1998 Buick Skylark Service and Repair Manual

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Fits the 1998 Skylark — Custom Sedan 4-Door ·
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1998 Buick Skylark 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

  • Custom Sedan 4-Door

Engines covered

  • 3.1L 189Cu. In. V6 GAS OHV Naturally Aspirated
  • 2.4L 2392CC 146Cu. In. l4 GAS DOHC 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 #04V03600027/01/2004Component: ELECTRICAL SYSTEM:IGNITION:SWITCH

ON CERTAIN PASSENGER VEHICLES. IF THE ENGINE FAILS TO START AND THE DRIVER HOLDS THE KEY IN THE "START" POSITION FOR AN EXTENDED PERIOD, HIGH CURRENT FLOWS THROUGH THE IGNITION SWITCH, AND SOMETIMES P

Consequence

IF THE SWITCH IS DAMAGED, A FIRE COULD OCCUR IN THE STEERING COLUMN, EVEN WITH THE ENGINE OFF AND TH

Remedy

DEALERS WILL INSTALL A RELAY KIT IN THESE VEHICLES TO PREVENT HIGH CURRENT FROM FLOWING THROUGH THE

TSB #10208027

This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and

TSB #10171318

This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and

TSB #10170494

This informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco Radio with Theftlock.

TSB #10082506

THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO CALIBR

TSB #10246631

Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules

TSB #10023171

ABS PUMP RUNNING WHEN NOT NEEDED. *NJ

TSB #10017096

VEHICLE WILL NOT MOVE IN EITHER DIRECTION. TRANSMISSION MAY SHOW OVER FULL. P90 4T40E 4T45E NO MOVEMENT DRIVE OR REVERSE. CONVERTER MAY BE EMPTY OF FLUID. *TT

TSB #10017086

4T40E OR 4T45E WILL NOT SHIFT NO DIAGNOSTIC TROUBLE CODES. *TT

Showing the 8 most recent of 32 technical service bulletins on file with NHTSA.

19981002Component: AIR BAGSCrash reported3 injured

DURING COLLISION NO DEPLOYMENT OF AIRBAGS CAUSED INJURY TO PASSENGERS.

20150716Component: AIR BAGSCrash reported2 injured

TL* THE CONTACT WAS A PASSENGER IN A 1998 BUICK SKYLARK. WHILE DRIVING APPROXIMATELY 50 MPH, ANOTHER VEHICLE RAN A RED LIGHT AND CRASHED INTO THE VEHICLE. THE AIR BAGS DEPLOYED AND A POLICE REPORT WAS

20020321Component: VEHICLE SPEED CONTROL2 injured

CONSUMER BEGAN TO PUT VEHICLE INTO PARK AFTER PULLING INTO A PARKING SPACE, WHEN IT SURGED FORWARD, VEHICLE JUMPED A CURB, CRASHED THROUGH A WALL, AND THROUGH A COUPLE TABLES BEFORE COMING TO A STOP,

20050328Component: AIR BAGS1 injured

I WAS INJURED WHEN THE AIRBAG OF A 1998 BUICK SKYLARK (N BODY) DEPLOYED WHEN I STARTED THE VEHICLE. THERE WAS NO IMPACT, IN FACT THE VEHICLE WAS SITTING IN A BUILDING AND NOT EVEN IN MOTION. I SUSTAIN

Showing the 4 most serious of 34 complaints filed with NHTSA.

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