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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Lexus LS430 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 LS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus LS430 cars and light trucks from 1990+.
Lexus -> Disc Brakes -> Parking Brake Service -> Adjustment -> Assemble -> Disassemble
Vehicle: 2003 Lexus LS430 4.3 V8 GAS
Disassemble
- Remove rear disc brake assembly and suspend securely. Do not let caliper hang by brake hose.
- Remove rotor disc, Fig. . If it cannot be removed easily, return shoe adjuster until wheel turns freely, then remove rotor.
- Remove shoe return springs.
- Remove front shoe as follows:
- Slide out front shoe, remove adjuster.
- Remove shoe strut with spring.
- Disconnect tension spring and remove shoe.
- Remove rear shoe as follows:
- Slide out rear shoe and remove tension spring.
- Disconnect parking brake cable from shoe lever.
- Remove shoe hold-down cups, springs and pins.
Assemble
- Apply high te...
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BRAKE SERVICE PROCEDURES FOR 2003 Lexus LS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus LS430 cars and light trucks from 1990+.
Lexus -> Disc Brakes -> Caliper Service -> Assemble -> Disassemble -> ES300 & ES330 -> Front -> GS300, GS430, IS300 & SC430 -> GX470 -> LS430 -> LX470 -> Overhaul -> Rear -> Replacement -> RX300
Vehicle: 2003 Lexus LS430 4.3 V8 GAS
Front
Replacement
- Remove brake hose from caliper assembly, by removing union bolt and gaskets.
- Remove caliper bolts from torque plate, then the caliper.
- Remove brake pads and hardware as outlined under .
- Reverse procedure to install, noting the following:
- Use new gaskets on union bolt and tighten union bolt to specifications.
- Tighten caliper bolts to specifications.
- Fill reservoir, then bleed brakes and check for leaks.
Overhaul
Disassemble
- Remove calipers as outlined.
- Remove cylinder boot set rings and cylinder boots.
- Place a piece of cloth between piston and caliper, then, using compressed...
CLICK HERE TO GET FULL ACCESS TO 2003 Lexus LS430 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Lexus LS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus LS430 cars and light trucks from 1990+.
Lexus -> Disc Brakes -> Tightening Specifications -> Front Disc -> Rear Disc
Vehicle: 2003 Lexus LS430 4.3 V8 GAS
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BRAKE SERVICE PROCEDURES FOR 2003 Lexus LS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus LS430 cars and light trucks from 1990+.
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 LS430 4.3 V8 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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BRAKE SERVICE PROCEDURES FOR 2003 Lexus LS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus LS430 cars and light trucks from 1990+.
Lexus -> Power Brake Units -> Description
Vehicle: 2003 Lexus LS430 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 LS430 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Lexus LS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus LS430 cars and light trucks from 1990+.
Lexus -> Power Brake Units -> Adjustments -> Brake Pedal Freeplay -> Brake Pedal Height -> Except LX470 -> LX470
Vehicle: 2003 Lexus LS430 4.3 V8 GAS
Brake Pedal Height
Except LX470
- Measure brake pedal height, Fig. .
- On RX300 models, pedal height should be 7.598-7.992 inches.
- On RX330 models, pedal height should be 5.906-6.299 inches.
- On ES300 and ES330 models, pedal height should be 5.673-6.067 inches.
- On LS430 models, pedal height should be 6.654-7.047 inches.
- On IS300 models, pedal height should be 6.063-6.457 inches.
- On all models, if pedal height measurements are not as specified, adjust as follows:
- Remove undercover and lower dash finish panel.
- Disconnect stop lamp switch.
- Loosen stop light switch locknut, then back out switch.
- Loosen ...
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