These vehicles do not comply with the grade holding requirements of fmvss no. 121, "air brake systems."
The risk
Consequence of non-compliance: these trucks may not hold on an uphill or downhill grade, resulting in unattended vehicle movement increasing the risk of a vehicle accident.
The remedy
Dealers will install high output brake chambers on the all wheel steering axles.
System: brakes; 121 brake system; parking valve, fmvss no. 121. Vehicle description: fire trucks equipped with "oshkosh" all wheel steer axles.:owner notification: owner notification IS expected to be completed by august 16, 1996. Note: owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy witin a reasonable time should contact pierce at 1-414-832-3000. Also contact the national highway traffic safety administration's auto safety hotline at 1-800-424-9393.