Foundation components: differential proportional valveRecall 89V-129 · 1988 Freightliner Freightliner
FREIGHTLINER CORP. recall 89V-129 covers 41 1988 Freightliner Freightliner for a foundation components: differential proportional valve problem, reported to NHTSA on August 7, 1989.
Source: NHTSA recall 89V129000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
TRUCKS WILL EXPERIENCE REDUCED BRAKING AT LOW BRAKE APPLICATION PRESSURES WHEN OPERATING IN THE BOBTAIL MODE.
The risk
REDUCED BRAKING CREATES THE POTENTIAL FOR AN ACCIDENT.
The fix
REPLACE FRONT AXLE RATIO VALVES WITH STANDARD VALVING THAT DOES NOT REDUCE APPLICATION PRESSURE.
SYSTEM:BRAKES.VEHICLE DESCRIPTION:HEAVY DUTY TRUCKS EQUIPPED WITH REAR AXLE BOBTAIL BRAKEPROPORTIONING AND FRONT AXLE BRAKE RATIO VALVES.
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 June 1, 1988 to August 1, 1988. Not every vehicle in these model years is included; check by VIN.