Midland Grau Air Brake Relay Valve Recalls

All Midland Grau Air Brake Relay Valve recalls can be found below. It is important to us to provide a complete resource for recall information, so if you know of any additional related recalls, please contact us to let us know.

April 9th, 1992
Recalled Component
SERVICE BRAKES, AIR
Recall Date
April 9th, 1992
Units Effected
23,000
NHTSA Campaign Number: 92E008000
Manufacturer: MIDLAND INTERNAT. CORP.
Manufactured Begin Date: January 1st, 1991
Manufactured End Date: December 1st, 1991
Date of Owner Notification: March 23rd, 1992

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

Corrective Summary:
REMOVE AND REPLACE THE DEFECTIVE RELAY VALVE.

Recall 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).

Recall Comments

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