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2003 Toyota Avalon CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Toyota 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 Toyota Avalon AUTOMOBILES
Toyota -> Component Replacement & Adjustment -> Expansion Valve, Replace
Vehicle: 2003 Toyota Avalon XLS 3.0 V6 GAS
Refer to "Evaporator ... "
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BRAKE SERVICE PROCEDURES FOR 2003 Toyota Avalon AUTOMOBILES
Toyota -> Hydraulic Brake Systems -> Component Service -> Assemble -> Disassemble -> Except Sienna -> Inspection -> Master Cylinder -> Overhaul -> Sienna -> Wheel Cylinders
Vehicle: 2003 Toyota Avalon XLS 3.0 V6 GAS
Master Cylinder
Except Sienna
Disassemble
For the following procedures, refer to Fig. for assistance.
- Remove master cylinder boot.
- Remove setscrew and reservoir tank, then the cap and strainer from reservoir.
- Remove two grommets and place cylinder in vise.
- Push piston in and remove stopper bolt, Fig. .
- Push pistons in and remove snap ring, then No. 1 piston carefully by hand.
- Place cylinder on edges of two wooden blocks and tap on cylinder until No. 2 piston comes out.
Inspection
Clean components with compressed air. Inspect cylinder bore for rust and scoring. Also, inspect for wear or ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Toyota Avalon AUTOMOBILES
Toyota -> Component Locations -> 1995-04 Avalon, 1999-01 Solara & 1992-01 Camry 3.0L Engine
Vehicle: 2003 Toyota Avalon XLS 3.0 V6 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Toyota Avalon AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2003 Toyota Avalon XL 3.0 V6 GAS
The hub bearing could be damaged if it is subjected to the vehicle weight, such as when moving the vehicle with the drive shaft removed.
After disconnecting the drive shaft from the axle hub, work carefully so as not to damage the ABS speed sensor rotor serration on the drive shaft.
- Raise and support vehicle.
- Remove wheel and tire assembly.
- Remove front fender apron seal.
- Drain automatic transmission fluid.
- Remove cotter pin and lock cap from drive shaft lock nut.
- With an assistant applying brakes, remove drive shaft lock nut.
- Disconnect tie rod end from steering knuckle.
- Disconne...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Toyota Avalon AUTOMOBILES
Starter, Replace
Vehicle: 2003 Toyota Avalon XL 3.0 V6 GAS
- Disconnect battery ground cable.
- On models equipped with coded audio anti-theft systems, refer to code procedures.
- On all models, remove battery and tray.
- On models equipped with cruise control, remove cruise control actuator as follows:
- Remove bolt, clip and actuator cover.
- Disconnect actuator co...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Toyota Avalon AUTOMOBILES
Cabin Air Filter Service -> Toyota -> 2000-04 Avalon
Vehicle: 2003 Toyota Avalon XL 3.0 V6 GAS
On 2000-02 models, under normal operating conditions the cabin air filter should be replaced every 15,000 miles. In dusty areas change the cabin air filter every 10,000 miles.
On 2003-04 models, under normal operating conditions the cabin air filter should be replaced every 22,500 miles. In dusty areas change the cabin air filter every 10,000 miles.
- Open the glove compartment door.
- Remove the five screws retaining the glove compartment to the instrument panel, Fig. .
- Disengage the glove compartment retaining clips using a screwdriver with tape placed over the screwdriver tip.
- Carefull...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Toyota Avalon AUTOMOBILES
Toyota -> Low Oil Level Warning Indicator ->
Vehicle: 2003 Toyota Avalon XLS 3.0 V6 GAS
This lamp lights to indicate that the engine oil level is below a specified level. The lamp will be illuminated during engine start-up. If...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Toyota Avalon AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2003 Toyota Avalon XL 3.0 V6 GAS
Inlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at heater core.
- Remove hose from heater core.
- Reposition hose clamp at water outlet.
- Remove hose from water outlet.
- Remove hose from vehicle.
- Reverse procedure to install.
Outlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp a...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Toyota Avalon AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Toyota Avalon XLS 3.0 V6 GAS
- Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Toyota Avalon AUTOMOBILES
Component location diagrams for most 2003 Toyota Avalon cars and light trucks sold in the U.S. from 1990+.
Instrument Panel Diagram for 2003 Toyota Avalon XL 3.0 V6 GAS Components on diagram: |
Automatic Transaxle Diagram for 2003 Toyota Avalon XL 3.0 V6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2003 Toyota Avalon AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Toyota Avalon cars and light trucks sold in the U.S.
2003 Toyota Avalon XL 3.0 V6 GAS Wiring Diagram Components on diagram: |
2003 Toyota Avalon XLS 3.0 V6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Toyota Avalon AUTOMOBILES
OEM TSB listings for most 2003 Toyota Avalon cars and light trucks sold in the U.S. from 1985+.
Document: LONG TERM VEHICLE STORAGE GUIDELINES Vehicle: 2003 Toyota Avalon XL 3.0 V6 GAS Auto Systems: |
Document: ENGINE "PINGING" OR "KNOCKING" NOISE - REVISED Vehicle: 2003 Toyota Avalon XL 3.0 V6 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Toyota Avalon AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Toyota Avalon 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 Toyota Avalon 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 Toyota Avalon 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 Toyota Avalon 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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