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2008 GMC Sierra 2500 HD CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC REPAIR SHOPS DON'T WANT YOU TO KNOW

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!

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    Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2008 GMC Sierra 2500 HD 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 Sierra 2500 HD automobile. Try the Automotix DIY solution today!
    DIY REPAIR SAMPLES > CONTINUE EXPLORING >
    Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for GMC mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 2008 GMC Sierra 2500 HD vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

    BRAKE SERVICE PROCEDURES FOR 2008 GMC Sierra 2500 HD AUTOMOBILES

    Drum Brakes -> Brake Service -> Canyon, Colorado, Sierra & Silverado -> HHR -> Installation -> Removal -> Vue
    Vehicle: 2008 GMC Sierra 2500 HD WT 6.6 V8 DIESEL

    Vue

    Removal
    • Raise and support vehicle.
    • Mark relationship of drum to hub.
    • Remove and discard retaining clip.
    • Remove brake drum. If brake drum does not come off easily, proceed as follows:
      • Loosen parking brake cable.
      • Remove backing plate access hole plug.
      • Disengage self adjuster by inserting suitable flat-bladed tool through backing plate access hole.
      • Loosen adjuster screw by inserting another flat-bladed tool through access hole .
      • Install access hole plug.
      • Apply small amount of penetrating oil around brake drum center hole.
      • Remove brake drum.
    • Disengage adjuster spring hook end from tab on adjus...

    CLICK HERE TO GET FULL ACCESS TO 2008 GMC Sierra 2500 HD BRAKE SERVICE PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2008 GMC Sierra 2500 HD AUTOMOBILES

    DRIVESHAFT, Replace -> Front -> One-Piece Driveshaft -> Rear -> Two-Piece Driveshaft
    Vehicle: 2008 GMC Sierra 2500 HD WT 6.6 V8 DIESEL

    Front

    Before disassembly, observe and accurately reference mark all driveline components relative to the propeller shaft and axles. These items include propeller shafts, wheel drive shafts, pinion flanges and output shafts.

    Assemble all components in the exact relationship to each other as they were prior to removal. Observe all published specifications and torque values, and any measurements obtained prior to disassembly.

    • Raise and support vehicle.
    • Remove transfer case shield, if equipped.
    • If equipped with double clamp style boot, remove clamp at transfer case by prying up expos...

    CLICK HERE TO GET FULL ACCESS TO 2008 GMC Sierra 2500 HD DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 GMC Sierra 2500 HD AUTOMOBILES

    Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic System Check -> Diagnostic Tests -> DTC C0569 System Configuration Error -> DTC C0750 Left Front Low Tire Pressure Sensor, C0755 Right Front Low Tire Pressure Sensor, C0760 Left Rear Low Tire Pressure Sensor Or C0765 Right Rear Low Tire Pressure Sensor -> DTC C0775 Low Tire Pressure System Sensors Not Learned -> Intermittent & Poor Connections -> Intermittents -> Low Tire Pressure Indicator Fault -> Poor Connections
    Vehicle: 2008 GMC Sierra 2500 HD SLE 6.0 V8 GAS

    Accessing Diagnostic Trouble Codes

    Connect a suitably programmed scan tool to DLC (Data Link Connector) and follow manufacturer's instructions.

    Diagnostic Tests

    Low tire pressure in one or more tires is indicated by a continuously illuminated TPMS indicator after the bulb check is completed. The DIC will display a check tire pressure type message, if equipped. It is not necessary to perform the Relearn procedure for a low tire condition.

    When a TPMS DTC is set, the TPMS indicator will flash for one minute after the bulb check is completed and then will remain illuminated. The DI...

    CLICK HERE TO GET FULL ACCESS TO 2008 GMC Sierra 2500 HD TIRE PRESSURE MONITORING SYSTEM PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2008 GMC Sierra 2500 HD AUTOMOBILES

    Alternator, Replace
    Vehicle: 2008 GMC Sierra 2500 HD SLE 6.0 V8 GAS

    • Disconnect battery ground cable.
    • Disconnect positive crankcase ventilation hose from air cleaner outlet resonator.
    • Loosen air cleaner outlet resonator clamps at mass air flow intake air temperature sensor and at throttle body.
    • Remove air cleaner outlet resonator.
    • Remove drive belt using suitable tools.
    • Remove engine wiring harness clip from air conditioning compressor and condenser hose bracket.
    • Remove air conditioning compressor and condenser hose bracket bolt.
    • Remove heate...

    CLICK HERE TO GET FULL ACCESS TO 2008 GMC Sierra 2500 HD STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 2008 GMC Sierra 2500 HD AUTOMOBILES

    General Motors Corp./Saturn Trucks -> Service Four Wheel Drive (4WD) System Warning Lamp ->
    Vehicle: 2008 GMC Sierra 2500 HD SLT 6.6 V8 DIESEL

    This lamp should light for approximately 6-8 seconds when the ignition is turned On as a bulb check. If the ...

