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1997 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
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 1997 Lexus GS300 AUTOMOBILES
Lexus -> Diagnosis & Testing -> A/C System Diagnosis & Testing -> 1996 ES 300 -> Accessing Diagnostic Trouble Codes -> Accessory Power Source Circuit -> Actuator Check Mode Inspection -> Air Inlet Servomotor Circuit -> Air Mix Control Servomotor Circuit Inspection -> Air Mix Damper Position Sensor -> Air Mix Damper Position Sensor Circuit Inspection -> Air Outlet Control Servomotor -> Air Vent Damper Control Mode Servomotor -> Ambient Temperature Sensor -> Back-Up Power Source Circuit Check -> Blower Motor Circuit Inspection -> Circuit Testing -> Clearing Diagnostic Trouble Codes -> Component Testing -> Compressor Circuit Inspection -> Compressor Lock Sensor Circuit Inspection -> Diagnostic Trouble Code Interpretation -> Electronic Control Unit -> Engine Coolant Temperature Circuit Inspection -> Engine Coolant Temperature Sensor -> ES 300 -> Evaporator Temperature Sensor -> Except GS 300 -> Extra High Relay -> GS 300 -> Heater Main Relay Circuit Inspection -> Igniter Circuit Inspection -> Ignition (IG) Power Source Circuit Inspection -> LS 400 -> Power Transistor Circuit Inspection -> Room Temperature Sensor -> SC 300 & SC 400 -> Solar Sensor -> Solar Sensor Circuit Inspection
Vehicle: 1997 Lexus GS300 3.0 L6 GAS
When servicing "LX 450" models, refer to "Land Cruiser" in for service procedures.
Accessing Diagnostic Trouble Codes
- On ES 300 models, turn the ignition switch to the ON position while pressing the air conditioner control AUTO button and fan down button simultaneously.
- On GS 300 models, turn the ignition switch to the ON position while pressing the air conditioner control AUTO button and F/R button simultaneously.
- On LS 400, SC 300 and SC 400 models, turn the ignition switch to the ON position while pressing the air conditioner control...
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BRAKE SERVICE PROCEDURES FOR 1997 Lexus GS300 AUTOMOBILES
Disc Brakes -> Front Disc Brakes -> Brake Pad Service -> ES300 -> GS300, GS400, GS430 & SC430 -> IS300 -> LS400 & LS430 -> RX300 -> SC300 & SC400
Vehicle: 1997 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, ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1997 Lexus GS300 AUTOMOBILES
Lexus -> Fuel Filter Replacement -> 1993-97 LS400, SC300, SC400 & GS300 -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 1997 Lexus GS300 3.0 L6 GAS
Fuel System Pressure Relief
- Obtain the vehicle owners radio theft protection code prior to disconnecting the battery ground cable, if equipped.
- From the luggage compartment, remove the luggage compartment floor mat and trim cover.
- Disconnect the fuel pump electrical connector, Figs. through .
- Start the engine and allow to idle until it stalls.
- Place the ignition switch in the Lock position.
- Disconnect the battery ground cable.
- Connect the fuel pump electrical connector.
- Install the luggage compartment trim cover and floor mat.
Removal & Installation
Do not smoke or al...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1997 Lexus GS300 AUTOMOBILES
CV AXLE SHAFT, Replace -> Rear
Vehicle: 1997 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 1997 Lexus GS300 AUTOMOBILES
Alternator, Replace
Vehicle: 1997 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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MAINTENANCE LAMP RESET PROCEDURES FOR 1997 Lexus GS300 AUTOMOBILES
Lexus -> Overdrive (O/D) Indicator Lamp ->
Vehicle: 1997 Lexus GS300 3.0 L6 GAS
The automatic transmission electrical system possesses internal self-diagnostic capabilities. If a fault occurs within the system, the Electronic Control Module (ECM) stores a diagnostic trouble code and the "... "
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1997 Lexus GS300 AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1997 Lexus GS300 3.0 L6 GAS
Inlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at heater core.
- Remove hose from heater core.
- Reposition hose clamp at thermostat housing.
- Remove hose from thermostat housing.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1997 Lexus GS300 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1997 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 1997 Lexus GS300 AUTOMOBILES
Component location diagrams for most 1997 Lexus GS300 cars and light trucks sold in the U.S. from 1990+.
Instrument Panel Relay Locations Diagram for 1997 Lexus GS300 3.0 L6 GAS Components on diagram: |
Engine Compartment Connector Locations, J1 Through W6 Diagram for 1997 Lexus GS300 3.0 L6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1997 Lexus GS300 AUTOMOBILES
OEM drawn wiring diagrams for most 1997 Lexus GS300 cars and light trucks sold in the U.S.
1997 Lexus GS300 3.0 L6 GAS Wiring Diagram Components on diagram: |
1997 Lexus GS300 3.0 L6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1997 Lexus GS300 AUTOMOBILES
OEM TSB listings for most 1997 Lexus GS300 cars and light trucks sold in the U.S. from 1985+.
Document: PERMANENT-TYPE PROTECTIVE WAX COATINGS Vehicle: 1997 Lexus GS300 3.0 L6 GAS Auto Systems: |
Document: REPLACEMENT CERTIFICATION LABELS - REVISED Vehicle: 1997 Lexus GS300 3.0 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1997 Lexus GS300 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1997 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 1997 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 1997 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 1997 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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