Auto Parts Search
1991 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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Toyota Supra car and truck
repair procedures including Toyota 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
your Toyota Supra automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1991 Toyota Supra AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 1991 Toyota Supra 3.0 L6 GAS
CLICK HERE TO GET FULL ACCESS TO 1991 Toyota Supra A/C & HEATER SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Toyota Supra AUTOMOBILES
TOYOTA, HYDRAULIC BRAKES -> BLEED BRAKES -> BRAKE LINES -> MASTER CYLINDER
Vehicle: 1991 Toyota Supra 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 your way ba...
CLICK HERE TO GET FULL ACCESS TO 1991 Toyota Supra BRAKE SERVICE PROCEDURES
FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 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: 1991 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...
CLICK HERE TO GET FULL ACCESS TO 1991 Toyota Supra FUEL FILTER REPLACEMENT PROCEDURES
DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Toyota Supra AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1991 Toyota Supra 3.0 L6 GAS
- Raise and support vehicle, then remove front wheels as necessary and front fender apron seal.
- Remove cotter pin, locknut cap and locknut from axle spline.
- Drain transmission fluid, then using a suitable puller, disconnect tie rod end from steering knuckle.
- Disconnect stabilizer bar link from lower control arm.
- Disconnect ball joint from steering knuckle.
- To separate LH driveshaft from transmission, gently pry shaft out of transaxle with suitable tool, then remove snap ring from splined end of side gear shaft.
- To separate RH driveshaft from transmission proceed as follows:
- Remove...
CLICK HERE TO GET FULL ACCESS TO 1991 Toyota Supra DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES
STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Toyota Supra AUTOMOBILES
Starter, Replace
Vehicle: 1991 Toyota Supra 3.0 L6 GAS
- Disconnect battery ground cable from negative terminal of battery. Work must be started after approximately 20 seconds or longer from time ignition switch is turned to LOCK position and negative terminal cable is disconnected from battery.
- Remove...
CLICK HERE TO GET FULL ACCESS TO 1991 Toyota Supra STARTER & ALTERNATOR REPLACEMENT PROCEDURES
MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Toyota Supra AUTOMOBILES
Toyota -> Air Bag Warning Lamp -> 1990-98 Supra
Vehicle: 1991 Toyota Supra 3.0 L6 GAS
The air bag system warning lamp is used to warn of a system fault. The lamp will light during engine start-up, but should go out when the self-diagnostic system determines that no faults are present. If the lamp remains lit, a fault in the air bag system is indicated. The air bag system must be diagnosed and repaired, then the following procedures can be used to reset the warning lamp.
- Connect service wires to check conne...
CLICK HERE TO GET FULL ACCESS TO 1991 Toyota Supra MAINTENANCE LAMP RESET PROCEDURES
RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Toyota Supra AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1991 Toyota Supra 3.0 L6 GAS
Lower
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at radiator outlet.
- Remove hose from radiator.
- Reposition hose clamp at water inlet housing.
- Remove hose from water inlet housing.
- Remove hose from vehicle.
- Reverse pr...
CLICK HERE TO GET FULL ACCESS TO 1991 Toyota Supra RADIATOR & HOSE REPLACEMENT PROCEDURES
SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Toyota Supra AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 Toyota Supra 3.0 L6 GAS
- Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...
CLICK HERE TO GET FULL ACCESS TO 1991 Toyota Supra SERPENTINE BELT SERVICE PROCEDURES
COMPONENT LOCATION DIAGRAMS FOR 1991 Toyota Supra AUTOMOBILES
Component location diagrams for most 1991 Toyota Supra cars and light trucks sold in the U.S. from 1990+.
 I/P Main Harness Connectors Diagram for 1991 Toyota Supra 3.0 L6 GASComponents on diagram: |
 Engine Compartment Ground Points Diagram for 1991 Toyota Supra 3.0 L6 GASComponents on diagram: |
CLICK HERE TO GET FULL ACCESS TO 1991 Toyota Supra PARTS/COMPONENTS LOCATION DIAGRAMS!
WIRING DIAGRAMS FOR 1991 Toyota Supra AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Toyota Supra cars and light trucks sold in the U.S.
 1991 Toyota Supra 3.0 L6 GAS Wiring DiagramComponents on diagram: |
 1991 Toyota Supra 3.0 L6 GAS Wiring DiagramComponents on diagram: |
CLICK HERE TO GET FULL ACCESS TO 1991 Toyota Supra WIRING DIAGRAMS!
TECHNICAL SERVICE BULLETINS FOR 1991 Toyota Supra AUTOMOBILES
OEM TSB listings for most 1991 Toyota Supra cars and light trucks sold in the U.S. from 1985+.
|
Document: REPLACEMENT CERTIFICATION LABELS - REVISED Vehicle: 1991 Toyota Supra 3.0 L6 GAS Auto Systems: |
|
Document: PERMANENT-TYPE PROTECTIVE WAX COATINGS Vehicle: 1991 Toyota Supra 3.0 L6 GAS Auto Systems: |
CLICK HERE TO GET FULL ACCESS TO 1991 Toyota Supra TECHNICAL SERVICE BULLETINS!
COMPONENT/PARTS SPECIFICATIONS FOR 1991 Toyota Supra AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 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 1991 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 1991 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 1991 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
CLICK HERE TO GET FULL ACCESS TO 1991 Toyota Supra SPECIFICATIONS DATA!
Shop online for auto body parts, engines, wheels, lights...
| More parts |
| Get the Complete Technical Service Bulletins! |
 Access diagrams and repair information such as wiring diagrams,
diagnosis and repair charts, manufacturer
service bulletins, and OEM Part
numbers of your 1991 Toyota Supra vehicle.
|
| Access the Complete guide! |
