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2008 GMC Yukon XL 1500 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Brake Service
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
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
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 GMC Yukon XL 1500 automobile. Try the Automotix DIY solution today!
BRAKE SERVICE PROCEDURES FOR 2008 GMC Yukon XL 1500 AUTOMOBILES
Hydraulic Brake Systems -> Adjustments -> Height Sensing Proportioning Valve
Vehicle: 2008 GMC Yukon XL 1500 SLE 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...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2008 GMC Yukon XL 1500 AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2008 GMC Yukon XL 1500 SLT 5.3 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 axle remover tool No. J 45859 or equivalent, press wheel drive shaft from hub.
- Remove bolts securing wheel drive s...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 GMC Yukon XL 1500 AUTOMOBILES
Component Locations
Vehicle: 2008 GMC Yukon XL 1500 SLT 5.3 V8 FLEX
Refer to ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2008 GMC Yukon XL 1500 AUTOMOBILES
Alternator, Replace
Vehicle: 2008 GMC Yukon XL 1500 SLT 6.0 V8 GAS
- Disconnect battery ground cable.
- Remove intake manifold sight shield from ball studs.
- Remove positive crankcase ventilation line from air cleaner outlet duct.
- Remove radiator inlet hose clamp retainer from outlet duct.
- Remove radiator vent inlet hose retainer from outlet duct.
- Loosen air cleaner outlet duct clamps at mass air flow intake air temperature sensor and at throttle body.
- Remove air cleaner outlet duct from throttle body and MAF/IA...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2008 GMC Yukon XL 1500 AUTOMOBILES
General Motors Corp./Saturn Trucks -> Change Oil, Change Oil Now Or Change Oil Soon Lamp & Messages -> 2007-09 Avalanche, Suburban, Tahoe, Yukon & Yukon XL -> Less Driver Information Center (DIC) -> With Driver Information Center (DIC)
Vehicle: 2008 GMC Yukon XL 1500 SLE 5.3 V8 FLEX
Less Driver Information Center (DIC)
- Turn ignition On, but do not start engine.
- Fully depress and release accelerator pedal three times within five seconds.
- Place the ignition switch in the Off position.
- If the Change Oil Soon Message comes back On when starting the vehicle, the Engine Oil Life system has not reset. Repeat the procedure to reset the Engine Oil Life system
With Driver Information Center...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2008 GMC Yukon XL 1500 AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2008 GMC Yukon XL 1500 SLT 5.3 V8 FLEX
Inlet
- Drain cooling system into a suitable container.
- Remove air intake tube.
- Remove heater and surge tank hoses from mounting clip.
- Release clamp on heater inlet hose at heater core.
- Remove hose from heater core.
- Release clamp on heater inlet hose at water pump.
- Remove hose from water pump.
- Remove hose from vehicle.
- Reverse procedure to...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2008 GMC Yukon XL 1500 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2008 GMC Yukon XL 1500 SLT 6.0 V8 GAS
- Rotate tensioner clockwise to release belt tension using suitable wrench, then remove belt.
- Route belt over pulleys excep...
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COMPONENT LOCATION DIAGRAMS FOR 2008 GMC Yukon XL 1500 AUTOMOBILES
Component location diagrams for most 2008 GMC Yukon XL 1500 cars and light trucks sold in the U.S. from 1990+.
 Body Components Diagram for 2008 GMC Yukon XL 1500 SLT 5.3 V8 FLEXComponents on diagram: |
 Console Diagram for 2008 GMC Yukon XL 1500 SLT 6.0 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2008 GMC Yukon XL 1500 AUTOMOBILES
OEM drawn wiring diagrams for most 2008 GMC Yukon XL 1500 cars and light trucks sold in the U.S.
 2008 GMC Yukon XL 1500 SLE 6.0 V8 GAS Wiring DiagramComponents on diagram: |
 2008 GMC Yukon XL 1500 SLT 5.3 V8 FLEX Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 GMC Yukon XL 1500 AUTOMOBILES
OEM TSB listings for most 2008 GMC Yukon XL 1500 cars and light trucks sold in the U.S. from 1985+.
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Document: EI07082-Power Steering Fluid Leaking from Power Steering Gear/Rack Assembly Vehicle: 2008 GMC Yukon XL 1500 SLE 5.3 V8 FLEX Symptoms: |
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Document: GM of Canada New Vehicle Limited Warranty Tire Program Vehicle: 2008 GMC Yukon XL 1500 SLE 5.3 V8 FLEX Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 GMC Yukon XL 1500 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 GMC Yukon XL 1500 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 2008 GMC Yukon XL 1500 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 2008 GMC Yukon XL 1500 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 2008 GMC Yukon XL 1500 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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