Suspension - Chassis Related Underbody Noise Diagnosis: Overview

9214pontiac01

Bulletin Number: 92-3-11
Reference Number: 933404R
Publish Date: 3/92


Subject: CHASSIS SYSTEMS RELATED UNDERBODY
NOISE DIAGNOSIS AND SUMMARY


Models
Affected: 1988-92 GRAND PRIX MODELS


THIS BULLETIN IS BEING REVISED TO INCLUDE THE 1991 AND 1992 MODEL YEARS AND HAS BEEN EXPANDED TO INCLUDE ALL CHASSIS SYSTEMS AND ADDRESS ADDITIONAL NOISE CONDITIONS.

Some 1988-92 Grand Prix models may exhibit various noises emanating from the underbody of the vehicle that may be caused by a variety of conditions related to the various chassis systems.

It is the intent of this bulletin to summarize prior issued bulletins and to provide insight into other conditions that have been noted. To aid and insure proper diagnosing of customer noise comments, a diagnostic flow chart is provided at the end of this bulletin.

When prior published bulletins are referenced, they should be utilized to insure proper service procedures are followed.