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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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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!
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+
Component Replacement & Adjustment -> Sierra & Silverado -> Water Pump, Replace -> 4.3L Engine -> 4.8L, 5.3L & 6.0L Engines -> 6.6L Diesel Engine -> 8.1L Engine
Vehicle: 2003 GMC Sierra 2500 HD 6.0 V8 GAS
4.3L Engine
- Loosen air cleaner outlet duct clamp at Mass Air Flow/intake Air Temperature (MAF/IAT) sensor.
- Remove Positive Crankcase Ventilation (PCV) hose.
- Remove adapter nut, engine cover and air cleaner.
- Remove air inlet duct by pivoting it upward until hinge clip disconnects from lip on throttle body.
- Drain cooling system into suitable container.
- Remove throttle body heater and inlet radiator hoses' retainers from fan shroud.
- Remove retainers, mounting bolts and upper fan shroud.
- Remove fan hub nut from water pump using fa...
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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+.
Anti-Lock Brakes -> Kelsey-Hayes -> Description
Vehicle: 2006 GMC Sierra 2500 HD SL 6.0 V8 GAS
When wheel slip is detected during a brake application, the ABS enters anti-lock mode. During anti-lock braking, hydraulic pressure in the individual wheel circuits is controlled to prevent any wheel from slipping. A separate hydraulic line and specific solenoid valves are provided for each wheel. The ABS can decrease, hold, or increase hydraulic pressure to each wheel brake. The ABS cannot, however, increase hydraulic pressure above the amount which is transmitted by the master cylinder during braking.
During anti-lock braking, a series of rapid pulsations is felt in the brake pedal...
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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 Scheduled Maintenance -> 2004-06 C/K, G & R/V Series w/Gasoline Engine -> Heavy Duty Emissions -> Light Duty Emissions -> Normal Service -> Severe Service
Vehicle: 2006 GMC Sierra 2500 HD SL 6.0 V8 GAS
Light Duty Emissions
Normal Service
Service as required
Severe Ser...
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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 SL 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+.
Description
Vehicle: 2007 GMC Sierra 2500 HD Classic SL 6.6 V8 DIESEL
The TPM (Tire Pressure Monitor) System warns the driver when a significant loss, or gain of tire pressure occurs in any of the four tires and allows the driver to display the individual tire pressures and the locations on the DIC (Driver Information Center) display. The system uses the PCM (Powertrain Control Module), IPC (Instrument Panel Cluster), DIC, remote control door lock receiver, a radio frequency transmitting pressure sensor in each wheel assembly and the serial data circuit.
When the vehicle is stationary, the sensor is inactive. When the vehicle is operated and as the veh...
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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: 2007 GMC Sierra 2500 HD WT 6.6 V8 DIESEL
- Disconnect battery ground cable.
- Raise and support vehicle.
- On models equipped with skid plate, remove skid plate mounting bolts and skid plate.
- On all models, remove front transmission cover bolt.
- Remove starter motor mounting bolts.
- Disconnect engine wiring harness electrical connector from oil level sensor.
- Slide starter forward until it clears transmission, then properly support starter. Avoid cable and wiring damage. DO NOT suspend starter by cables or wires attached to solenoid terminals. Use a rope or mechanics wire to suspend starter.
- Lower vehicle half way.
- Remove right front ...
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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: 2002 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 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 -> StabiliTrak Control System Warning Lamp ->
Vehicle: 2009 GMC Sierra 2500 HD SLT 6.0 V8 GAS
This lamp should light for a approximately 6-8 seconds when the ignition is turned On as a bulb check. If the warning...
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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: 2008 GMC Sierra 2500 HD WT 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: 2006 GMC Sierra 2500 HD SL 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+.
 Sunroof Components Diagram for 2007 GMC Sierra 2500 HD Classic WT 6.6 V8 DIESELComponents on diagram: |
 Rear of Vehicle Diagram for 2008 GMC Sierra 2500 HD WT 6.6 V8 DIESELComponents on diagram: |
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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.
 2008 GMC Sierra 2500 HD SLT 6.0 V8 GAS Wiring DiagramComponents on diagram: |
 2006 GMC Sierra 2500 HD SL 6.6 V8 DIESEL Wiring DiagramComponents on diagram: |
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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+.
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Document: New Website for AFIT, TPM, and VDR Updates Vehicle: 2007 GMC Sierra 2500 HD WT 6.6 V8 DIESEL Auto Systems: |
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Document: EI08028 - INTERMITTENT, INOPERATIVE REMOTE KEYLESS ENTRY (RKE) - REVISED Vehicle: 2008 GMC Sierra 2500 HD SLT 6.0 V8 GAS Symptoms: |
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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
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