Recall 92E008000: Service Brakes, Air

NHTSA recall 92E008000 · announced April 1, 1992 · Midland Grau · 23,000 units affected

The problem

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.

The risk

PISTON SEIZURE CAUSES THE BRAKES TO DRAG WHICH COULDPRODUCE SUFFICIENT HEAT TO RESULT IN TIRE FIRES.

What to do

REMOVE AND REPLACE THE DEFECTIVE RELAY VALVE.

Official NHTSA recall notice →

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).

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.