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International HX Recall 18V289: Brakes May Modulate Unexpectedly, Risking Loss of Control

NHTSA campaign 18V289, reported May 3, 2018, 72 vehicles potentially affected.

What this recall means for you

On certain severe service diesel trucks, the air supply line to the SR7 roll stability valve may be connected to the wrong port on the ATR6 brake control valve. During a stability control oversteer event on slippery roads, the parking brakes may be modulated unintentionally. This could cause a loss of control and increase the risk of a crash.

The fix is free. Authorized dealers will reroute the SR7 roll stability valve supply line to the correct ATR6 brake control valve port. Owners will be notified by the manufacturer, Navistar, and the recall began on June 12, 2018.

To check whether your vehicle is affected, enter your VIN at NHTSA's recall lookup or contact Navistar customer service at 1-800-448-7825, referencing recall number 18504. If your truck is affected, schedule the repair with an authorized dealer as soon as possible.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 18V289Navistar, Inc.
Component
ELECTRONIC STABILITY CONTROL (ESC); SERVICE BRAKES, AIR
Problem
Navistar, Inc. (Navistar) is recalling certain 2017-2019 International HX severe service diesel trucks equipped with feature code 04091 (dual air brake system) and 04AZY (Antilock Brake System (ABS) with 6 channel Electronic Stability Protection (ESP)). The air supply line to the SR7 roll stability valve may have been improperly routed to the ATR6 brake control valve steer axle delivery port, when it should be connected to the ATR6 brake control valve control port.
Risk
During a stability control oversteer event when there are slippery road conditions, the parking brakes may be modulated unintentionally, potentially causing a loss of control and increasing the risk of a crash.
Remedy
Navistar will notify owners, and dealers will reroute the SR7 roll stability valve supply line to the ATR6 brake control valve control port, free of charge. The recall began on June 12, 2018. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 18504.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Affected vehicles

International HX201720182019