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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1999 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 1999 Lexus GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 Lexus GS300 cars and light trucks from 1990+.
Disc Brakes -> Front Disc Brakes -> Description
Vehicle: 1999 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 hydr...
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BRAKE SERVICE PROCEDURES FOR 1999 Lexus GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 Lexus GS300 cars and light trucks from 1990+.
Hydraulic Brake Systems -> Component Service -> Assemble -> Disassemble -> ES300 -> Inspection -> Master Cylinder -> Proportioning Valve
Vehicle: 1999 Lexus GS300 3.0 L6 GAS
Master Cylinder
Disassemble
- On IS300, ES300 & RX300 remove brake fluid reservoir.
- On all models, remove master cylinder boot, 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 m...
CLICK HERE TO GET FULL ACCESS TO 1999 Lexus GS300 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1999 Lexus GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 Lexus GS300 cars and light trucks from 1990+.
Hydraulic Brake Systems -> Troubleshooting
Vehicle: 1999 Lexus GS300 3.0 L6 GAS
Refer to Fig. f...
CLICK HERE TO GET FULL ACCESS TO 1999 Lexus GS300 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1999 Lexus GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 Lexus GS300 cars and light trucks from 1990+.
Disc Brakes -> Front Disc Brakes -> Brake Pad Service -> ES300 -> GS300, GS400, GS430 & SC430 -> IS300 -> LS400 & LS430 -> RX300 -> SC300 & SC400
Vehicle: 1999 Lexus GS300 3.0 L6 GAS
ES300
- 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 deformation, ...
CLICK HERE TO GET FULL ACCESS TO 1999 Lexus GS300 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1999 Lexus GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 Lexus GS300 cars and light trucks from 1990+.
Anti-lock Brakes -> System Service -> ABS Actuator -> Brake System Bleed -> Component Replacement -> GS300, GS400 & GS430 -> Hydraulic Brake Booster -> IS300 -> LS400 -> LS430 -> RX300 -> SC300 & SC400 -> SC430 -> Speed Sensors
Vehicle: 1999 Lexus GS300 3.0 L6 GAS
Brake System Bleed
Refer to "Hydraulic Brake Systems" for bleeding the ABS brake system.
Component Replacement
ABS Actuator
IS300
- Remove air cleaner and air cleaner inlet.
- Disconnect six brake lines from actuator.
- Disconnect two brake hoses and two electrical connectors, Fig. .
- Remove nut and two bolts, then the ABS & TRAC actuator.
- Reverse procedure to install, noting the following:
- After installation, fill brake reservoir with brake fluid and bleed brake system.
- Inspect brake system for leaks.
LS400
- Remove air cleaner assembly and air cleaner inlet.
- Remove battery clamp cover, bolt and air cl...
CLICK HERE TO GET FULL ACCESS TO 1999 Lexus GS300 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1999 Lexus GS300 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 Lexus GS300 cars and light trucks from 1990+.
Hydraulic Brake Systems -> Precautions -> Battery Ground Cable -> Coded Theft Protection Disarming
Vehicle: 1999 Lexus GS300 3.0 L6 GAS
Battery Ground Cable
Prior to service, disconnect battery ground cable and isolate as required.
Coded Theft Protection Disarming
- Obtain theft protection code number from ...
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