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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+

    Automatic Temperature Control Systems Diagnosis & Testing -> Sierra & Silverado -> Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> System Performance Test
    Vehicle: 2003 GMC Sierra 2500 HD 6.0 V8 GAS

    Accessing Diagnostic Trouble Codes

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

    Diagnostic Trouble Code Interpretation

    Refer to Fig. , for Diagnostic Trouble Code (DTC) interpretation.

    ...

    [[table data]]

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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+.

    Power Brake Units -> Delco Brake Booster -> Description -> Operation -> Single Diaphragm Type -> Tandem (Dual) Diaphragm Type
    Vehicle: 2002 GMC Sierra 2500 HD 6.0 V8 GAS

    In order to properly service power brake systems, a thorough understanding of the various power assist systems is required. These systems provide a mechanical assist, acting to increase the force applied to the master cylinder piston by the driver while decreasing the effort required to obtain acceptable stopping performance. Two basic types of power assist mechanisms are used: vacuum assist diaphragm assemblies which use engine vacuum and in some cases vacuum from an external vacuum pump, and hydraulic assist assemblies which use hydraulic pressure developed by an external pump (us...

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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 -> Component Locations -> 1999-06 Silverado & Sierra
    Vehicle: 2006 GMC Sierra 2500 HD SLT 6.0 V8 GAS

    Refer ...

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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: 2002 GMC Sierra 2500 HD 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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    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+.

    Description
    Vehicle: 2006 GMC Sierra 2500 HD SLT 6.0 V8 GAS

    The TPMS (Tire Pressure Monitor System) notifies the driver when a significant loss of tire pressure occurs in any of the 4 tires.

    When the vehicle is stationary, the sensor is inactive. When the vehicle is operated and as the vehicle speed increases, centrifugal force activates the sensors internal accelerometer causing the sensors to go into rolling mode. In the rolling mode, the sensors read tire pressure once every 30 second and transmit the reading once every 60 seconds. On models with convince package, the PDM (Passenger Door Module), receives and translates the data transmit...

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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: 2006 GMC Sierra 2500 HD SLE 6.6 V8 DIESEL

    • Disconnect battery ground cable.
    • Raise and support vehicle, then remove righthand front tire and wheel assembly.
    • Remove righthand front fender wheelhouse inner panel.
    • Remove starter motor battery positive cable, then solenoid wires.
    • Remove star...

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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 6.6 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 -> Traction Control System (TCS)/Electronic Stability Control (ESC) Warning Lamp ->
    Vehicle: 2006 GMC Sierra 2500 HD SLE 6.6 V8 DIESEL

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

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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+

    Heater Hose, Replace -> Inlet -> Outlet
    Vehicle: 2007 GMC Sierra 2500 HD Classic SLE 6.6 V8 DIESEL

    Inlet

    • Drain cooling system into a suitable container.
    • Remove air intake tube.
    • Remove heater and surge tank hose 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 in...

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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: 2009 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+.

    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
  • Sunroof Components Diagram for 2007 GMC Sierra 2500 HD Classic WT 6.6 V8 DIESELSunroof Components Diagram for 2007 GMC Sierra 2500 HD Classic WT 6.6 V8 DIESEL

    Components on diagram:
  • Sunroof Control Module
  • Sunroof Switch
  • Sunroof Motor
  • Splice S352
  • Connector C353
  • 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.

    2007 GMC Sierra 2500 HD Classic WT 6.6 V8 DIESEL Wiring Diagram2007 GMC Sierra 2500 HD Classic WT 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • A/C Compressor Clutch
  • A/C Low Pressure Switch
  • Engine Control Module
  • A/C Compressor Relay
  • HVAC Control Module
  • 2007 GMC Sierra 2500 HD SLE 6.0 V8 GAS Wiring Diagram2007 GMC Sierra 2500 HD SLE 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Passenger Door Lock Switch
  • Driver Door Lock 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: BRAKE WARRANTY SERVICE AND PROCEDURES - REVISED
    Vehicle: 2001 GMC Sierra 2500 HD 8.1 V8 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: Brakes Feel Grabby/Touchy When Applied or Check Engine Light On, DTC C012E
    Vehicle: 2009 GMC Sierra 2500 HD SLE 6.0 V8 GAS

    Symptoms:
  • Pull, Grab
  • Sticking, Binding
  • Auto Systems:
  • Brakes, Power Brakes, Traction Control
  • 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 details2005 GMC Sierra 2500 HD Bumper Cover, Front.

    Source: Auto Body Parts Store

    $197.94

    Click here to view more details2010 GMC Sierra 2500 HD Bumper Bracket, Rear, Passenger Side, A high quality, OE replacement bumper impact bar bracket; With 1-year limited TruckEFX warranty..

    Source: Auto Body Parts Store

    $22.81

    Click here to view more details about 2009 GMC Envoy Tail Light Assembly , Passenger Side2009 GMC Envoy Tail Light Assembly , Passenger Side, PASSENGER SIDE TAIL LIGHT ASSEMBLY , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $62.45

    Click here to view more details2002 GMC Sierra 2500 HD V8, 6 L, 364 CID Rebuilt Engine, 6.0 V-8 Aluminum Heads, Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

    $2,099.00

    Click here to view more details2005 GMC Sierra 2500 HD Used TV-Info-GPS Screen, Gray, Very Good.

    Source: Used Auto Parts Store

    $144.00

    Click here to view more details2007 GMC Sierra 2500 HD Used Air Flow Meter/Sensor, 5.3, AUTO, AWD, Very Good.

    Source: Used Auto Parts Store

    $85.00
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