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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2008 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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procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
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your 2008 GMC Yukon XL 1500 automobile. Try the Automotix DIY solution today!
We have info for following modifications of 2008 GMC Yukon XL 1500
- 2008 GMC Yukon XL 1500 SLE 5.3 V8 FLEX, CC:5328, CID:325, Fuel Injection, Aspiration:325, Engine VIN:, Desg:0
- 2008 GMC Yukon XL 1500 SLE 5.3 V8 GAS, CC:5328, CID:325, Fuel Injection, Aspiration:325, Engine VIN:, Desg:J
- 2008 GMC Yukon XL 1500 SLE 5.3 V8 FLEX, CC:5328, CID:325, Fuel Injection, Aspiration:325, Engine VIN:, Desg:3
- 2008 GMC Yukon XL 1500 SLE 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:Y
- 2008 GMC Yukon XL 1500 SLT 5.3 V8 FLEX, CC:5328, CID:325, Fuel Injection, Aspiration:325, Engine VIN:, Desg:0
- 2008 GMC Yukon XL 1500 SLT 5.3 V8 GAS, CC:5328, CID:325, Fuel Injection, Aspiration:325, Engine VIN:, Desg:J
- 2008 GMC Yukon XL 1500 SLT 5.3 V8 FLEX, CC:5328, CID:325, Fuel Injection, Aspiration:325, Engine VIN:, Desg:3
- 2008 GMC Yukon XL 1500 SLT 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:Y
- 2008 GMC Yukon XL 1500 Denali 6.2 V8 GAS, CC:6199, CID:378, Fuel Injection, Aspiration:378, Engine VIN:, Desg:8
BRAKE SERVICE PROCEDURES FOR 2008 GMC Yukon XL 1500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2008 GMC Yukon XL 1500 cars and light trucks from 1990+.
Power Brake Units -> Delco Brake Booster -> Brake System Bleed -> Hydraulic System Flush -> Manual Bleed -> Master Cylinder Bleed -> Pressure Bleed
Vehicle: 2008 GMC Yukon XL 1500 SLT 5.3 V8 FLEX
Manual Bleed
- If vehicle is equipped with power brakes, remove vacuum reserve by applying brakes several times with engine off.
- Fill master cylinder reservoirs with suitable brake fluid. Ensure to always keep master cylinder reservoirs at least half full during entire bleeding procedure.
- If master cylinder is suspected to have air in bore, it must be bled first. To bleed master cylinder, proceed as follows:
- Disconnect forward brake pipe connection at master cylinder.
- Allow brake fluid to fill master cylinder bore until it begins to flow from forward pipe connector port.
- Connect and ...
CLICK HERE TO GET FULL ACCESS TO 2008 GMC Yukon XL 1500 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2008 GMC Yukon XL 1500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2008 GMC Yukon XL 1500 cars and light trucks from 1990+.
Power Brake Units -> Delco Brake Booster -> General Service
Vehicle: 2008 GMC Yukon XL 1500 SLT 5.3 V8 GAS
Certain general service procedures apply, regardless of whether the brakes are vacuum or hydraulically assisted. Only top quality, clean brake fluid should be used. More seals and valves are used with power brake systems than with ordinary brakes, so an inferior brake fluid will do much more damage. For the same reason, ensure all dirt is kept out of the system. Additionally, on models with hydraulic assist brakes, care must be taken not to mix the fluids of the booster hydraulic system and brake hydraulic system as the fluids are not compatible.
If the power unit fails, the brak...
CLICK HERE TO GET FULL ACCESS TO 2008 GMC Yukon XL 1500 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2008 GMC Yukon XL 1500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2008 GMC Yukon XL 1500 cars and light trucks from 1990+.
Disc Brakes -> Delco Dual Piston Sliding Caliper -> Troubleshooting -> Brake Rattle -> Brake Roughness Or Chatter; Pedal Pumping -> Caliper Brake Fluid Leak -> Excessive Pedal Effort -> Excessive Pedal Travel -> Heavy Brake Drag -> No Braking Effect When Brake Pedal Is Depressed -> Pull, Uneven Or Grabbing Brakes -> Rear Brakes Locking On Application
Vehicle: 2008 GMC Yukon XL 1500 SLT 5.3 V8 FLEX
Excessive Pedal Travel
- Worn brake linings.
- Disc pads knock back after cornering or rough road travel.
- Piston and linings not properly seated or positioned.
- Insufficient fluid in system.
- Loose wheel bearing adjustment.
- Damaged or worn caliper piston seal.
- Improper booster pushrod adjustment.
- Pads out of flat more than .005 inch.
- Rear brake automatic adjusters inoperative.
- Improperly ground rear brake shoes.
Brake Roughness Or Chatter; Pedal Pumping
- Excessive lateral runout of rotor.
- Rotor excessively out of parallel.
Excessive Pedal Effort
- Frozen or seized pistons.
- Brake fluid, oil or grease on ...
CLICK HERE TO GET FULL ACCESS TO 2008 GMC Yukon XL 1500 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2008 GMC Yukon XL 1500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2008 GMC Yukon XL 1500 cars and light trucks from 1990+.
Power Brake Units -> Delco Brake Booster -> General Service
Vehicle: 2008 GMC Yukon XL 1500 SLT 5.3 V8 FLEX
Certain general service procedures apply, regardless of whether the brakes are vacuum or hydraulically assisted. Only top quality, clean brake fluid should be used. More seals and valves are used with power brake systems than with ordinary brakes, so an inferior brake fluid will do much more damage. For the same reason, ensure all dirt is kept out of the system. Additionally, on models with hydraulic assist brakes, care must be taken not to mix the fluids of the booster hydraulic system and brake hydraulic system as the fluids are not compatible.
If the power unit fails, the brak...
CLICK HERE TO GET FULL ACCESS TO 2008 GMC Yukon XL 1500 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2008 GMC Yukon XL 1500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2008 GMC Yukon XL 1500 cars and light trucks from 1990+.
Anti-Lock Brakes -> Bosch ABS/EBD/TCS/VSES -> Diagnosis & Testing -> Accessing Diagnostic Trouble Code -> Clearing Diagnostic Trouble Codes -> Connector Pin Identification -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> Intermittents & Poor Connections -> Symptom Tests
Vehicle: 2008 GMC Yukon XL 1500 SLE 5.3 V8 GAS
Accessing Diagnostic Trouble Code
Connect a suitably programmed scan tool to Data Link Connector (DLC) and follow manufacturers instructions.
Diagnostic Trouble Code Interpretation
Refer to "Diagnostic Tests" for trouble code interpretation.
Connector Pin Identification
Refer to Figs. through for connector pin identifications.
Diagnostic Tests
[[table data]]Symptom Tests
Refer to Figs. and for symptom diagnosis.
Intermittents & Poor Connections
Most Intermittents are caused by faulty electrical connections or wiring, although a...
CLICK HERE TO GET FULL ACCESS TO 2008 GMC Yukon XL 1500 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2008 GMC Yukon XL 1500 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2008 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: 2008 GMC Yukon XL 1500 SLE 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...
CLICK HERE TO GET FULL ACCESS TO 2008 GMC Yukon XL 1500 BRAKE SERVICE PROCEDURES
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