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Midland Grau Service Brakes, Air recall
Recalled April 1, 1992 · NHTSA recall 92E008000 · Midland Grau
Hazard
PISTON SEIZURE CAUSES THE BRAKES TO DRAG WHICH COULDPRODUCE SUFFICIENT HEAT TO RESULT IN TIRE FIRES.
Remedy
REMOVE AND REPLACE THE DEFECTIVE RELAY VALVE.
Units
23,000 units
Description
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.
What to do
REMOVE AND REPLACE THE DEFECTIVE RELAY VALVE.
Product
Midland Grau AIR BRAKE RELAY VALVE
Manufacturer(s)
MIDLAND INTERNAT. CORP.
Source: U.S. National Highway Traffic Safety Administration. Official recall notice on nhtsa.gov →