1998 Pontiac Bonneville Service and Repair Manual

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Factory-Grade Data

1998 Pontiac Bonneville 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.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

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

Trims covered

  • SSE Sedan 4-Door
  • SE Sedan 4-Door
  • SSEi Sedan 4-Door

Engines covered

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

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Vehicle Safety Data

1998 Pontiac Bonneville Recalls & Complaints

NHTSA #04V09000024/02/2004Component: FUEL SYSTEM, GASOLINE:DELIVERY

ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 3800 V6 (L36) ENGINES AND CERTAIN DELPHI FUEL PRESSURE REGULATORS, THE REGULATORS HAVE A MUCH HIGHER THAN USUAL RATE OF FUEL LEAKS. A LEAK CAN ALLOW FUEL T

Consequence

THE BACKFIRE CAN RUPTURE THE INTAKE MANIFOLD. THE RUPTURE OF THE INTAKE MANIFOLD CAN DISPLACE A FUE

Remedy

DEALERS WILL INSTALL NEW FUEL PRESSURE REGULATORS WITH IMPROVED DIAPHRAGMS. THE RECALL WILL BE CONDU

NHTSA #09E01200007/04/2009Component: EXTERIOR LIGHTING

SABERSPORT IS RECALLING 16,270 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONF

Consequence

DECREASED LIGHTING VISIBILITY MAY RESULT IN A VEHICLE CRASH.

Remedy

SABERSPORT WILL NOTIFY OWNERS AND OFFER A FULL REFUND FOR THE NONCOMPLIANT COMBINATION LAMPS. THE S

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 #10248444

Vehicle Recalls

TSB #10168979

This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock ce

TSB #10166638

This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

TSB #10165876

This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock ce

TSB #10157018

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

Showing the 8 most recent of 51 technical service bulletins on file with NHTSA.

20040813Component: ENGINE AND ENGINE COOLING:COOLING SYSTEMCrash reportedFire reported

CONSUMER STARTED THE VEHICLE, WENT INTO THE HOUSE TO LET THE VEHICLE WARM, UPON RETURNING THE VEHICLE WAS ON FIRE. RECENTLY A RECALL 04V090000 WAS RECEIVED INDICATING A POSSIBLE FIRE. *AK

20040714Component: FUEL SYSTEM, GASOLINE:DELIVERYCrash reported2 injured

GENERAL MOTORS RECALL PROGRAM DENIAL OF PAYMENT FOR RECALL ITEM REPAIRED ND PAID FOR AT A GENERAL MOTORS PONTIAC DEALERSHIP. SECOND RECALL NOTICE RECIEVED ON MY 1998 PONTIAC BONNEVILLE, NHTSA ID# 04

20140522Component: STEERINGCrash reported1 injured

TL* THE CONTACT OWNS A 1998 PONTIAC BONNEVILLE. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 40 MPH, THE POWER STEERING SUDDENLY FAILED CAUSING THE STEERING WHEEL VERY DIFFICULT TO TURN. THE CO

20050914Component: VEHICLE SPEED CONTROL:CRUISE CONTROLCrash reported1 injured

DT: GOT INTO THE VEHICLE, PUT PRESSURE ON THE GAS PEDAL AND IT WENT ALL THE WAY TO THE FLOOR. TRIED MASHING ON THE BRAKES, AND THE VEHICLE JUST KEPT GOING, THE MORE THE CONSUMER MASHED ON THE BRAKES

19990427Component: UNKNOWN OR OTHERCrash reported1 injured

THIS VEHICLE WAS IN REAREND COLLISION AND WAS TOTALED

Showing the 5 most serious of 359 complaints filed with NHTSA.

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