Tank assembly: pressure relief devicesRecall 95V-188 · 1993–1995 Thomas Saf-t-liner
THOMAS BUILT BUSES, INC. recall 95V-188 covers 75 1993–1995 Thomas Saf-t-liner for a tank assembly: pressure relief devices problem, reported to NHTSA on September 25, 1995.
Source: NHTSA recall 95V188002 and manufacturer quarterly reports. Started by an NHTSA defect investigation.
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.
The fix
THOMAS BUILT WILL REPLACE THE TYPE III PRESSURE RELIEF VALVE WITH THE NEWER DESIGN "GENERATION 2.5" PRESSURE RELIEF DEVICE.
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.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
Vehicles in this recall
Built from November 1, 1993 to August 1, 1995. Not every vehicle in these model years is included; check by VIN.