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2003 Chevrolet Avalanche 1500 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Chevrolet REPAIR SHOPS DON'T WANT YOU TO KNOW
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- 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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Chevrolet Avalanche 1500 car and truck
repair procedures including Chevrolet 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 Chevrolet Avalanche 1500 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Avalanche 1500 AUTOMOBILES
Compressor Service -> Harrison Compressors -> Clutch Coil, Replace -> Installation -> Removal
Vehicle: 2003 Chevrolet Avalanche 1500 5.3 V8 GAS
Removal
- Remove pulley rotor and bearing as outlined under "Clutch Rotor & Bearing, Replace."
- Mark clutch coil terminal location on compressor front head.
- Remove clutch coil using puller pilot tool No. J-33023-A, puller bar tool No. J-8433-1, forcing screw tool No. J-8433-3 with clutch coil puller legs tools No. J-33025, or equivalents, Fig. .
Installation
- Position clutch coil assembly on front head with terminals located at mark.
- Place clutch coil tool No. J-33024, or equivalent, over internal opening of clutch coil housing a...
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BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Avalanche 1500 AUTOMOBILES
Power Brake Units -> Bendix Brake Booster -> General Service
Vehicle: 2003 Chevrolet Avalanche 1500 5.3 V8 GAS
Certain general service procedures apply, regardless of whether the brakes are vacuum or hydraulically assisted. Only top quality, clean brake fluid should be used. More seals and valves are used with power brake systems than with ordinary brakes, so an inferior brake fluid will do much more damage. For the same reason, ensure all dirt is kept out of the system. Additionally, care must be taken not to mix the fluids of the booster hydraulic system and brake hydraulic system as the fluids are not compatible.
If the power unit fails, the brakes will still operate, as the convention...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Chevrolet Avalanche 1500 AUTOMOBILES
General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Replacement -> Gasoline Engines Except Equinox, Montana SV6, Relay, Rendezvous w/3.6L Engine, Terraza, Uplander & Vue (2004-06) & 2004-06 Envoy, Rainier & TrailBlazer -> Returnless Fuel System
Vehicle: 2003 Chevrolet Avalanche 1500 5.3 V8 GAS
Returnless Fuel System
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. Pri...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Chevrolet Avalanche 1500 AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2003 Chevrolet Avalanche 1500 5.3 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 1500 AUTOMOBILES
Alternator, Replace
Vehicle: 2003 Chevrolet Avalanche 1500 5.3 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 1500 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 1500 5.3 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 1500 AUTOMOBILES
General Motors Corp./Saturn Trucks -> Air Cleaner Restriction Indicator ->
Vehicle: 2003 Chevrolet Avalanche 1500 5.3 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 2003 Chevrolet Avalanche 1500 AUTOMOBILES
Radiator, Replace
Vehicle: 2003 Chevrolet Avalanche 1500 5.3 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 1500 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Chevrolet Avalanche 1500 5.3 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 2003 Chevrolet Avalanche 1500 AUTOMOBILES
Component location diagrams for most 2003 Chevrolet Avalanche 1500 cars and light trucks sold in the U.S. from 1990+.
 Vehicle Speed Sensor Diagram for 2003 Chevrolet Avalanche 1500 5.3 V8 GASComponents on diagram: |
 Fuse Block Underhood Connector C-2 and Connector C-5 Diagram for 2003 Chevrolet Avalanche 1500 5.3 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 Chevrolet Avalanche 1500 AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Chevrolet Avalanche 1500 cars and light trucks sold in the U.S.
 2003 Chevrolet Avalanche 1500 5.3 V8 GAS Wiring DiagramComponents on diagram: |
 2003 Chevrolet Avalanche 1500 5.3 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Chevrolet Avalanche 1500 AUTOMOBILES
OEM TSB listings for most 2003 Chevrolet Avalanche 1500 cars and light trucks sold in the U.S. from 1985+.
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Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2003 Chevrolet Avalanche 1500 5.3 V8 GAS Auto Systems: |
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Document: Power Folding Mirrors Will Not Fold Inward Vehicle: 2003 Chevrolet Avalanche 1500 5.3 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Chevrolet Avalanche 1500 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Chevrolet Avalanche 1500 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 1500 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 1500 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 1500 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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