Mack Recall 03V253000: Service Brakes, Air, Supply, Check Valve

NHTSA recall 03V253000 · announced July 17, 2003 · filed by Mack Trucks, Incorporated · 1,232 units affected

The problem

CERTAIN HEAVY DUTY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS." IMPROPER SEATING OF THE CHECK VALVE RETAINER IN THE BRASS FITTING HOUSING HAS OCCURRED. IT IS POSSIBLE FOR THE AIR BRAKE SYSTEM PRESSURE TO PUSH THE CHECK VALVE INTERNAL PARTS INTO THE PRIMARY SYSTEM RESERVOIR AND A VEHICLE OPERATOR WOULD NOT KNOW THAT THIS HAS HAPPENED.

The risk

IN THIS CONDITION, THE VEHICLE WOULD NOT MEET THE EMERGENCY REQUIREMENTS OF THE STANDARD.

What to do

DEALERS WILL REPLACE THE CHECK VALVE. OWNER NOTIFICATION BEGAN NOVEMBER 26, 2003. OWNERS SHOULD CONTACT MACK AT 1-610-709-3337.

Official NHTSA recall notice →

Notes

MACK RECALL NO. SC0281.CUSTOMERS CAN 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 this recall

• 2003 Mack Ch
• 2003 Mack Cl
• 2003 Mack Cv
• 2003 Mack Cx
• 2003 Mack Dm6
• 2003 Mack Dmm
• 2003 Mack Le
• 2003 Mack Mr
• 2003 Mack Rd6
• 2003 Mack Rd8

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