1998 Buick Riviera Service and Repair Manual

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Fits the 1998 Riviera — Base Coupe 2-Door ·
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1998 Buick Riviera 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 Coupe 2-Door

Engines covered

  • 3.8L 3800CC 231Cu. In. V6 GAS OHV Supercharged

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
No active recalls The 1998 Buick Riviera has no recalls on file with NHTSA.
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 #10017568

INTERMITTENT CHUGGLE OR FISHBITE ON LIGHT ACCELERATION OR A HIGHWAY SPEEDS WITH NO DIAGNOSTIC TROUBLE CODES (DTCS). *TT

TSB #10016464

WIRE HARNESS MAY BE STRETCHED, OR THE PCS MAY NOT BE ORIENTED IN THE SAME POSITION, AFTER INSTALLING A SERVICE REPLACEMENT VALVE BODY ASSEMBLY. GM TECH LINK. *TT

TSB #10012688

FLOOR PAN CORROSION PERFORATION IN BATTERY COMPARTMENT. *EH

Showing the 8 most recent of 34 technical service bulletins on file with NHTSA.

20010410Component: TIRES:TREAD/BELTCrash reported

CONSUMER WAS TRAVELING ABOUT 30MPH AND ALL FOUR TIRES' TREAD SEPARATED, AND VEHICLE VEERED INTO MEDIAN STRIP.*AK

20010215Component: SEATS:FRONT ASSEMBLY:RECLINERCrash reported

VEHICLE WAS REARENDED WHILE AT A STANDSTILL. DRIVER'S SEAT COLLAPSED BACKWARDS DUE TO BACK BREAKING. BOTTOM OF TRACKS WAS TWISTED. *AK

20000922Component: TIRES:TREAD/BELTCrash reported

PE00 020; WAS TRAVELING ABOUT 40MHP ON THE HIGHWAY VEHICLE THREW HIM SIDEWAYS AND HE HITS SOME BUSHES VEHICLE WAS DAMAGED.*AK

20160205Component: ENGINEFire reported

TL* THE CONTACT OWNS A 1998 BUICK RIVIERA. WHILE STOPPED, THE CONTACT NOTICED SMOKE COMING FROM THE ENGINE COMPARTMENT OF THE VEHICLE. THE FAILURE RECURRED ON NUMEROUS OCCASIONS. THE CONTACT WAS A CE

20080122Component: SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLERFire reported

I STARTED MY CAR, 98 BUICK RIVIERA, AND TURNED THE SEAT HEATER ON. I CAME BACK 5 MINUTES LATER AND STARTED DRIVING MY CAR TO WORK. ABOUT 4 MINUTES AFTER I LEFT MY HOUSE I STARTED SMELLING SMOKE LIKE S

Showing the 5 most serious of 43 complaints filed with NHTSA.

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