International LT, RH +2 more: Engine

Affects International LT, RH, HX, HV · 2018–2021 — about 8K vehicles.

The hazard

Connecting rod failure can cause an engine shutdown, increasing the risk of a crash.

What to do

Dealers will install new knock detection software to warn the driver prior to engine connecting rod failure, and replace connecting rods as necessary, free of charge. Owner notification letters were mailed February 24, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 22518.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational