THOMAS SAF-T-LINER 1994: FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

General Information

NHTSA Campaign ID Number: 95V188002

Make Model Year
THOMAS SAF-T-LINER 1994
Date Owners Notified Date Received by ODI Date Added to Database
1996-02-02 1995-09-25 1996-04-19

Production Dates: 1993-11-01 - 1995-08-01

Manufacturers Involved: THOMAS BUILT BUSES, INC.

Component: FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

Potential Number Of Units Affected: 75

Report Initiator: ODI ODI Report

Summary

SOME TEMPERATURE SENSITIVE TRIGGERS WERE NOT X-RAYED. THESE TRIGGERS COULD CONTAIN INTERNAL VOIDS THAT WOULD MAKE THE TRIGGERS SUSCEPTIBLE TO ADVANCED CREEP CAUSING FALSE ACTIVATION AND VENTING OF THE CNG.

Consequence

VENTING OF THE CNG COULD RESULT IN A FIRE.

Remedy

THOMAS BUILT WILL REPLACE THE TYPE III PRESSURE RELIEF VALVE WITH THE NEWER DESIGN "GENERATION 2.5" PRESSURE RELIEF DEVICE.

Notes

SYSTEM: FUEL; CNG; PRESSURE RELIEF VALVE/DEVICE.VEHICLE DESCRIPTION: SCHOOL AND TRANSIT BUSES POWERED BY COMPRESSED NATURALGAS 'CNG' ENGINES AND EQUIPPED WITH LINCOLN COMPOSITE CNG FUEL CONTAINERS WHICH INCORPORATE MIRADA TYPE III PRESSURE RELIEF VALVES. 'SEE MIRADA CAMPAIGN NO. 95E025 AND LINCOLN CAMPAIGN 95E025003'.NOTE: IF THE VALVES HAVE NOT BEEN REPLACED WITHIN A REASONABLE TIME FREE OF CHARGE, PLEASE CONTACT THOMAS BUILT AT 1-910-889-4871. ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.