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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Lexus RX300 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 RX300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus RX300 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 RX300 3.0 V6 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...
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BRAKE SERVICE PROCEDURES FOR 2003 Lexus RX300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus RX300 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 RX300 3.0 V6 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 RX300 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Lexus RX300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus RX300 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 RX300 3.0 V6 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 RX300 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Lexus RX300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus RX300 cars and light trucks from 1990+.
Lexus -> Hydraulic Brake Systems -> Brake System Bleed -> Brake Lines -> Except LX470 -> Master Cylinder -> Traction Control (TRAC) System
Vehicle: 2003 Lexus RX300 3.0 V6 GAS
Master Cylinder
- Fill reservoir with fluid.
- Disconnect tubes from master cylinder. Then slowly depress brake pedal and hold.
- Block off outlet holes with fingers and release pedal. Repeat three or four times.
Brake Lines
Bleed wheel with longest brake line first, then work back to the master cylinder according to brake line length.
- Connect tube to brake cylinder.
- Depress pedal several times and hold, then loosen bleeder plug with pedal still held down.
- When fluid stops coming out, tighten bleeder plug and release pedal. Repeat several times.
- Repeat entire...
CLICK HERE TO GET FULL ACCESS TO 2003 Lexus RX300 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Lexus RX300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus RX300 cars and light trucks from 1990+.
Lexus -> Disc Brakes -> Tightening Specifications -> Front Disc -> Rear Disc
Vehicle: 2003 Lexus RX300 3.0 V6 GAS
CLICK HERE TO GET FULL ACCESS TO 2003 Lexus RX300 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2003 Lexus RX300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lexus RX300 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 RX300 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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