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2003 Lexus ES300 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Lexus 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 Lexus ES300 AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2003 Lexus ES300 3.0 V6 GAS
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BRAKE SERVICE PROCEDURES FOR 2003 Lexus ES300 AUTOMOBILES
Lexus -> Hydraulic Brake Systems -> Component Replacement -> Except LX470 -> GS300, GS430 & SC430 -> GX470 -> Hydraulic Brake Booster -> LX470 -> Master Cylinder -> Traction Control (TRAC) Actuator
Vehicle: 2003 Lexus ES300 3.0 V6 GAS
Master Cylinder
Except LX470
- Remove air cleaner cover with air cleaner hose.
- Disconnect level warning switch connector.
- Remove brake fluid with suitable syringe.
- Remove brake lines with brake line wrench No. 09023-00100 and 09751-36011, or equivalents.
- Remove master cylinder mounting nuts, then the master cylinder and gasket.
- Reverse procedure to install, noting the following:
- Adjust length of booster pushrod before installation of master cylinder.
- After installation, fill brake fluid and bleed brake system.
- Inspect for brake fluid leaks.
- Inspect and adjust brake pedal.
LX470
- Remove br...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Lexus ES300 AUTOMOBILES
Lexus -> Fuel Filter Scheduled Maintenance -> -> Normal Service -> Severe Service
Vehicle: 2003 Lexus ES300 3.0 V6 GAS
Normal Service
Manufacturer does not specify service interval
...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Lexus ES300 AUTOMOBILES
CV AXLE SHAFT, Replace -> Front
Vehicle: 2003 Lexus ES300 3.0 V6 GAS
Front
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and front wheels.
- Remove front fender apron seal.
- Remove drain plug from transaxle and drain transaxle fluid.
- Remove split pin and driveshaft castle nut and washer from front hub.
- Apply brake and remove lefthand axle hub nut.
- Remove lefthand front stabilizer nut and separate link assembly. If ball joint turns together with nut use suitable tool to hold stud.
- Disconnect lefthand speed sensor harness clip and separate sensor wire and hose from shock absorber. Do not damage speed...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Lexus ES300 AUTOMOBILES
Starter, Replace
Vehicle: 2003 Lexus ES300 3.0 V6 GAS
- Disconnect battery ground cable.
- Remove battery assembly.
- Remove air cleaner assembly and cleaner bracket.
- Remove air cleaner ...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Lexus ES300 AUTOMOBILES
Cabin Air Filter Service -> Lexus -> 2002-03 ES300
Vehicle: 2003 Lexus ES300 3.0 V6 GAS
The cabin air filter should be replaced every 7,500 miles or 6 months. The filter should be replaced more often if air flow is less than normal.
- Open the glove compartment.
- Remove the screw attaching the glove compartment brace to the glove compartment.
- Remove the two retaining pins located at the upper portion of the glove compartment, then lower the glove compartment, Fig. .
- Through the glove compartment opening, remove the cabin air filter housing, Fig. .
- Remove...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Lexus ES300 AUTOMOBILES
Lexus -> Engine Oil Reminder/Maintenance Required Lamp -> 2001-03 ES300
Vehicle: 2003 Lexus ES300 3.0 V6 GAS
To reset OIL REPLACEMENT REMINDER LIGHT, turn the ignition key to the Off position with the odometer reading outlined. Turn the ignition key to the On position while holding down the ODO/TRIP butto...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Lexus ES300 AUTOMOBILES
Radiator, Replace
Vehicle: 2003 Lexus ES300 3.0 V6 GAS
- Drain coolant.
- Disconnect radiator hose inlet.
- Disconnect radiator hose outlet.
- Disconnect oil cooler inlet hose.
- Disconnect oil cooler outlet hose no.2.
- Remove the 3 bolts, the air cleaner inlet and air cleaner inlet.
- Remove the radiator lower air deflec...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Lexus ES300 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Lexus ES300 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 Lexus ES300 AUTOMOBILES
Component location diagrams for most 2003 Lexus ES300 cars and light trucks sold in the U.S. from 1990+.
Body Components Diagram for 2003 Lexus ES300 3.0 V6 GAS Components on diagram: |
Theft Deterrent System Components Diagram for 2003 Lexus ES300 3.0 V6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2003 Lexus ES300 AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Lexus ES300 cars and light trucks sold in the U.S.
2003 Lexus ES300 3.0 V6 GAS Wiring Diagram Components on diagram: |
2003 Lexus ES300 3.0 V6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Lexus ES300 AUTOMOBILES
OEM TSB listings for most 2003 Lexus ES300 cars and light trucks sold in the U.S. from 1985+.
Document: REPAIR MANUAL SUPPLEMENT: VEHICLE PULLING TO ONE SIDE - REVISED Vehicle: 2003 Lexus ES300 3.0 V6 GAS Symptoms: |
Document: STEERING INTERMEDIATE SHAFT NOISE - REVISED Vehicle: 2003 Lexus ES300 3.0 V6 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Lexus ES300 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Lexus ES300 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 Lexus ES300 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 Lexus ES300 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 Lexus ES300 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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