For 1990-2009 cars

# INFO ON SPARK PLUG USAGE

#### SUBJECT: INFORMATION ON SPARK PLUG USAGE

#### MODELS: 1998 BUICK PARK AVENUE, REGAL, RIVIERA 1998 OLDSMOBILE 88 LSS 1998 PONTIAC BONNEVILLE, GRAND PRIX WITH 3800 SUPERCHARGED ENGINE (VIN 1--RPO L67)

BEGINNING WITH THE 1998 MODEL YEAR, ALL 3800 SUPERCHARGED ENGINES ARE FACTORY BUILT USING NGK BRAND SPARK PLUGS. SERVICE SPARK PLUGS, HOWEVER, ARE AC P/N 41-921 (SPO P/N 25161444).

FIGURES: 00 ATTACHMENTS: 00

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.

COPYRIGHT 1998. GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.