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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 GMC Yukon XL 2500 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 2500 automobile. Try the Automotix DIY solution today!
We have info for following modifications of 2003 GMC Yukon XL 2500
- 2003 GMC Yukon XL 2500 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:U
- 2003 GMC Yukon XL 2500 8.1 V8 GAS, CID:496, Fuel Injection, Aspiration:496, Engine VIN:, Desg:G
BRAKE SERVICE PROCEDURES FOR 2003 GMC Yukon XL 2500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 GMC Yukon XL 2500 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 2500 8.1 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...
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BRAKE SERVICE PROCEDURES FOR 2003 GMC Yukon XL 2500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 GMC Yukon XL 2500 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 2500 6.0 V8 GAS
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...
CLICK HERE TO GET FULL ACCESS TO 2003 GMC Yukon XL 2500 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 GMC Yukon XL 2500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 GMC Yukon XL 2500 cars and light trucks from 1990+.
Power Brake Units -> Delco Brake Booster -> Power Brake Unit Replacement -> Aztek & Rendezvous -> C & K Series -> Express & Savana -> Montana, Silhouette, Trans Sport & Venture -> S & T Series -> Vue
Vehicle: 2003 GMC Yukon XL 2500 8.1 V8 GAS
Aztek & Rendezvous
- Remove coolant reservoir, then relieve fuel system pressure as outlined under. "Precautions."
- Remove cruise control cable from module, then disconnect electrical connector from cruise control module.
- Remove cruise control module from bracket, then the front end sheet metal diagonal brace.
- Remove PCM cover from air cleaner housing, then the PCM and set aside.
- Remove air cleaner intake duct, then bolts from air cleaner assembly and housing.
- Remove fuel lines from pipes and vapor line, then disconnect fluid level sensor switch from brake master cylinder.
- Disc...
CLICK HERE TO GET FULL ACCESS TO 2003 GMC Yukon XL 2500 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 GMC Yukon XL 2500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 GMC Yukon XL 2500 cars and light trucks from 1990+.
Disc Brakes -> Delco Dual Piston Sliding Caliper -> Troubleshooting
Vehicle: 2003 GMC Yukon XL 2500 6.0 V8 GAS
Refer to. "Troubleshooting" as ou...
CLICK HERE TO GET FULL ACCESS TO 2003 GMC Yukon XL 2500 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 GMC Yukon XL 2500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 GMC Yukon XL 2500 cars and light trucks from 1990+.
Power Brake Units -> Delco Brake Booster -> Description -> Operation -> Single Diaphragm Type -> Tandem (Dual) Diaphragm Type
Vehicle: 2003 GMC Yukon XL 2500 6.0 V8 GAS
In order to properly service power brake systems, a thorough understanding of the various power assist systems is required. These systems provide a mechanical assist, acting to increase the force applied to the master cylinder piston by the driver while decreasing the effort required to obtain acceptable stopping performance. Two basic types of power assist mechanisms are used: vacuum assist diaphragm assemblies which use engine vacuum and in some cases vacuum from an external vacuum pump, and hydraulic assist assemblies which use hydraulic pressure developed by an external pump (us...
CLICK HERE TO GET FULL ACCESS TO 2003 GMC Yukon XL 2500 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 GMC Yukon XL 2500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 GMC Yukon XL 2500 cars and light trucks from 1990+.
Power Brake Units -> Delco Brake Booster -> Power Brake Unit Service Replacement
Vehicle: 2003 GMC Yukon XL 2500 8.1 V8 GAS
The power brake uni...
CLICK HERE TO GET FULL ACCESS TO 2003 GMC Yukon XL 2500 BRAKE SERVICE PROCEDURES
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