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1998 Toyota Supra CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Toyota REPAIR SHOPS DON'T WANT YOU TO KNOW
Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!Select Section
- 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 1998 Toyota Supra AUTOMOBILES
Import Compressor Service -> Zexel Compressor -> Compressor Seal, Replace
Vehicle: 1998 Toyota Supra 3.0 L6 GAS
- Remove magnetic clutch assembly as described under "Compressor Clutch, Replace."
- Drain compressor oil, then using shaft seal remover tool No. J-33942, or equivalent, remove shaft seal cover.
- Remove bolt with gasket, then the front cylinder head by alternately tapping cylinder head projections with a plastic hamme...
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BRAKE SERVICE PROCEDURES FOR 1998 Toyota Supra AUTOMOBILES
Power Brake Units -> Description
Vehicle: 1998 Toyota Supra 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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FUEL FILTER REPLACEMENT PROCEDURES FOR 1998 Toyota Supra AUTOMOBILES
Toyota -> Fuel Filter Replacement -> Corona, Cressida, Paseo, Starlet, Supra & Tercel -> Fuel System Pressure Relief -> Models Less Union Bolt Fuel Line Connection -> Models w/Union Bolt Fuel Line Connection -> Removal & Installation
Vehicle: 1998 Toyota Supra 3.0 L6 GAS
Fuel System Pressure Relief
Models w/Union Bolt Fuel Line Connection
- Obtain the vehicle owners radio theft protection code prior to disconnecting the battery ground cable, if equipped.
- Disconnect the battery ground cable.
- Remove the fuel fill cap to release fuel tank pressure.
- Place a shop towel over the union bolt at top of fuel filter. Slowly loosen the union bolt allowing fuel pressure to bleed down.
- Whenever the union bolt is loosened to relieve fuel system pressure, always replace the bolt gasket.
Models Less Union Bolt Fuel Line Connection
- Obtain t...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1998 Toyota Supra AUTOMOBILES
CV AXLE SHAFT, Replace -> Front
Vehicle: 1998 Toyota Supra Twin Turbo 3.0 L6 GAS
Front
- Raise and support vehicle, then remove front wheels.
- Disconnect exhaust pipe, support rings, and support O-rings.
- Remove cotter pin, and lock cap and depress brake pedal and remove wheel hub nut.
- Remove brake caliper and support with wire. Remove rotor.
- Remove ABS speed sensor from steering knuckle, then loosen nuts on lower side of shock absorber. Do not remove bolts at this time.
- Remove lower suspension arm brace bolts.
- Place reference mark on driveshaft and side gear shaft.
- Remove six hexagon bolts and three washers while depressing brake pedal. Apply a light coat of eng...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1998 Toyota Supra AUTOMOBILES
Starter, Replace
Vehicle: 1998 Toyota Supra 3.0 L6 GAS
- Disconnect battery ground cable.
- Disconnect electrical connectors ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1998 Toyota Supra AUTOMOBILES
Toyota -> Low Oil Level Warning Indicator ->
Vehicle: 1998 Toyota Supra 3.0 L6 GAS
This lamp lights to indicate that the engine oil level is below a specified level. The lamp will be illuminated during engine start-up. If...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1998 Toyota Supra AUTOMOBILES
Radiator, Replace
Vehicle: 1998 Toyota Supra Twin Turbo 3.0 L6 GAS
- Remove engine under cover, Fig. .
- Remove battery and battery tray.
- Drain coolant.
- Remove No. 2 air tube.
- Remove No. 2 fan shroud.
- Remove air cleaner duct.
- Remove No. 5 air hose.
- Remove lefthand headlight beam angle gauge.
- Disconnect radiator hoses.
- On models equipped with automatic transmiss...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1998 Toyota Supra AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1998 Toyota Supra 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 Toyota Supra AUTOMOBILES
Component location diagrams for most 1998 Toyota Supra cars and light trucks sold in the U.S. from 1990+.
Body Relay Locations Diagram for 1998 Toyota Supra 3.0 L6 GAS Components on diagram: |
I/P Relay Locations Diagram for 1998 Toyota Supra 3.0 L6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1998 Toyota Supra AUTOMOBILES
OEM drawn wiring diagrams for most 1998 Toyota Supra cars and light trucks sold in the U.S.
1998 Toyota Supra Twin Turbo 3.0 L6 GAS Wiring Diagram Components on diagram: |
1998 Toyota Supra 3.0 L6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1998 Toyota Supra AUTOMOBILES
OEM TSB listings for most 1998 Toyota Supra cars and light trucks sold in the U.S. from 1985+.
Document: REPLACEMENT CERTIFICATION LABELS - REVISED Vehicle: 1998 Toyota Supra 3.0 L6 GAS Auto Systems: |
Document: PERMANENT-TYPE PROTECTIVE WAX COATINGS Vehicle: 1998 Toyota Supra 3.0 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1998 Toyota Supra AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1998 Toyota Supra 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 Toyota Supra 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 Toyota Supra 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 Toyota Supra 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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