Engineering Analysis · OVERHEATING FRONT AND REAR BRAKES · Opened 2003-04-09 · Closed 2004-03-03
Investigation
Action number
EA03003
Type
Engineering Analysis
Open date
2003-04-09
Close date
2004-03-03
Manufacturer
Newmar Corporation
Affected makes
NEWMAR; WORKHORSE
Affected components
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS
Affected model years
2001, 2002
Affected (make, year) variants
6
Summary
THIS INVESTIGATION WAS DERIVED FROM INFORMATION GATHERED DURING PE02-046, BOSCH DISC BRAKE CALIPERS.THIS INVESTIGATION FOCUSED ON THE VEHICLE MANUFACTURER, NEWMAR.SUBJECT VEHICLES WERE THOSE BUILT WITH A HYDRAULIC BRAKE SYSTEM INCORPORATING THE BOSCH ZERO OFFSET PIN SLIDE (ZOPS) CALIPERS.ODI'SCONCERN WASEXCESSIVE WHEEL END HEAT, POSSIBLY RESULTING IN A WHEEL END FIRE.DURING THE INVESTIGATION, ODI DISCOVERED TWO SPECIFIC NEWMAR VEHICLE MODELS, THOSE BUILT ON NEWMAR CHASSIS AND THOSE BUILT ON A WORKHORSE CHASSIS. AS A RESULT OF THE AGENY'S INVESTIGATION INTO THIS MATTER, ALL NEWMAROWNERS WILL BE NOTIFIED (04V-019) AND THE REMEDY WILL BE APPLIED TO THEIR VEHICLES. SOME NEWMAR VEHICLES (1,795) BUILT ON THE WORKHORSE CHASSIS ARE BEING RECALLED BY WORKHORSE (04V-084).THIS INVESTIGATION IS CLOSED.FURTHER DETAILS ARE PROVIDED ON PAGES 2, 3, AND 4.COPIES OF BOTH SAFETY RECALLS ARE ATTACHED.