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1998 Lexus GS300 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Lexus REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 1998 Lexus GS300 AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 1998 Lexus GS300 3.0 L6 GAS
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BRAKE SERVICE PROCEDURES FOR 1998 Lexus GS300 AUTOMOBILES
Hydraulic Brake Systems -> Precautions -> Battery Ground Cable -> Coded Theft Protection Disarming
Vehicle: 1998 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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FUEL FILTER REPLACEMENT PROCEDURES FOR 1998 Lexus GS300 AUTOMOBILES
Lexus -> Component Locations -> GS430, LS430, LX470, RX300, RX330, RX400h, SC430 & 1998-06 GS300
Vehicle: 1998 Lexus GS300 3.0 L6 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1998 Lexus GS300 AUTOMOBILES
CV AXLE SHAFT, Replace -> Rear
Vehicle: 1998 Lexus GS300 3.0 L6 GAS
Rear
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and rear wheels.
- Disconnect exhaust pipe. Support exhaust pipe assembly securely.
- Remove split pin and driveshaft castle nut and washer from front hub.
- Place reference mark on driveshaft and side gear shaft. Do not use a punch to mark matchmarks, use paint.
- Remove six hexagon bolts and two washers while depressing brake ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1998 Lexus GS300 AUTOMOBILES
Alternator, Replace
Vehicle: 1998 Lexus GS300 3.0 L6 GAS
- Disconnect battery ground cable.
- Remove engine under cover.
- Remove drive belt.
- Disconnect alternator electrical connector.
- Remove rubber cap and nut, then disconnec...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 1998 Lexus GS300 AUTOMOBILES
Cabin Air Filter Service -> Lexus -> 1998-2001 GS300, GS400 & GS430
Vehicle: 1998 Lexus GS300 3.0 L6 GAS
The cabin air filter should be replaced every 30,000 miles or 24 months. If the vehicle is operated primarily in urban areas with high concentrations of soot and diesel powered vehicles, replace the filter every 15,000 miles. The filter should be replaced more often if air flow is less than normal.
- Disconnect and isolate the battery ground cable. After disconnecting the battery ground cable wait at least 90 seconds to allow the air bag system backup power discharge.
- Remove glove compartment to instrument panel attaching bolts....
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MAINTENANCE LAMP RESET PROCEDURES FOR 1998 Lexus GS300 AUTOMOBILES
Lexus -> Air Bag Warning Lamp -> 1993-2000 GS300
Vehicle: 1998 Lexus GS300 3.0 L6 GAS
The air bag system warning lamp warns of air bag system faults. The lamp will be lit when the ignition switch is placed in the Accessory or On positions, but should go out when the self-diagnostic system determines that no faults are present. If the lamp remains lit or flashes, a system fault is indicated. Air bag system diagnosis and repair procedures must be completed before the warning lamp can be reset.
Reset warning lamp as follows:
- Connect service wires to check connec...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1998 Lexus GS300 AUTOMOBILES
Radiator, Replace
Vehicle: 1998 Lexus GS300 3.0 L6 GAS
- Raise and support vehicle.
- Drain coolant from engine and radiator into a suitable container.
- Remove battery and tray, then disconnect cruise control actuator and mounting from body.
- Disconnect upper radiator and coolant reservoir hoses from radiator.
- Disconnect lower radiator hose at engine, then transaxle oil cooler extension lines.
- Disconnect electric cooling fan co...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1998 Lexus GS300 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1998 Lexus GS300 3.0 L6 GAS
- Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...
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COMPONENT LOCATION DIAGRAMS FOR 1998 Lexus GS300 AUTOMOBILES
Component location diagrams for most 1998 Lexus GS300 cars and light trucks sold in the U.S. from 1990+.
Engine Compartment Connector Locations, A1 Through H17 Diagram for 1998 Lexus GS300 3.0 L6 GAS Components on diagram: |
Passenger Compartment Connector Locations, A31 Through J22 Diagram for 1998 Lexus GS300 3.0 L6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1998 Lexus GS300 AUTOMOBILES
OEM drawn wiring diagrams for most 1998 Lexus GS300 cars and light trucks sold in the U.S.
1998 Lexus GS300 3.0 L6 GAS Wiring Diagram Components on diagram: |
1998 Lexus GS300 3.0 L6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1998 Lexus GS300 AUTOMOBILES
OEM TSB listings for most 1998 Lexus GS300 cars and light trucks sold in the U.S. from 1985+.
Document: PERMANENT-TYPE PROTECTIVE WAX COATINGS Vehicle: 1998 Lexus GS300 3.0 L6 GAS Auto Systems: |
Document: REPLACEMENT CERTIFICATION LABELS - REVISED Vehicle: 1998 Lexus GS300 3.0 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1998 Lexus GS300 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1998 Lexus GS300 cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1998 Lexus GS300 cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1998 Lexus GS300 cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1998 Lexus GS300 cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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