Overheating front and rear brakes

An NHTSA Engineering Analysis into Workhorse vehicles. Closed 3 March 2004.

Investigation
EA03003
Type
Engineering Analysis
Opened
9 April 2003
Closed
3 March 2004

What NHTSA investigated

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.

The recall that followed

  1. Newmar — Service Brakes, Air: Caliper04V0190009 January 200437 vehicles

Vehicles covered

MakeModelModel years
NewmarNEWAIRE2001–2002
WorkhorseW202001–2002
WorkhorseW222001–2002

Source

From NHTSA’s investigation file, rebuilt daily. To report a problem with your own vehicle, go to nhtsa.gov/report-a-safety-problem. All open investigations.