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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 Lexus GS300 car and truck
repair procedures including Lexus engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
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BRAKE SERVICE PROCEDURES FOR 2004 Lexus GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Lexus GS300 cars and light trucks from 1990+.
Lexus -> Power Brake Units -> Description
Vehicle: 2004 Lexus GS300 3.0 L6 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 GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Lexus GS300 cars and light trucks from 1990+.
Lexus -> Disc Brakes -> Brake Pad Service -> ES300 -> ES300 & ES330 -> ES330 -> Front -> GS300, GS430 & SC430 -> GS300, GS430, IS300 & SC430 -> GX470 -> IS300 -> LS430 -> LX470 -> Rear -> RX300 -> RX330
Vehicle: 2004 Lexus GS300 3.0 L6 GAS
Front
ES300 & ES330
- Remove front wheels and temporarily secure discs with lug nuts.
- Inspect brake pad thickness through caliper inspection hole.
- Replace brake pads if thickness is less than .039 inch.
- Remove bolt securing caliper flexible hose to front shock absorber.
- Remove bottom side installation bolt, then lift up caliper and suspend securely.
- Do not disconnect flexible hose from caliper.
- Remove two brake pads with four anti-squeal shims, Fig. .
- Remove pad wear indicator plate.
- Remove two pad support plates. Support plates can be used again provided they have sufficient rebound, no ...
CLICK HERE TO GET FULL ACCESS TO 2004 Lexus GS300 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2004 Lexus GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Lexus GS300 cars and light trucks from 1990+.
Lexus -> Power Brake Units -> Adjustments -> Brake Pedal Freeplay -> Brake Pedal Height -> Except LX470 -> LX470
Vehicle: 2004 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 2004 Lexus GS300 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2004 Lexus GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Lexus GS300 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 GS300 3.0 L6 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 GS300 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2004 Lexus GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Lexus GS300 cars and light trucks from 1990+.
Lexus -> Disc Brakes -> Parking Brake Service -> Adjustment -> Assemble -> Disassemble
Vehicle: 2004 Lexus GS300 3.0 L6 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...
CLICK HERE TO GET FULL ACCESS TO 2004 Lexus GS300 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2004 Lexus GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2004 Lexus GS300 cars and light trucks from 1990+.
Lexus -> Hydraulic Brake Systems -> Brake System Bleed -> Brake Lines -> Except LX470 -> Master Cylinder -> Traction Control (TRAC) System
Vehicle: 2004 Lexus GS300 3.0 L6 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 2004 Lexus GS300 BRAKE SERVICE PROCEDURES
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