    CLICK HERE TO GET FULL ACCESS TO 2008 GMC Sierra 2500 HD MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2008 GMC Sierra 2500 HD AUTOMOBILES

    Radiator, Replace
    Vehicle: 2008 GMC Sierra 2500 HD WT 6.0 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 o...

    CLICK HERE TO GET FULL ACCESS TO 2008 GMC Sierra 2500 HD RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 2008 GMC Sierra 2500 HD AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 2008 GMC Sierra 2500 HD SLT 6.0 V8 GAS

    • Rotate tensioner clockwise to release belt tension using suitable wrench, then remove belt.
    • Route belt over pulleys excep...

    CLICK HERE TO GET FULL ACCESS TO 2008 GMC Sierra 2500 HD SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR 2008 GMC Sierra 2500 HD AUTOMOBILES

    Component location diagrams for most 2008 GMC Sierra 2500 HD cars and light trucks sold in the U.S. from 1990+.

    Frame and Underbody Components Diagram for 2008 GMC Sierra 2500 HD WT 6.0 V8 GASFrame and Underbody Components Diagram for 2008 GMC Sierra 2500 HD WT 6.0 V8 GAS

    Components on diagram:
  • Electronic Brake Control Module
  • Fuel Tank
  • Fuel Tank Pressure Sensor
  • Fuel Pressure Sensor
  • Evaporative Emission Canister Vent Solenoid Valve
  • Underbody Components Diagram for 2008 GMC Sierra 2500 HD WT 6.6 V8 DIESELUnderbody Components Diagram for 2008 GMC Sierra 2500 HD WT 6.6 V8 DIESEL

    Components on diagram:
  • Transfer Case
  • VSS Sensor
  • CLICK HERE TO GET FULL ACCESS TO 2008 GMC Sierra 2500 HD PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2008 GMC Sierra 2500 HD AUTOMOBILES

    OEM drawn wiring diagrams for most 2008 GMC Sierra 2500 HD cars and light trucks sold in the U.S.

    2008 GMC Sierra 2500 HD WT 6.6 V8 DIESEL Wiring Diagram2008 GMC Sierra 2500 HD WT 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • RH Rear Window Switch
  • Passenger Window Switch
  • Driver Window Switch
  • Passenger Window Motor
  • RH Rear Window Motor
  • 2008 GMC Sierra 2500 HD SLE 6.0 V8 GAS Wiring Diagram2008 GMC Sierra 2500 HD SLE 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • High Beam Relay
  • RH High Beam Headlamp
  • LH High Beam Headlamp
  • Underhood Fuse Block
  • CLICK HERE TO GET FULL ACCESS TO 2008 GMC Sierra 2500 HD WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2008 GMC Sierra 2500 HD AUTOMOBILES

    OEM TSB listings for most 2008 GMC Sierra 2500 HD cars and light trucks sold in the U.S. from 1985+.

    Document: Second Order Prop Shaft Vibration Or Launch Shudder
    Vehicle: 2008 GMC Sierra 2500 HD WT 6.0 V8 GAS

    Symptoms:
  • Vibration
  • Document: Revised General Motors New Vehicle Tire Warranty Program
    Vehicle: 2008 GMC Sierra 2500 HD WT 6.0 V8 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • CLICK HERE TO GET FULL ACCESS TO 2008 GMC Sierra 2500 HD TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2008 GMC Sierra 2500 HD AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 GMC Sierra 2500 HD 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 Sierra 2500 HD 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 Sierra 2500 HD 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 Sierra 2500 HD 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

    CLICK HERE TO GET FULL ACCESS TO 2008 GMC Sierra 2500 HD SPECIFICATIONS DATA!

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

    Click here to view more details about 2001 GMC Sierra 2500 HD Fender Trim, Front, Passenger Side2001 GMC Sierra 2500 HD Fender Trim, Front, Passenger Side, A high quality, OE replacement fender trim; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $55.56

    Click here to view more details about 2009 GMC Sierra 2500 HD Tail Light, Driver Side2009 GMC Sierra 2500 HD Tail Light, Driver Side.

    Source: Auto Body Parts Store

    $76.91

    Click here to view more details2004 GMC Sonoma Pickup Door Mirror Glass Perf Driver Side, Driver Side Replacement Mirror Glass; 9-1/4; Flat, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $14.45

    Click here to view more details2004 GMC Sierra 2500 HD V8, 8.1 L, 495 CID Rebuilt Engine, Roller Vortec, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $3,265.00

    Click here to view more details2009 GMC Sierra 2500 HD Used Rear Axle Assembly, 10.50 RING GEAR, ACTIVE BRK CONT (OPT JL4), 4.10 RATIO (OPT GT5), Very Good.

    Source: Used Auto Parts Store

    $1,428.00

    Click here to view more details2001 GMC Sierra 2500 HD Used Air Injection Pump, 5.3, AUTO, 4X4 (5.3L), Very Good.

    Source: Used Auto Parts Store

    $136.00
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