MAXI-METAL UNSPECIFIED 1988: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DIFFERENTIAL PROPORTIONAL VALVE

Make : MAXI-METAL Model : UNSPECIFIED Year : 1988
Build Dates : 1988-06-01 - 1988-08-01
NHTSA CAMPAIGN ID Number : 89V129000
Date Owner's Notified: 1989-09-27 Date Received by ODI: 1989-08-07 Date Added to Database: 1989-08-12
Manufacturers Involved: FREIGHTLINER LLC
Manufacturer's Responsible for the Recall:
Manufacturer Campaign Number:
Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DIFFERENTIAL PROPORTIONAL VALVE
Potential Number Of Units Affected : 41
Summary:
      TRUCKS WILL EXPERIENCE REDUCED BRAKING AT LOW BRAKE APPLICATION PRESSURES WHEN OPERATING IN THE BOBTAIL MODE.
Consequence:
      REDUCED BRAKING CREATES THE POTENTIAL FOR AN ACCIDENT.
Remedy:
      REPLACE FRONT AXLE RATIO VALVES WITH STANDARD VALVING THAT DOES NOT REDUCE APPLICATION PRESSURE.
Report Initiator: MFR V Report
Regulation Part Number: Federal Motor Vehicle Safety Standard Number:
Notes:
      SYSTEM:BRAKES.VEHICLE DESCRIPTION:HEAVY DUTY TRUCKS EQUIPPED WITH REAR AXLE BOBTAIL BRAKEPROPORTIONING AND FRONT AXLE BRAKE RATIO VALVES.