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1990 Oldsmobile Toronado CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Oldsmobile REPAIR SHOPS DON'T WANT YOU TO KNOW
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- 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 1990 Oldsmobile Toronado AUTOMOBILES
A/C & Cooling System Maintenance -> General Motors Corp. -> Buick Reatta & Oldsmobile Toronado & Trofeo & 1990-93 Buick Riviera
Vehicle: 1990 Oldsmobile Toronado 3.8 V6 GAS
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BRAKE SERVICE PROCEDURES FOR 1990 Oldsmobile Toronado AUTOMOBILES
ANTI-LOCK BRAKES, GENERAL MOTORS -> 1990 Eldorado, Reatta, Riviera, Seville, Toronado & Trofeo (Teves Type) -> WARNING SYSTEM OPERATION -> ANTI-LOCK WARNING LAMP -> BRAKE WARNING LAMP -> DRIVER INFORMATION CENTER (DIC) MESSAGES
Vehicle: 1990 Oldsmobile Toronado 3.8 V6 GAS
The anti-lock brake system uses three methods of notifying the driver of a system malfunction. These include a red "BRAKE" warning lamp and an amber "ANTI-LOCK" warning lamp, both in the instrument panel cluster. Also included are three messages which may be displayed on the driver information center (DIC).
BRAKE WARNING LAMP
The brake warning lamp in the instrument panel cluster will illuminate to warn the driver of conditions in the brake system which may result in reduced braking ability as well as to notify the driver that the parking brake is applied or not completely re...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Oldsmobile Toronado AUTOMOBILES
General Motors Corp./Saturn Passenger Cars -> Fuel Pressure Relief -> Except Aveo, LaCrosse, LeMans (1988-93), Malibu & Malibu Maxx (2004-05), Metro, Nova, Prizm, Spectrum & Storm -> Engine Fuel Pressure Service Port -> Engines Less Fuel Pressure Service Port
Vehicle: 1990 Oldsmobile Toronado Trofeo 3.8 V6 GAS
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while the vehicle relearns its adaptive strateg...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Oldsmobile Toronado AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1990 Oldsmobile Toronado 3.8 V6 GAS
- Raise and support vehicle, then remove tire and wheel assembly.
- Install a brass drift or a screwdriver to prevent rotor from turning.
- Remove axle nut and washer.
- Remove stabilizer shaft or link from control arm.
- Remove nut from ball joint, then separate ball joint from steering knuckle using separator tool No. J-36226, or equivalent.
- Remove drive axle from hub and bearing assembly using fron...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Oldsmobile Toronado AUTOMOBILES
Starter, Replace
Vehicle: 1990 Oldsmobile Toronado Trofeo 3.8 V6 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove lower radiator air deflector.
- Disconnect starter electrical connectors.
- Remove torque converter inspection cover.
- Remove start...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Oldsmobile Toronado AUTOMOBILES
General Motors Corp./Saturn Cars -> Reduce Engine Power Indicator Lamp ->
Vehicle: 1990 Oldsmobile Toronado Trofeo 3.8 V6 GAS
The Reduce Engine Power indicator lamp should light for a approximately 3 seconds when the ignition is turned on as a bulb check. If the warning lamp turns on during vehicle operation, a vehicl...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Oldsmobile Toronado AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1990 Oldsmobile Toronado 3.8 V6 GAS
Lower
- Drain coolant into a suitable container.
- Loosen hose clamp connecting hose to radiator.
- Loosen hose clamp connecting hose to water pump inlet.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Oldsmobile Toronado AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1990 Oldsmobile Toronado 3.8 V6 GAS
- Rotate tensioner counterclockwise to remove the dri...
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COMPONENT LOCATION DIAGRAMS FOR 1990 Oldsmobile Toronado AUTOMOBILES
Component location diagrams for most 1990 Oldsmobile Toronado cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 1990 Oldsmobile Toronado AUTOMOBILES
OEM drawn wiring diagrams for most 1990 Oldsmobile Toronado cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1990 Oldsmobile Toronado AUTOMOBILES
OEM TSB listings for most 1990 Oldsmobile Toronado cars and light trucks sold in the U.S. from 1985+.
Document: Car and Truck Fix It Right the First Time Issues Vehicle: 1990 Oldsmobile Toronado 3.8 V6 GAS Auto Systems: |
Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED Vehicle: 1990 Oldsmobile Toronado 3.8 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1990 Oldsmobile Toronado AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 Oldsmobile Toronado 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 1990 Oldsmobile Toronado 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 1990 Oldsmobile Toronado 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 1990 Oldsmobile Toronado 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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