Fuel System, Other:storage:tank Assembly:pressure Relief Devices

NHTSA recall 95V188002 · announced September 25, 1995 · filed by Thomas Built Buses, Inc. · 75 units affected

The problem

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.

The risk

VENTING OF THE CNG COULD RESULT IN A FIRE.

What to do

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.

Vehicles covered by this recall

• 1993 Thomas Saf-t-liner
• 1994 Thomas Saf-t-liner
• 1995 Thomas Saf-t-liner

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.