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2005 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 2005 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 2005 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 2005 GMC Sierra 2500 HD AUTOMOBILES

Disc Brakes -> Delco Dual Piston Sliding Caliper -> Tightening Specifications
Vehicle: 2005 GMC Sierra 2500 HD 8.1 V8 GAS

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FUEL FILTER REPLACEMENT PROCEDURES FOR 2005 GMC Sierra 2500 HD AUTOMOBILES

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: 2005 GMC Sierra 2500 HD 6.6 V8 DIESEL

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 2005 GMC Sierra 2500 HD AUTOMOBILES

DRIVESHAFT, Replace -> Front -> Rear
Vehicle: 2005 GMC Sierra 2500 HD 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 the 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 ex...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2005 GMC Sierra 2500 HD AUTOMOBILES

Alternator, Replace
Vehicle: 2005 GMC Sierra 2500 HD 8.1 V8 GAS

  • Disconnect battery ground cable.
  • Remove air inlet duct, if required.
  • Disconnect terminal plug and battery lead connections from back of alternator.
  • Remove upper fan shroud mounting bolts and fan shroud.
  • Remove accessory drive belt using suitable 3/8 i...

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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2005 GMC Sierra 2500 HD AUTOMOBILES

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: 2005 GMC Sierra 2500 HD 8.1 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 2005 GMC Sierra 2500 HD AUTOMOBILES

General Motors Corp./Saturn Trucks -> Change Trans Fluid Indicator ->
Vehicle: 2005 GMC Sierra 2500 HD 6.0 V8 GAS

This message will appear on the DIC (Driver Information Center) when it is time to change the transmission fluid....

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2005 GMC Sierra 2500 HD AUTOMOBILES

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2005 GMC Sierra 2500 HD 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.
  • Reposition heater core inlet hose clamp at engine coolant outlet fitting.
  • Remove hose from engine coolant outlet fitting.
  • Reposition heater hose inlet clamp at heater core.
  • Remove heater inlet hose from...

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SERPENTINE BELT SERVICE PROCEDURES FOR 2005 GMC Sierra 2500 HD AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 2005 GMC Sierra 2500 HD 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 2005 GMC Sierra 2500 HD AUTOMOBILES

Component location diagrams for most 2005 GMC Sierra 2500 HD cars and light trucks sold in the U.S. from 1990+.

Cruise Control Module Diagram for 2005 GMC Sierra 2500 HD  6.6 V8 DIESELCruise Control Module Diagram for 2005 GMC Sierra 2500 HD 6.6 V8 DIESEL

Components on diagram:
  • Cruise Control Module
  • Cruise Control Module Connector
  • Rear Steering Gear Motor Diagram for 2005 GMC Sierra 2500 HD  8.1 V8 GASRear Steering Gear Motor Diagram for 2005 GMC Sierra 2500 HD 8.1 V8 GAS

    Components on diagram:
  • Steering Gear Assembly
  • Rear Steering Gear Motor
  • CLICK HERE TO GET FULL ACCESS TO 2005 GMC Sierra 2500 HD PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2005 GMC Sierra 2500 HD AUTOMOBILES

    OEM drawn wiring diagrams for most 2005 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:
  • Data Link Connector
  • Driver Door Module
  • Front Passenger Door Module
  • Outside Rear View Mirror - Passenger
  • 2005 GMC Sierra 2500 HD  8.1 V8 GAS Wiring Diagram2005 GMC Sierra 2500 HD 8.1 V8 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Body Control Module
  • Defogger Relay
  • Rear Defog Switch
  • Rear Window Defogger Grid
  • CLICK HERE TO GET FULL ACCESS TO 2005 GMC Sierra 2500 HD WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2005 GMC Sierra 2500 HD AUTOMOBILES

    OEM TSB listings for most 2005 GMC Sierra 2500 HD cars and light trucks sold in the U.S. from 1985+.

    Document: 6.6L LB7, LLY Duramax Diesel Engine Cylinder Head Gasket Missing Thickness Grade Markings-Inspect Block for Stampings
    Vehicle: 2005 GMC Sierra 2500 HD 6.6 V8 DIESEL

    Auto Systems:
  • Diesel Engines
  • Document: Revised General Motors New Vehicle Tire Warranty Program
    Vehicle: 2005 GMC Sierra 2500 HD 6.0 V8 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • CLICK HERE TO GET FULL ACCESS TO 2005 GMC Sierra 2500 HD TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2005 GMC Sierra 2500 HD AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2005 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 2005 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 2005 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 2005 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 2005 GMC Sierra 2500 HD SPECIFICATIONS DATA!

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

    Click here to view more details about 2005 GMC Sierra 2500 HD Door Handle, Front, Passenger Side2005 GMC Sierra 2500 HD Door Handle, Front, Passenger Side, With keyhole; A high quality, OE replacement door handle; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $14.34

    Click here to view more details about 2002 GMC Sierra 2500 HD Bumper, Rear2002 GMC Sierra 2500 HD Bumper, Rear, With provisions for step pad and trailer hitch; A high quality, direct fit OE replacement bumper face bar..

    Source: Auto Body Parts Store

    $129.11

    Click here to view more details2002 GMC Pickup Fullsize C/K 15" x 6" Steel Wheel, Steel Wheel; 15 X 6; Solid Disc; 5 Lug; 5 Inch BP; Ident RAK; Black Full Face, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $69.50

    Click here to view more details2002 GMC Sierra 2500 HD V8, 6 L, 364 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 details2010 GMC Sierra 2500 HD Used Rear View Mirror, W/ONSTAR (OPT UE1), W/LIGHT SENSITIVE MIRROR (OPT DD8), RADIO OPT UYE & UYZ, Very Good.

    Source: Used Auto Parts Store

    $124.00

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

    Source: Used Auto Parts Store

    $94.00
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