OFFICIAL NHTSA RECALL
92E008000
Service Brakes, Air
Reported Apr 1, 1992 · MIDLAND BRAKE, INC.
Summary
THERE IS AN INTERFERENCE FIT BETWEEN THE VALVE COVER BORE AND THE VALVE PISTON. THIS INTERFERENCE FIT SITUATION HAS BEEN AGGRAVATED BY LIQUID CONTAMINATION WITHIN THE AIR SYSTEM WHICH HAS CAUSED THE PISTON TO SWELL AND STICK (SEIZE) IN THE CYLINDER BORE.
Consequence
PISTON SEIZURE CAUSES THE BRAKES TO DRAG WHICH COULDPRODUCE SUFFICIENT HEAT TO RESULT IN TIRE FIRES.
Remedy
REMOVE AND REPLACE THE DEFECTIVE RELAY VALVE.
Notes
SYSTEM: AIR BRAKES.EQUIPMENT DESCRIPTION: RG-5 RELAY VALVE; PART NUMBERS: N-30110, N-30110-A,N-30110-BA, KN-28550 AND KN-28551 HAVING DATE CODES BETWEEN 011K AND 491K.NOTE: IF AT ANY TIME THERE IS A QUESTION WHETHER OR NOT THE VALVE IS FUNCTIONINGPROPERLY, REPLACE IT OR DEADLINE VEHICLE AND CONTACT MIDLAND TECHNICAL SERVICEFOR ASSISTANCE (1-800-643-2374).
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Vehicle entries in this campaign
This is model-level recall history. It does not confirm whether a particular VIN is affected or has received the repair. Check with NHTSA ↗