GMC Sierra 2500 HD REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

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

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 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!
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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 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:

A/C & HEATER SERVICE PROCEDURES FOR GMC Sierra 2500 HD AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported GMC Sierra 2500 HD cars and light trucks from 1990+

A/C & Cooling System Maintenance -> General Motors Corp. -> 2003-04 Chevrolet Silverado, Suburban, Tahoe & Cadillac Escalade & GMC Denali, Sierra, Yukon & Yukon XL
Vehicle: 2003 GMC Sierra 2500 HD 6.0 V8 GAS

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BRAKE SERVICE PROCEDURES FOR GMC Sierra 2500 HD AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported GMC Sierra 2500 HD cars and light trucks from 1990+.

Disc Brakes -> Delco Dual Piston Sliding Caliper -> Tightening Specifications
Vehicle: 2004 GMC Sierra 2500 HD 8.1 V8 GAS

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FUEL FILTER REPLACEMENT PROCEDURES FOR GMC Sierra 2500 HD AUTOMOBILES

Fuel filter replacement procedures with corresponding images for most domestic and imported GMC Sierra 2500 HD cars and light trucks sold in the U.S. for 1980+.

General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Pressure Relief -> Except Montana SV6, Relay, Rendezvous w/3.6L Engine, Terraza, Tracker & Uplander -> Engine Fuel Pressure Service Port -> Engines Less Fuel Pressure Service Port
Vehicle: 2002 GMC Sierra 2500 HD 6.0 V8 GAS

Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.

Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.

After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while the vehicle relearns its adaptive strategy.

Engines Less Fuel Pressure ...

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

Includes CV axle, universal joint, and driveline replacement, for domestic and imported GMC Sierra 2500 HD cars and light trucks from 1990+.

DRIVESHAFT, Replace -> Front -> One-Piece Driveshaft -> Rear -> Two-Piece Driveshaft
Vehicle: 2008 GMC Sierra 2500 HD WT 6.0 V8 GAS

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...

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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR GMC Sierra 2500 HD AUTOMOBILES

Description, component locations, reset procedures, relearn procedures, diagnosis and testing, wiring diagrams, component replacement, and identification of vehicles equipped and not equipped with tire pressure monitoring system for most domestic and imported GMC Sierra 2500 HD cars and light trucks sold in the U.S. from mid 1990's+.

Wiring Diagrams -> Wire Color Code Identification
Vehicle: 2008 GMC Sierra 2500 HD SLE 6.6 V8 DIESEL

Refer to Figs. through for w...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR GMC Sierra 2500 HD AUTOMOBILES

Includes starter and alternator replacement procedures for domestic and imported GMC Sierra 2500 HD cars and light trucks from 1990+.

Starter, Replace
Vehicle: 2009 GMC Sierra 2500 HD WT 6.6 V8 DIESEL

  • Disconnect battery ground cable.
  • Raise and support vehicle.
  • Remove wheelhouse liner.
  • Working through wheelhouse, remove starter solenoid cable nut from starter.
  • Remove starter solenoid cable from starter.
  • Working through wheelhouse, remove engine wiring harness lead nut.
  • Remove engine wiring harness lead from starter...

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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR GMC Sierra 2500 HD AUTOMOBILES

Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported GMC Sierra 2500 HD cars and light trucks sold in the U.S. as equipped to the current model year.

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: 2001 GMC Sierra 2500 HD 6.0 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 GMC Sierra 2500 HD AUTOMOBILES

Maintenance lamp reset procedures with corresponding images for most domestic and imported GMC Sierra 2500 HD cars and light trucks sold in the U.S. from 1990+.

General Motors Corp./Saturn Trucks -> Check Engine/Service Engine Soon Indicator Lamp -> Electronic Engine Controls Or Electronic Fuel Injection Except Tracker
Vehicle: 2006 GMC Sierra 2500 HD SLE 6.0 V8 GAS

The Check Engine/Service Engine Soon Lamp should light when the ignition is turned On. When the engine is started, the lamp should go off. If the lamp remains on for 10 seconds or constantly after the engine is started, the self diagnosis system has detected a problem and has stored a code in the system Electronic Control Module (ECM) or Powertrain Control Module (PCM). After diagnosis and repair, the ECM/PCM memory can be cleared of codes either by using a scan tool (OBD II systems) or by disconnecting the battery ground ca...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR GMC Sierra 2500 HD AUTOMOBILES

Includes radiator, cooling and heater hose replacement procedures for domestic and imported GMC Sierra 2500 HD cars and light trucks from 1990+

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2008 GMC Sierra 2500 HD SLT 6.6 V8 DIESEL

Lower

  • Drain cooling system into a suitable container.
  • Remove air cleaner outlet duct.
  • Remove air cleaner housing.
  • Reposition hose clamp from engine.
  • Remove radiator outlet hose from engine.
  • Reposition hose clamp from radiator.
  • Remove radiator outlet hose from radiator and from vehicle.
  • Reverse procedure to inst...

