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2003 Chevrolet Avalanche 2500 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Chevrolet REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Avalanche 2500 AUTOMOBILES
General Service Domestic Vehicles -> 2003-04 -> Charging System -> Caravan, Town & Country & Voyager -> Cherokee, Dakota, Full Size Pickups, Liberty, PT Cruiser & Vans, Grand Cherokee & Wrangler -> Concorde, Intrepid, LHS & 300M -> DaimlerChrysler Corp. -> Ford Motor Company -> General Motors -> Neon -> Sebring & Stratus Coupe -> Sebring & Stratus Sedan & Sebring Convertible
Vehicle: 2003 Chevrolet Avalanche 2500 8.1 V8 GAS
DaimlerChrysler Corp.
Sebring & Stratus Coupe
Never use cans to charge into high pressure side of system (compressor discharge port) or into system at high temperature, as high system pressure transferred into charging may cause it to explode.
- Attach center hose from manifold gauge set to refrigerant dispensing manifold. Turn refrigerant manifold valves completely counterclockwise to open fully, remove protective caps from refrigerant manifold.
- Screw refrigerant cans into manifold. Ensure gasket is in place and in good condition. Torq...
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BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Avalanche 2500 AUTOMOBILES
Drum Brakes -> Brake Service -> Astro, Bravada, S & T Series & Safari -> Aztek, Rendezvous & Vue -> C & K Series -> Duo-Servo -> Express & Savana -> Installation -> Montana, Silhouette, Trans Sport & Venture -> P Series -> Removal -> Single-Servo -> Tracker
Vehicle: 2003 Chevrolet Avalanche 2500 8.1 V8 GAS
C & K Series
Duo-Servo
Removal
- Raise and support vehicle.
- Mark relationship of wheel to hub, then remove tire and wheel assembly.
- On models equipped with full-floating axles, remove hub and drum assembly as outlined in. "Drive Axles."
- On models equipped with semi-floating axles, proceed as follows:
- Install pin into park brake lever.
- Mark relationship of drum to axle.
- Remove rear brake drum retainers, as required.
- Remove rear brake drum.
- On all models, remove return springs and shoe guide,. Fig. .
- Remove brake hold down springs and pins.
- Disconnect actuator lever and pivot.
- Remove lever return sp...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Chevrolet Avalanche 2500 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: 2003 Chevrolet Avalanche 2500 8.1 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 2003 Chevrolet Avalanche 2500 AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2003 Chevrolet Avalanche 2500 8.1 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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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Chevrolet Avalanche 2500 AUTOMOBILES
Alternator, Replace
Vehicle: 2003 Chevrolet Avalanche 2500 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 2003 Chevrolet Avalanche 2500 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: 2003 Chevrolet Avalanche 2500 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 2003 Chevrolet Avalanche 2500 AUTOMOBILES
General Motors Corp./Saturn Trucks -> Service Four Wheel Drive (4WD) System Warning Lamp ->
Vehicle: 2003 Chevrolet Avalanche 2500 8.1 V8 GAS
This lamp should light for approximately 6-8 seconds when the ignition is turned On as a bulb check. If the ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Chevrolet Avalanche 2500 AUTOMOBILES
Radiator, Replace
Vehicle: 2003 Chevrolet Avalanche 2500 8.1 V8 GAS
- Drain radiator coolant into suitable container.
- Remove upper and lower radiator hoses.
- Remove mounting bolts and lower fan shroud.
- Remove engine vent hose and surge take hose.
- Disconnect eng...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Chevrolet Avalanche 2500 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Chevrolet Avalanche 2500 8.1 V8 GAS
- Rotate tensioner counterclockwise, using suitab...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Chevrolet Avalanche 2500 AUTOMOBILES
Component location diagrams for most 2003 Chevrolet Avalanche 2500 cars and light trucks sold in the U.S. from 1990+.
Powertrain Control Module Diagram for 2003 Chevrolet Avalanche 2500 8.1 V8 GAS Components on diagram: |
Upper Left of the I/P Components Diagram for 2003 Chevrolet Avalanche 2500 8.1 V8 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2003 Chevrolet Avalanche 2500 AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Chevrolet Avalanche 2500 cars and light trucks sold in the U.S.
2003 Chevrolet Avalanche 2500 8.1 V8 GAS Wiring Diagram Components on diagram: |
2003 Chevrolet Avalanche 2500 8.1 V8 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Chevrolet Avalanche 2500 AUTOMOBILES
OEM TSB listings for most 2003 Chevrolet Avalanche 2500 cars and light trucks sold in the U.S. from 1985+.
Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2003 Chevrolet Avalanche 2500 8.1 V8 GAS Auto Systems: |
Document: Power Folding Mirrors Will Not Fold Inward Vehicle: 2003 Chevrolet Avalanche 2500 8.1 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Chevrolet Avalanche 2500 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Chevrolet Avalanche 2500 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 2003 Chevrolet Avalanche 2500 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 2003 Chevrolet Avalanche 2500 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 2003 Chevrolet Avalanche 2500 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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