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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Lexus GS430 car and truck
repair procedures including Lexus 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
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BRAKE SERVICE PROCEDURES FOR 2003 Lexus GS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus GS430 cars and light trucks from 1990+.
Lexus -> Hydraulic Brake Systems -> Description
Vehicle: 2003 Lexus GS430 4.3 V8 GAS
When the brake pedal is depressed, a vacuum builds up in the booster which amplifies the pedal force, pressing on the piston in the master cylinder. The piston raises the hydraulic pressure in the cylinder. This ...
CLICK HERE TO GET FULL ACCESS TO 2003 Lexus GS430 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Lexus GS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus GS430 cars and light trucks from 1990+.
Lexus -> Hydraulic Brake Systems -> Precautions -> Coded Theft Protection Disarming
Vehicle: 2003 Lexus GS430 4.3 V8 GAS
Coded Theft Protection Disarming
- Obtain theft protection code number from customer.
- Enter code number prior to disconnecti...
CLICK HERE TO GET FULL ACCESS TO 2003 Lexus GS430 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Lexus GS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus GS430 cars and light trucks from 1990+.
Lexus -> Power Brake Units -> Power Brake Unit Service -> Brake Booster Overhaul -> Brake Booster, Replace -> ES300 & ES330 -> Installation -> IS300 -> LS430 -> LX470 -> Removal -> RX300 & RX330
Vehicle: 2003 Lexus GS430 4.3 V8 GAS
Brake Booster, Replace
ES300 & ES330
Removal
- Remove master cylinder as outlined under .
- Remove charcoal vapor canister as required.
- Remove brake booster vacuum hose.
- Remove pedal return spring, clip, clevis pin and clevis locknut, Fig. .
- Remove brake booster nuts. Pull out booster and gasket.
Installation
- Adjust length of booster pushrod as follows:
- Install gasket on master cylinder.
- Install brake booster pushrod gauge tool No. 09737-00010, or equivalent, on gasket.
- Lower pin until its tip slightly touches the piston.
- Turn gauge tool upside down and set it on booster.
- Measure clearan...
CLICK HERE TO GET FULL ACCESS TO 2003 Lexus GS430 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Lexus GS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus GS430 cars and light trucks from 1990+.
Lexus -> Disc Brakes -> Troubleshooting
Vehicle: 2003 Lexus GS430 4.3 V8 GAS
Refer to chart...
CLICK HERE TO GET FULL ACCESS TO 2003 Lexus GS430 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Lexus GS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus GS430 cars and light trucks from 1990+.
Lexus -> Power Brake Units -> Precautions -> Audio Coded Anti-Theft System -> Except LX470 -> LX470
Vehicle: 2003 Lexus GS430 4.3 V8 GAS
Audio Coded Anti-Theft System
Except LX470
- Obtain theft protection code number from customer.
- Enter code number prior to disconnecting battery ground cable.
- Perform service required.
- Turn radio to On position, "CODE" will be displayed, enter code to restore operation.
LX470
Some models are equipped with an audio coded anti-theft system that will disable the radio when the battery cable is disconnected. The system can be identified by the "ANTI-THEFT SYSTEM" on the cassette tape lid. Obtain 3 digit customer code for input. Reset system after service as follows:
- Obtain 3 digit audio anti-theft co...
CLICK HERE TO GET FULL ACCESS TO 2003 Lexus GS430 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Lexus GS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus GS430 cars and light trucks from 1990+.
Lexus -> Power Brake Units -> Description
Vehicle: 2003 Lexus GS430 4.3 V8 GAS
When the brake pedal is depressed, a vacuum builds up in the booster which amplifies the pedal force, pressing on the piston in the master cylinder. The piston raises the hydraulic pressure in the cylinder. This hyd...
CLICK HERE TO GET FULL ACCESS TO 2003 Lexus GS430 BRAKE SERVICE PROCEDURES
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