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SERPENTINE BELT SERVICE PROCEDURES FOR GMC Sierra 2500 HD AUTOMOBILES

Serpentine belt replacement procedures with corresponding images for most domestic and imported GMC Sierra 2500 HD cars and light trucks sold in the U.S. from 1990+.

Serpentine Drive Belt, Replace
Vehicle: 2007 GMC Sierra 2500 HD Classic SLT 8.1 V8 GAS

  • Rotate tensioner counterclockwise using suitabl...

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COMPONENT LOCATION DIAGRAMS FOR GMC Sierra 2500 HD AUTOMOBILES

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

Passenger Compartment Components Diagram for 2008 GMC Sierra 2500 HD WT 6.0 V8 GASPassenger Compartment Components Diagram for 2008 GMC Sierra 2500 HD WT 6.0 V8 GAS

Components on diagram:
  • Rear Window Defogger Grid
  • Driver Inflatable Restraint Roof Rail Module
  • Passenger Restraint Roof Rail Module
  • Engine Compartment Diagram for 2007 GMC Sierra 2500 HD Classic SLE 6.0 V8 GASEngine Compartment Diagram for 2007 GMC Sierra 2500 HD Classic SLE 6.0 V8 GAS

    Components on diagram:
  • Hood Ajar Switch
  • Forward Lamp Harness
  • Starter/Generator Control Module Coolant Pump
  • CLICK HERE TO GET FULL ACCESS TO GMC Sierra 2500 HD PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR GMC Sierra 2500 HD AUTOMOBILES

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

    2005 GMC Sierra 2500 HD  8.1 V8 GAS Wiring Diagram2005 GMC Sierra 2500 HD 8.1 V8 GAS Wiring Diagram

    Components on diagram:
  • Park Lamps Supply Voltage
  • Trailer Left Rear Turn/Stop Lamp Supply Voltage
  • Trailer Right Rear Turn/Stop Lamp Supply Voltage
  • 2007 GMC Sierra 2500 HD Classic SLE 6.0 V8 GAS Wiring Diagram2007 GMC Sierra 2500 HD Classic SLE 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Transmission Control Module
  • Stop Lamp Switch
  • Automatic Transmission Shift Lever
  • Driver Shift Request Switch
  • CLICK HERE TO GET FULL ACCESS TO GMC Sierra 2500 HD WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR GMC Sierra 2500 HD AUTOMOBILES

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

    Document: UNABLE TO CONNECT TO ONSTAR OR ONSTAR PERSONAL CALLING INOPERATIVE - ALASKA ONLY
    Vehicle: 2004 GMC Sierra 2500 HD 6.0 V8 GAS

    Auto Systems:
  • Aux Equip, Phone, Jacks, Trailer Hitches, Towing
  • Document: UNABLE TO CONNECT TO ONSTAR OR ONSTAR PERSONAL CALLING INOPERATIVE - ALASKA ONLY - REVISED
    Vehicle: 2004 GMC Sierra 2500 HD 6.6 V8 DIESEL

    Symptoms:
  • Inoperative, No Response
  • Auto Systems:
  • Aux Equip, Phone, Jacks, Trailer Hitches, Towing
  • CLICK HERE TO GET FULL ACCESS TO GMC Sierra 2500 HD TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR GMC Sierra 2500 HD AUTOMOBILES

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

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

    Click here to view more details2010 GMC Sierra 2500 HD Headlight, Passenger Side, Bulbs included; Composite and combination type; DOT and SAE approved; A high quality, direct fit OE replacement headlight assembly; With 2 years limited TrustBuilt warranty..

    Source: Auto Body Parts Store

    $207.93

    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 details2014 GMC Yukon XL Driver And Passenger Side Pair OF Round Stainless Steel Nerf Bars For 1500 Half-TON Model, Driver And Passenger Side Pair OF Round Stainless Steel Nerf Bars For 1500 Half-TON Model; BY Proefx, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $143.50

    Click here to view more details2005 GMC Sierra 2500 HD V8, 6.0 L, 368 CID Rebuilt Engine, 6.0 V-8 Aluminum Heads, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $2,099.00

    Click here to view more details2004 GMC Sierra 2500 HD Used Parking Lamp, Passenger Side, R, Fog/Driving; (bumper mounted), R., from 1/3/4 build date, Very Good.

    Source: Used Auto Parts Store

    $86.00

    Click here to view more details2007 GMC Sierra 2500 HD Used Rear Axle Assembly, 6.0, AUTO, 4X4 CLASSIC STYLE (CREASED DR SKIN), 10.5 RING GEAR, 373RATIO, OPT GT5), Very Good.

    Source: Used Auto Parts Store

    $1,349.00
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