1998 Buick Park Avenue Service and Repair Manual

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Factory-Grade Data

1998 Buick Park Avenue 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 Sedan 4-Door
  • Ultra 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 Buick Park Avenue 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 #00V11700018/04/2000Component: SEAT BELTS:FRONT:WEBBING

VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME OF THESE VEHICLES HAVE FRONT SEAT SHOULDER BELTS THAT MAY TWIST, ALLOWING THE WEBBING TO BECOME JAMMED IN THE RETRACTOR.

Consequence

WHEN THE SHOULDER BELT WEBBING BECOMES JAMMED IN THE RETRACTOR, THE BELT MAY BE UNUSABLE.

Remedy

DEALERS WILL INSPECT FOR THE PRESENCE OF UPDATED FRONT SHOULDER BELT BEZELS AND WHERE NECESSARY, INS

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 86 technical service bulletins on file with NHTSA.

20020808Component: VEHICLE SPEED CONTROLCrash reported3 injured

WITH BRAKES APPLIED, VEHICLE LUNGED FORWARD AT A HIGH RATE OF SPEED, JUMPED THE CURB, INJURING THREE PEOPLE WHO WERE SITTING IN A RESTAURANT BOOTH. THE BRAKES WERE APPLIED THE ENTIRE TIME. THE VEHIC

20020808Component: AIR BAGS:FRONTALCrash reported3 injured

WITH BRAKES APPLIED, VEHICLE LUNGED FORWARD AT A HIGH RATE OF SPEED, JUMPED THE CURB, INJURING THREE PEOPLE WHO WERE SITTING IN A RESTAURANT BOOTH. THE BRAKES WERE APPLIED THE ENTIRE TIME. THE VEHIC

20031229Component: SEAT BELTSCrash reported1 injured

CONSUMER STATED THAT ON 11/06/03 VEHICLE WAS INVOLVED IN A HEAD ON COLLISION IN WHICH HE SUSTAINED INJURIES. WHEN CONSUMER'S VEHICLE WAS HIT HEAD ON CONSUMER HIT THE POST OF THE WINDSHIELD, BOUNC

20030212Component: UNKNOWN OR OTHERCrash reported

1998 BUICK PARK AVE TIRE JACK FAILED. SCREW JACK THREADS STRIPPED AND VEHICLE FELL WHILE ATTEMPTING TO CHANGE A FLAT TIRE. JACK HAD BEEN USED 20 TIME PREVIOUSLY TO ASSIST IN TIRE ROTATATION. HAS AN

20010713Component: POWER TRAIN:AUTOMATIC TRANSMISSION:PARK/NEUTRAL START INTERLOCK SWITCHCrash reported

WHILE VEHICAL WAS PARKED WITH ENGINE RUNNING, IT POPPED INTO GEAR AND ROLLED AWAY, MAKING IMPACT WITH NEIGHBORS HOUSE.*AK

Showing the 5 most serious of 327 complaints filed with NHTSA.

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