicle: 2003 GMC Yukon XL 1500 5.3 V8 FLEX

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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 -> Description
Vehicle: 2003 GMC Yukon XL 1500 5.3 V8 FLEX

The caliper mounts in a way that allows the caliper to move laterally inboard as the brake pads wear. The caliper housing is a one piece casting with the inboard side containing the piston bore. The piston seal also acts as a return mechanism for the piston.

Applying the brake pedal causes the hydraulic pressure that moves the caliper piston. The piston then forces the inboard brake pad against the inboard braking surface of the rotor. Increasing the force against...

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 -> Description
Vehicle: 2003 GMC Yukon XL 1500 5.3 V8 GAS

When wheel slip is detected during a brake application, the ABS enters anti-lock mode. During anti-lock braking, hydraulic pressure in the individual wheel circuits is controlled to prevent any wheel from slipping. A separate hydraulic line and specific solenoid valves are provided for each wheel. The ABS can decrease, hold, or increase hydraulic pressure to each wheel brake. The ABS cannot, however, increase hydraulic pressure above the amount which is transmitted by the master cylinder during braking.

During anti-lock braking, a series of rapid pulsations is felt in the brake pedal...

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
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Avalanche, Escalade, Escalade EXT, Suburban, Tahoe & Yukon
2002
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2003-06
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Bravada, Envoy, Rainier & Trailblazer
2002-03
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2004-06
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Express & Savana
2002
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2003-06
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Sierra & Silverado
2002
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2003-06
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Connector Pin Identification

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Diagnostic Tests

Astro, Blazer, Jimmy, Safari, Sonoma, SSR & S10
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Avalanche, Escalade, Escalade EXT, Suburban, Tahoe & Yukon
2002
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2003-06
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Bravada, Envoy, Rai...
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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+.

Power Brake Units -> Bendix Brake Booster -> Power Brake Unit Service -> Accumulator Service -> Assemble -> Booster Bleed -> Cleaning & Inspection -> Disassemble
Vehicle: 2003 GMC Yukon XL 1500 5.3 V8 GAS

Disassemble

  • Place accumulator compressor tool No. J-26889, or equivalent, around end of accumulator.
  • Install nut onto stud as in. Fig. , then depress accumulator with a C-clamp.
  • Remove retainer by using a punch.
  • Release C-clamp and remove accumulator compressor tool.
  • Remove accumulator, O-ring, retainer, plug and spring,. Fig. .
  • Remove retainer, output pushrod, baffle, piston return spring and retainer.
  • Cut off eyelet of pedal rod, then remove boot.
  • Remove nut, bracket and bolts, then separate cover from housing.
  • Remove piston assembly and seals.
  • Remove spool valve, then the accu...

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 -> Description -> Hydraulic Control Valves -> Master Cylinder
Vehicle: 2003 GMC Yukon XL 1500 5.3 V8 FLEX

Master Cylinder

Some vehicles use a conventional tandem master cylinder with two hydraulic pistons operating in-line. The primary piston controls the front brake system and the secondary piston controls the rear brake system.

Other models use a master cylinder that operates the same as the conventional master cylinder, but also incorporates a quick take-up feature in the rear chamber to reduce excessive pedal travel which may result from increased fluid displacement required to move the low drag caliper piston out against the rotor.

The quick take-up uses a spring-loaded ball check val...

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

Click here to view more details about 2005 GMC Yukon XL 1500 Door Handle, Front, Driver Side2005 GMC Yukon XL 1500 Door Handle, Front, Driver Side, With keyhole; A high quality, OE replacement door handle; Backed by 1-year, unlimited-mileage warranty..

Source: Auto Body Parts Store

$12.06

Click here to view more details2000 GMC Yukon XL 1500 Mirror Switch, Blade type; 8-prong male terminal; A high quality, OE replacement mirror switch; With 1-year limited TruckEFX warranty..

Source: Auto Body Parts Store

$31.08

Click here to view more details2012 GMC Canyon Driver Side Tail Light Assembly, Driver Side Tail Light Assembly; Includes Wiring Harness, , .

Source: Wheels / Rims, Mirrors & Lights Store

$34.50

Click here to view more details2002 GMC Yukon XL 1500 V8, 5.3 L, 323 CID Rebuilt Engine, 5.3 CHEVY,GMC, Warranty: 3-Year/100,000 Mile, .

Source: Rebuilt Engines Store

$1,866.00

Click here to view more details2001 GMC Yukon XL 1500 Used Bumper Cover, Front, 4DR, Black, SLT 2S1, 5S1, Average.

Source: Used Auto Parts Store

$247.00

Click here to view more details2000 GMC Yukon XL 1500 Used Fan Clutch, 4.3, AUTO, 4X2 ID BF, Very Good.

Source: Used Auto Parts Store

$66.00
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