GM Service Manual Online
For 1990-2009 cars only

NEWS: INFO ON HARMONIC TYPE NOISE FROM FRONT OF VEH.

THIS IS A MONTHLY SERVICE NEWSLETTER ARTICLE. THIS BULLETIN IS NOT INTENDED FOR PUBLICATION.

SUBJECT: INFORMATION ON HARMONIC TYPE NOISE FROM FRONT OF VEHICLE AT HIGHWAY SPEED

MODELS: 1998 BUICK PARK AVENUE/ULTRA 1998 BUICK LESABRE

SOME OWNERS MAY COMMENT ON A HARMONIC TYPE NOISE NORMALLY AT HIGHWAY SPEEDS, NOT EASILY IDENTIFIABLE AS A WHEEL BEARING NOISE. THIS CAN BE EXTREMELY DIFFICULT TO DIAGNOSE. THE ASSISTANCE OF AN ON-CAR TYPE WHEEL BALANCER MAY AID IN THE DIAGNOSIS.

REPLACE WHEEL BEARING(S) AS REQUIRED.

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.