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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 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+

Manual Air Conditioning & Heater System Diagnosis & Testing -> Light Duty Trucks & Vans -> Precautions -> Air Bag System Disarming & Arming -> Battery Ground Cable
Vehicle: 2002 GMC Sierra 2500 HD 6.6 V8 DIESEL

Air Bag System Disarming & Arming

Refer to and for air bag system disarming and arming proced...

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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 -> Rotor, Replace
Vehicle: 2006 GMC Sierra 2500 HD SLE 6.6 V8 DIESEL

  • Raise and support vehicle, then remove wheel and tire assemblies.
  • Compress caliper pistons until they bottom in bores using suitable clamp.
  • Remove calip...

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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 Filter Replacement -> 6.6L Diesel Engine
Vehicle: 2002 GMC Sierra 2500 HD 6.6 V8 DIESEL

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. Prior to reconnecting the connector, apply a few drops of clean motor oil to the male pipe ends.

On models equipped with plastic collar quick disconnect connectors, squeeze the connector plastic retainer release tabs to release the connector. Prior to reconnecting the connector, apply a few drops of clean motor...

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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+.

CV AXLE SHAFT, Replace
Vehicle: 2006 GMC Sierra 2500 HD WT 6.6 V8 DIESEL

  • 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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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+.

Reset Procedures
Vehicle: 2007 GMC Sierra 2500 HD Classic SL 8.1 V8 GAS

When the TPMS detects a significant loss of tire pressure, the CHECK TIRE PRESSURE message is displayed on the DI...

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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+.

Alternator, Replace
Vehicle: 2007 GMC Sierra 2500 HD SLE 6.6 V8 DIESEL

  • 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...

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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: 2006 GMC Sierra 2500 HD SLE 6.6 V8 DIESEL

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 -> Air Cleaner Restriction Indicator ->
Vehicle: 2006 GMC Sierra 2500 HD SLT 8.1 V8 GAS

An air cleaner restriction indicator, Fig. , is located in the intake duct between the MAF sensor and the air cleaner assembly.

If the window shows green, no service is required at this time. However, if...

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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+

Radiator, Replace
Vehicle: 2009 GMC Sierra 2500 HD SLE 6.6 V8 DIESEL

  • Drain cooling system into a suitable container.
  • Remove cooling fan and shroud.
  • Remove radiator outlet hose.
  • Disconnect engine oil cooler lines from radiator.
  • Disconnect transmission oil cooler lines from radiator.
  • Remove radiator bolts.
  • Remove rad...

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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 SLE 6.6 V8 DIESEL

  • Rotate tensioner to release belt tension using a 1/2 inch breaker bar with a 5/8 inch socket placed on tensioner pulley, then remove belt.
  • Route be...

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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+.

Engine Compartment Diagram for 2007 GMC Sierra 2500 HD Classic SLT 6.6 V8 DIESELEngine Compartment Diagram for 2007 GMC Sierra 2500 HD Classic SLT 6.6 V8 DIESEL

Components on diagram:
  • Brake Pressure Differential Switch
  • Supplemental Brake Assist Pump Motor
  • Chassis Harness
  • Seat Components Diagram for 2007 GMC Sierra 2500 HD Classic SL 6.6 V8 DIESELSeat Components Diagram for 2007 GMC Sierra 2500 HD Classic SL 6.6 V8 DIESEL

    Components on diagram:
  • Seat Recliner Motor
  • Seat Vertical Motor
  • Inflatable Restraint Passenger Presence System Module
  • Inflatable Restraint Passenger Presence System Sensor
  • Seat Horizontal Motor
  • 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.

    2004 GMC Sierra 2500 HD  6.6 V8 DIESEL Wiring Diagram2004 GMC Sierra 2500 HD 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Powertrain Control Module
  • Engine Control Module
  • AC Compressor Clutch
  • HVAC Control Module
  • AC Low Pressure Switch
  • 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:
  • Passenger Seat Adjuster Switch
  • Passenger Seat Rear Vertical Motor
  • Passenger Seat Front Vertical Motor
  • Passenger Seat Horizontal Motor
  • Passenger seat Adjuster Motor Assembly
  • 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: PARTS RESTRICTION ON ORDERING ONSTAR GENERATION 5 AND 6 VEHICLE COMMUNICATION INTERFACE MODULES (VCIM) - REVISED
    Vehicle: 2007 GMC Sierra 2500 HD Classic SLE 6.0 V8 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: VERTICAL LINES IN REAR DOOR OUTER PANEL
    Vehicle: 2007 GMC Sierra 2500 HD Classic SL 6.0 V8 GAS

    Auto Systems:
  • Seats, Belts, Interior Trim, Carpets, Air Bags
  • Glass, Doors, Hood, Decklid, Tailgate, Liftgate, Locks
  • 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 details2001 GMC Sierra 2500 HD Bumper Bracket, Front, Driver Side, AutoTrust Gold products are guaranteed to meet or exceed the original manufacturer's standards and quality; <b>Backed by a 5-year limited warranty</b>; If the part breaks or is damaged - even if you are involved in a wreck or accident - anytime within 5 years from purchase, simply cover shipping and handling and we will send you a new part..

    Source: Auto Body Parts Store

    $8.67

    Click here to view more details about 2007 GMC Sierra 2500 HD Mirror, Passenger Side2007 GMC Sierra 2500 HD Mirror, Passenger Side.

    Source: Auto Body Parts Store

    $29.83

    Click here to view more details2012 GMC Acadia Driver Side Outer Tail Light Assembly, Driver Side Outer Tail Light Assembly, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $82.50

    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 details2004 GMC Sierra 2500 HD Used Hub Bearing , Passenger Side, Front; 4x2, Very Good.

    Source: Used Auto Parts Store

    $129.00

    Click here to view more details2008 GMC Sierra 2500 HD Used Engine Computer, Driver Side, Elec Cont Unit (ECU); (eng comp), 3.4L, Very Good.

    Source: Used Auto Parts Store

    $142.00
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