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1991 Toyota Previa CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Toyota 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 1991 Toyota Previa AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1991 Toyota Previa LE 2.4 L4 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Toyota Previa AUTOMOBILES
TOYOTA, POWER BRAKE UNITS -> BRAKE BOOSTER OPERATIONAL TEST -> AIR TIGHTNESS CHECK -> OPERATING CHECK
Vehicle: 1991 Toyota Previa DLX 2.4 L4 GAS
OPERATING CHECK
- Depress brake pedal several times with engine stopped, and ensure that pedal reserve distance has no change, Fig. .
- Depress brake pedal and start engine. If pedal drops slightly, operation is normal.
AIR TIGHTNESS CHECK
- Start engine and stop after one or two minutes.
- Depress brake pedal sever...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Toyota Previa AUTOMOBILES
Toyota -> Fuel Filter Scheduled Maintenance -> 1986-06 Models -> Normal Service -> Severe Service
Vehicle: 1991 Toyota Previa DLX 2.4 L4 GAS
Normal Service
Service as r...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Toyota Previa AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1991 Toyota Previa LE 2.4 L4 GAS
- Raise and support vehicle, then remove front wheel.
- Remove cotter pin and lock cap, then apply brakes and remove locknut.
- Loosen two lower ball joint bolts. Do not remove.
- Disconnect tie rod from steering knuckle, then remove cotter pin and nut.
- Using ball joint puller tool No. 09628-10011 or equivalent, disconnect tie rod from steering knuckle.
- Disconnect driveshaft from differential
- Disconnect steering knuckle from lo...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Toyota Previa AUTOMOBILES
Starter, Replace
Vehicle: 1991 Toyota Previa LE 2.4 L4 GAS
- Disconnect cable from negative terminal of battery. Work must be started after approximately 60 seconds or longer from time ignition switch is turned to LOCK position and negative terminal cable is disconnected from battery.
- Remove front propeller shaft
- Remove clutch release cylinder. Remove clamp.
- Remove two bolts and clutch release cylinder. Do not disconnect clutch line.
- Remove nut and disconnect battery cable from magnetic switch on starter.
- Disconnect o...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Toyota Previa AUTOMOBILES
Toyota -> Automatic Transmission Overdrive Lamp ->
Vehicle: 1991 Toyota Previa LE 2.4 L4 GAS
The "OD Off" lamp will be illuminated when the ignition switch is in the On position and the Overdrive (OD) switch is in the Off position. When the OD switch is placed in the On position, the "OD Off" lamp should go out. If the lamp flashes when the switch is placed in the On position, a fault has been detected by the electronic control system. After diagnosis and repair are c...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Toyota Previa AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 1991 Toyota Previa LE 2.4 L4 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 water outlet.
- Remove hose from water outlet.
- Remove hose from vehicle.
- Reverse procedure to install.
Outlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at ...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Toyota Previa AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 Toyota Previa LE 2.4 L4 GAS
- Remove power steering pump drive belt.
- Raise and support vehicle.
- Remove engine under cover.
- Loosen idle pulley lock nut.
- Loos...
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COMPONENT LOCATION DIAGRAMS FOR 1991 Toyota Previa AUTOMOBILES
Component location diagrams for most 1991 Toyota Previa cars and light trucks sold in the U.S. from 1990+.
Engine Compartment Harness To Harness Connector & Ground Point Locations Diagram for 1991 Toyota Previa LE 2.4 L4 GAS Components on diagram: |
Emission Control Components Diagram for 1991 Toyota Previa LE 2.4 L4 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1991 Toyota Previa AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Toyota Previa cars and light trucks sold in the U.S.
1991 Toyota Previa DLX 2.4 L4 GAS Wiring Diagram Components on diagram: |
1991 Toyota Previa DLX 2.4 L4 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Toyota Previa AUTOMOBILES
OEM TSB listings for most 1991 Toyota Previa cars and light trucks sold in the U.S. from 1985+.
Document: REPLACEMENT CERTIFICATION LABELS - REVISED Vehicle: 1991 Toyota Previa DLX 2.4 L4 GAS Auto Systems: |
Document: PERMANENT-TYPE PROTECTIVE WAX COATINGS Vehicle: 1991 Toyota Previa DLX 2.4 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Toyota Previa AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Toyota Previa 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 Previa 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 Previa 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 Previa 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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