WESTERN STAR CONSTELLATION 1997: SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH

General Information

NHTSA Campaign ID Number: 97V151000

Make Model Year
WESTERN STAR CONSTELLATION 1997
Date Owners Notified Date Received by ODI Date Added to Database
1997-10-10 1997-09-14 1997-09-18

Production Dates: 1997-02-17 - 1997-05-26

Manufacturers Involved: WESTERN STAR TRUCKS, INC.

Component: SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH

Potential Number Of Units Affected: 40

Report Initiator: MFR MFR Report

Regulation Part Number: 571

Federal Motor Vehicle Safety Standard Number: 121

Summary

VEHICLE DESCRIPTION: HEAVY DUTY 6X4 TRUCKS EQUIPPED WITH EITHER HENDRICKSON RT/RS SERIES SUSPENSIONS OR CHALMERS 800 SERIES SUSPENSIONS, WITH A WHEEL BASE GREATER THAN 250 INCHES, AND WESTERN STAR'S AIR '96' AIR BRAKE SYSTEM WITHOUT ANTI-LOCK BRAKES. THESE VEHICLES DO NOT MEET THE AIR BRAKE RELEASE TIME REQUIRED BY FMVSS NO. 121, "AIR BRAKE SYSTEMS."

Consequence

AIR BRAKE RELEASE TIME MAY BE LONGER THAN ANTICIPATED BY THE OPERATOR INCREASING THE RISK OF A VEHICLE CRASH.

Remedy

DEALERS WILL INSTALL AN IN-LINE QUICK RELEASE VALVE IN EACH OF THE DROP LINES TO THE REAR MOST BRAKE CHAMBERS.

Notes

OWNER NOTIFICATION IS EXPECTED TO BEGIN OCTOBER 10, 1997.OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT WESTERN STAR AT 1-250-860-3319. ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.