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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 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 2004 Lexus GS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Lexus GS430 cars and light trucks from 1990+.
Lexus -> Power Brake Units -> Description
Vehicle: 2004 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...
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BRAKE SERVICE PROCEDURES FOR 2004 Lexus GS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Lexus GS430 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: 2004 Lexus GS430 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...
CLICK HERE TO GET FULL ACCESS TO 2004 Lexus GS430 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2004 Lexus GS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Lexus GS430 cars and light trucks from 1990+.
Lexus -> Power Brake Units -> Adjustments -> Brake Pedal Freeplay -> Brake Pedal Height -> Except LX470 -> LX470
Vehicle: 2004 Lexus GS430 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 ...
CLICK HERE TO GET FULL ACCESS TO 2004 Lexus GS430 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2004 Lexus GS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Lexus GS430 cars and light trucks from 1990+.
Lexus -> Disc Brakes -> Rotor, Replace -> ES300 & ES330 -> Front -> GS300, GS430 & SC430 -> GX470 & LX470 -> IS300 -> LS430 -> Rear -> RX300 & RX330
Vehicle: 2004 Lexus GS430 4.3 V8 GAS
Front
ES300 & ES330
Remove front rotor as shown in Fig. .
GS300, GS430 & SC430
Remove front rotor as shown in Fig. .
IS300
Remove front rotor as shown in Fig. .
LS430
Remove front rotor as shown in Fig. .
GX470 & LX470
Remove front rotor and shown in Figs. and .
RX300 & RX330
Remove front rotor as shown in Fi...
CLICK HERE TO GET FULL ACCESS TO 2004 Lexus GS430 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2004 Lexus GS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Lexus GS430 cars and light trucks from 1990+.
Lexus -> Power Brake Units -> Diagnosis & Testing -> Air Tightness Inspection -> Brake Booster Operational Test -> Brake Pedal Reserve Distance Inspection -> Except LX470 -> Operating inspection
Vehicle: 2004 Lexus GS430 4.3 V8 GAS
Brake Pedal Reserve Distance Inspection
Except LX470
- Release parking brake.
- With engine running, depress brake pedal and measure pedal reserve distance, Fig. .
- On LS430 models, reserve height should be more than 2.36 inches at 110.2 ft. lbs. of pressure.
- On IS300 models, reserve height should be more than 3.90 inches at 110.2 ft. lbs. of pressure.
- On RX300 models, reserve height should be more than 4.80 inches at 110.2 ft. lbs. of pressure.
- On SC430 models, reserve height should be more than 3.94 inches at 44.1 ft. lbs. of pressure.
Brake Booster Operational Test
Operating inspection
- ...
CLICK HERE TO GET FULL ACCESS TO 2004 Lexus GS430 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2004 Lexus GS430 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Lexus GS430 cars and light trucks from 1990+.
Lexus -> Hydraulic Brake Systems -> Troubleshooting
Vehicle: 2004 Lexus GS430 4.3 V8 GAS
Refer to Fig. f...
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