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2002 GMC Yukon XL 2500 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 2002 GMC Yukon XL 2500 AUTOMOBILES
Electric Cooling Fans -> Light Duty Trucks & Vans -> Component Replacement -> Aztek -> Electric Cooling Fan
Vehicle: 2002 GMC Yukon XL 2500 8.1 V8 GAS
Electric Cooling Fan
Aztek
- Partially drain cooling system into a suitable container.
- Disconnect cooling fan electrical connector.
- Loosen engine mount strut bolts on engine side.
- Remove engine mount strut bracket brace bolts from upper radiator support, then rotate struts and bracket rearward.
- Remove air cleaner and duct assembly.
- Remove upper radiator hose.
- Remove cooling fan shroud bolts.
- Remove transaxle oil cooler lines from retainers.
- Reposition wiring harness at upper radiator support to gain acce...
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BRAKE SERVICE PROCEDURES FOR 2002 GMC Yukon XL 2500 AUTOMOBILES
Power Brake Units -> Bendix Brake Booster -> General Service
Vehicle: 2002 GMC Yukon XL 2500 8.1 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, 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 brakes will still operate, as the convention...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2002 GMC Yukon XL 2500 AUTOMOBILES
General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Replacement -> Gasoline Engines Except Equinox, Montana SV6, Relay, Rendezvous w/3.6L Engine, Terraza, Uplander & Vue (2004-06) & 2004-06 Envoy, Rainier & TrailBlazer -> Returnless Fuel System
Vehicle: 2002 GMC Yukon XL 2500 6.0 V8 GAS
Returnless Fuel System
On models equipped with fuel injected engines, relieve fuel system pressure as outlined under "Fuel System Pressure Relief."
On models equipped with metal collar quick disconnect connectors, GM tool No. J37088-A, or equivalent, will be required to disconnect the connector. Pri...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2002 GMC Yukon XL 2500 AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2002 GMC Yukon XL 2500 6.0 V8 GAS
- Raise and support vehicle.
- Remove wheel and tire assembly.
- Remove drive axle center cap, if equipped.
- Insert a drift or large screwdriver through brake caliper into one of the brake rotor vanes in order to prevent drive axle wheel drive shaft from turning.
- Remove nut and washer from hub. Do not reuse nut. A new nut must be used when installing wheel drive shaft.
- Using J 45859 or equivalent, press wheel drive shaft from hub.
- Remove bolts securing wheel drive shaft ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2002 GMC Yukon XL 2500 AUTOMOBILES
Starter, Replace
Vehicle: 2002 GMC Yukon XL 2500 8.1 V8 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Disconnect starter battery positive cable and wiring harness.
- Remove starter motor mounting bolts, washers, shims, starter and heat shield from vehicle.
- Rever...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2002 GMC Yukon XL 2500 AUTOMOBILES
Cabin Air Filter Service -> General Motors Corp./Saturn -> 1999-2007 Silverado, Sierra, 2000-07 Denali, Suburban, Tahoe, Yukon, Yukon XL, 2001-07 Escalade & 2002-07 Avalanche
Vehicle: 2002 GMC Yukon XL 2500 8.1 V8 GAS
Under normal operating conditions the cabin air filter should be replaced every 15,000 miles. In dusty areas change the cabin air filter more often.
- Remove the righthand instrument panel hush panel.
- Remove the A/C and heater modul...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2002 GMC Yukon XL 2500 AUTOMOBILES
General Motors Corp./Saturn Trucks -> Anti-Lock Brake System Warning Lamp ->
Vehicle: 2002 GMC Yukon XL 2500 8.1 V8 GAS
This lamp should light for approximately 6-8 seconds when the ignition is turned On as a bulb check. If the warn...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2002 GMC Yukon XL 2500 AUTOMOBILES
Radiator, Replace
Vehicle: 2002 GMC Yukon XL 2500 8.1 V8 GAS
- Drain radiator coolant into suitable container.
- Remove upper and lower radiator hoses.
- Remove mounting bolts and lower fan shroud.
- Remove engine vent hose and surge take hose.
- Disconnect engine oi...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2002 GMC Yukon XL 2500 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2002 GMC Yukon XL 2500 8.1 V8 GAS
- Rotate tensioner counterclockwise, using suitab...
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COMPONENT LOCATION DIAGRAMS FOR 2002 GMC Yukon XL 2500 AUTOMOBILES
Component location diagrams for most 2002 GMC Yukon XL 2500 cars and light trucks sold in the U.S. from 1990+.
RF Corner of the Vehicle, Lighting Components Diagram for 2002 GMC Yukon XL 2500 6.0 V8 GAS Components on diagram: |
Engine Oil Level Switch Diagram for 2002 GMC Yukon XL 2500 8.1 V8 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2002 GMC Yukon XL 2500 AUTOMOBILES
OEM drawn wiring diagrams for most 2002 GMC Yukon XL 2500 cars and light trucks sold in the U.S.
2002 GMC Yukon XL 2500 8.1 V8 GAS Wiring Diagram Components on diagram: |
2002 GMC Yukon XL 2500 8.1 V8 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2002 GMC Yukon XL 2500 AUTOMOBILES
OEM TSB listings for most 2002 GMC Yukon XL 2500 cars and light trucks sold in the U.S. from 1985+.
Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2002 GMC Yukon XL 2500 6.0 V8 GAS Auto Systems: |
Document: New Website for AFIT, TPM, and VDR Updates Vehicle: 2002 GMC Yukon XL 2500 6.0 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2002 GMC Yukon XL 2500 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2002 GMC Yukon XL 2500 cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 2002 GMC Yukon XL 2500 cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 2002 GMC Yukon XL 2500 cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 2002 GMC Yukon XL 2500 cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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