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NHTSA Recall 01V189004: Service brakes, air: controls, pedals and linkages

MACK TRUCKS, INCORPORATED reported this safety recall to NHTSA on , covering an estimated 8,268 vehicles. It affects 9 models including the Mack Ch.

8,268
vehicles potentially affected
9
models affected
2001
owners notified (November 16)
NHTSA campaign01V189004
ComponentSERVICE BRAKES, AIR › CONTROLS, PEDALS AND LINKAGES
Report receivedAugust 1, 2001
Owner notificationNovember 16, 2001
Initiated byManufacturer

Defect

Vehicle description: heavy duty trucks equipped with certain meritor-wabco brake system two and four port relay valves. The valve may stick open when a high-pressure application is released.

Safety risk

When the valve sticks open, it can result in a total loss of air from either the service or the park brake system. The driver may lose braking ability under a service application, possibly resulting in a vehicle crash.

Remedy

Dealers will replace these valves. Owner notification began november 16, 2001. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 1-610-709-3011 or meritor wabco at 800-535-5560.

Notes

Also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-DOT (1-888-327-4236).

Vehicles covered by recall 01V189004

Make and modelModel years
Mack Ch2000, 2001
Mack Cl2000, 2001
Mack Cv2000, 2001
Mack Cx2000, 2001
Mack Dm2000, 2001
Mack Dmm2000, 2001
Mack Mr2000, 2001
Mack Rb2000, 2001
Mack Rd2000, 2001

Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.