1990 Oldsmobile Silhouette Service and Repair Manual

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Fits the 1990 Silhouette — Base Mini Passenger Van 3-Door ·
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1990 Oldsmobile Silhouette service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical coverage with wiring diagrams
  • Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more

Trims covered

  • Base Mini Passenger Van 3-Door

Engines covered

  • 3.1L 189Cu. In. V6 GAS OHV Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams
NHTSA #89V16400002/10/1989Component: SEATS

THE REAR MODULAR SEAT FRAME HOLD-DOWN HOOKS MAY NOT MEET THE REQUIRED PULL FORCE AT THE REAR SET ANCHORAGE.

Consequence

VEHICLES WOULD NOT CONFORM TO FMVSS 207.

Remedy

REPLACE REAR HOLD DOWN HOOKS AND PIVOT RIVETS WITH HEAT TREATED HARDWARE.

TSB #10007559

NO TCC APPLY, MALFUNCTION INDICATOR LAMP (MIL) ON, TCC SURGE, POSSIBLE P0740, P1870, OR 39 AFTER INSTALLATION OF A REMAN (SRTA) 4T60/4T60E. *TT

TSB #615073

SOME V6 ENGINES MAY, ON A VERY INFREQUENT BASIS, HAVE AN OIL ODOR CONDITION THAT IS GENERALLY ENCOUNTERED AFTER THE ENGINE'S OIL HAS BEEN CHANGED.TYPICALLY THE ODOR LASTS APPROXIMATELY 1000 MILES AFTER THE CHANGE OF OIL AND THEN DOES NOT RE

TSB #39075

FUEL TANK THUD/CLUNK. *TW

TSB #37936

SLIDING DOOR RATTLES. *TW

20020918Component: STEERING: STEERING WHEEL/HANDLE BARCrash reported

WHILE DRIVING AT ANY SPEED AND WITH NO WARNING STEERING WHEEL WILL LOCK UP, AND CONSUMER WILL LOSE CONTROL OF VEHICLE. IT COULD HAVE CAUSED CONSUMER TO HAVE AN ACCIDENT. DEALER NOTIFIED. *AK

19991019Component: ELECTRICAL SYSTEM:IGNITION:SWITCHFire reported

ONGOING PROBLEM WITH A FAULTY ELECTRICAL SYSTEM; A REPLACEMENT OF THREE ALTERNATORS AND THREE BATTERIES WITHIN THREE MONTHS. ALSO, A FAULTY IGNITION SWITCH CAUSED A FIRE UNDER THE DASH. ASKING NHTSA

19991019Component: ELECTRICAL SYSTEM:12V/24V/48V BATTERYFire reported

ONGOING PROBLEM WITH A FAULTY ELECTRICAL SYSTEM; A REPLACEMENT OF THREE ALTERNATORS AND THREE BATTERIES WITHIN THREE MONTHS. ALSO, A FAULTY IGNITION SWITCH CAUSED A FIRE UNDER THE DASH. ASKING NHTSA

19991019Component: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATORFire reported

ONGOING PROBLEM WITH A FAULTY ELECTRICAL SYSTEM; A REPLACEMENT OF THREE ALTERNATORS AND THREE BATTERIES WITHIN THREE MONTHS. ALSO, A FAULTY IGNITION SWITCH CAUSED A FIRE UNDER THE DASH. ASKING NHTSA

19991019Component: ELECTRICAL SYSTEMFire reported

ONGOING PROBLEM WITH A FAULTY ELECTRICAL SYSTEM; A REPLACEMENT OF THREE ALTERNATORS AND THREE BATTERIES WITHIN THREE MONTHS. ALSO, A FAULTY IGNITION SWITCH CAUSED A FIRE UNDER THE DASH. ASKING NHTSA

Showing the 5 most serious of 68 complaints filed with NHTSA.

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