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1990 Oldsmobile Silhouette CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Oldsmobile 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 1990 Oldsmobile Silhouette AUTOMOBILES
A/C & Cooling System Maintenance -> General Motors Corp. -> 1990-2002 Chevrolet Lumina APV & Venture, Oldsmobile Silhouette & Pontiac Montana & Trans Sport
Vehicle: 1990 Oldsmobile Silhouette 3.1 V6 GAS
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BRAKE SERVICE PROCEDURES FOR 1990 Oldsmobile Silhouette AUTOMOBILES
POWER BRAKE UNITS, GENERAL MOTORS -> Bendix Brake Boosters -> TROUBLESHOOTING -> ACCUMULATOR LEAK-DOWN, SYSTEM DOES NOT HOLD CHARGE -> GRABBY BRAKES OR BOOSTER CHATTERS/PEDAL VIBRATES -> SLOW BRAKE PEDAL RETURN
Vehicle: 1990 Oldsmobile Silhouette 3.1 V6 GAS
SLOW BRAKE PEDAL RETURN
- Excessive seal friction in booster.
- Faulty spool action.
- Restriction in return line from booster to pump reservoir.
- Damaged input rod end.
GRABBY BRAKES OR BOOSTER CHATTERS/PEDAL VIBRATES
- Faulty spool action caused by contamination in ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Oldsmobile Silhouette AUTOMOBILES
General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Replacement -> Gasoline Engines Except Equinox, Montana SV6, Relay, Rendezvous w/3.6L Engine, Terraza, Uplander & Vue (2004-06) & 2004-06 Envoy, Rainier & TrailBlazer -> Returnless Fuel System
Vehicle: 1990 Oldsmobile Silhouette 3.1 V6 GAS
Returnless Fuel System
On models equipped with fuel injected engines, relieve fuel system pressure as outlined under "Fuel System Pressure Relief."
On models equipped with metal collar quick disconnect connectors, GM tool No. J37088-A, or equivalent, will be required to disconnect the connector. Pri...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Oldsmobile Silhouette AUTOMOBILES
CV AXLE SHAFT, Replace -> Front -> Rear
Vehicle: 1990 Oldsmobile Silhouette 3.1 V6 GAS
Front
- Raise and support vehicle, then remove tire and wheel assembly.
- Remove engine splash shield.
- Insert a suitable drift or punch through brake caliper and into brake rotor to prevent wheel hub and bearing from turning.
- Remove wheel drive shaft spindle nut.
- Remove stabilizer shaft link.
- Disconnect outer tie rod end from steering knuckle. Do not loosen tie rod end jam nut.
- Disconnect wheel speed sensor electrical connector, then reposition wiring harness away from ball joint.
- Disconnect lower ball joint from steering knuckle.
- Install wheel hub remover tool No. J 42129, or equival...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Oldsmobile Silhouette AUTOMOBILES
Alternator, Replace
Vehicle: 1990 Oldsmobile Silhouette 3.1 V6 GAS
- Disconnect battery ground cable.
- Remove throttle body air inlet duct, then apply parking brake.
- Place transaxle in neutral gear position.
- Remove engine mount strut bolts, then position engine mount aside.
- Install suitable engine tilt strap tool.
- Rotate engine...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Oldsmobile Silhouette AUTOMOBILES
General Motors Corp./Saturn Trucks -> Reduce Engine Power Indicator Lamp ->
Vehicle: 1990 Oldsmobile Silhouette 3.1 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 Silhouette AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1990 Oldsmobile Silhouette 3.1 V6 GAS
Inlet
- Remove air cleaner.
- Drain cooling system into a suitable container.
- Remove heater hose support clamp bolt.
- Reposition heater core inlet hose clamp at engine.
- Remove hose from engine.
- Reposition heater hose inlet clamp at heater core.
- Remove heater inlet hose from heater core.
- Remove hose from vehicle.
- Reverse procedure to in...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Oldsmobile Silhouette AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1990 Oldsmobile Silhouette 3.1 V6 GAS
- Remove belt shield bolt and shield.
- Rotate or lift the belt tensioner arm, using a suitable tool to reliev...
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COMPONENT LOCATION DIAGRAMS FOR 1990 Oldsmobile Silhouette AUTOMOBILES
Component location diagrams for most 1990 Oldsmobile Silhouette 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 Silhouette AUTOMOBILES
OEM drawn wiring diagrams for most 1990 Oldsmobile Silhouette 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 Silhouette AUTOMOBILES
OEM TSB listings for most 1990 Oldsmobile Silhouette 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 Silhouette 3.1 V6 GAS Auto Systems: |
Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED Vehicle: 1990 Oldsmobile Silhouette 3.1 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1990 Oldsmobile Silhouette AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 Oldsmobile Silhouette 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 Silhouette 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 Silhouette 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 Silhouette 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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