Service brakes, air: drumRecall 86V-072 · 1985 Thayco Thayco
THAYCO MANAFACTURING CO. recall 86V-072 covers 180 1985 Thayco Thayco for a service brakes, air: drum problem, reported to NHTSA on May 28, 1986.
Source: NHTSA recall 86V072000 and manufacturer quarterly reports. Started by an NHTSA defect investigation.
The problem
A RESONANT VIBRATION CAN BE INITIATED UNDER CERTAIN OPERATING CONDITIONS, CAUSING A DETERIORATION OF THE BRAKE CHAMBER WHICH RESULTS IN REVERSE BRAKE CAM ROTATION CREATING GRABBY BRAKES, BRAKE CHATTER, OR SPRING BRAKE DAMAGE. CONSEQUENCE OF DEFECT: IF THIS OCCURS, COMPLETE BRAKE FAILURE COULD BE EXPERIENCED, AND COULD LEAD TO AN ACCIDENT.
The fix
REMOVE SPRING SEATS, REVERSE THE AXLE, REWELD AND ASSEMBLE SUSPENSION.
SYSTEM: BRAKES. VEHICLE DESCRIPTION: FLATBED TRAILERS, MODEL TFB245.
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 to January 1, 1985. Not every vehicle in these model years is included; check by VIN.