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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Lexus GS300 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 GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus GS300 cars and light trucks from 1990+.
Lexus -> Disc Brakes -> Tightening Specifications -> Front Disc -> Rear Disc
Vehicle: 2003 Lexus GS300 3.0 L6 GAS
CLICK HERE TO GET FULL ACCESS TO 2003 Lexus GS300 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Lexus GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus GS300 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: 2003 Lexus GS300 3.0 L6 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 2003 Lexus GS300 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Lexus GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus GS300 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 GS300 3.0 L6 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 GS300 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Lexus GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus GS300 cars and light trucks from 1990+.
Lexus -> Hydraulic Brake Systems -> Component Service -> Assemble -> Disassemble -> ES300 & ES330 -> Except LX470 -> GS300, GS430 & SC430 -> GX470 -> Hydraulic Brake Booster -> Inspection -> LX470 -> Master Cylinder -> Models w/Load Sensing Proportioning Valve (LSPV) -> Models w/Proportioning & Bypass Valve (P-BV) -> Proportioning Valve -> RX300
Vehicle: 2003 Lexus GS300 3.0 L6 GAS
Master Cylinder
Except LX470
Disassemble
- Remove brake fluid reservoir, Figs. through .
- Remove set screw, then the reservoir tank.
- Remove cap and strainer from reservoir.
- Remove two grommets, then place cylinder in suitable vise.
- On models less TRAC and VSC, push piston in and remove stopper bolt.
- On models with TRAC, push pistons in and remove No. 1, then No. 2 stopper bolts.
- On models with VSC, push in piston with a screwdriver, then remove straight pin by turning over cylinder body. Tape screwdriver tip before using it.
- On all models, push pistons in and remove snap ring, then carefu...
CLICK HERE TO GET FULL ACCESS TO 2003 Lexus GS300 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Lexus GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus GS300 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: 2003 Lexus GS300 3.0 L6 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 2003 Lexus GS300 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Lexus GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus GS300 cars and light trucks from 1990+.
Lexus -> Power Brake Units -> Adjustments -> Brake Pedal Freeplay -> Brake Pedal Height -> Except LX470 -> LX470
Vehicle: 2003 Lexus GS300 3.0 L6 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 2003 Lexus GS300 BRAKE SERVICE PROCEDURES
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