- The problem
- Navistar, Inc. (Navistar) is recalling certain 2018-2021 International HV, 2018-2020 International HX, 2018-2021 International LT and International RH vehicles. The connecting rod wrist pin may crack, resulting in connecting rod failure.
- The risk
- Connecting rod failure can cause an engine shutdown, increasing the risk of a crash.
- The fix
- 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.
Engine & cooling
2019 International LT Engine problems
Owners have filed 1 complaint about the 2019 International LT's engine & cooling with NHTSA - 50% of all its complaints, most recently on January 22, 2024. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
- Complaints
- 1
- Recalls
- 6
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
Engine recalls for the 2019 International LT
- The problem
- Navistar, Inc. (Navistar) is recalling certain 2019-2021 International LT and RH trucks. The wrist pin may crack and cause connecting rod failure.
- The risk
- Connecting rod failure may cause a stall, increasing the risk of a crash.
- The fix
- Navistar will notify owners and dealers will install a detection system software to warn the driver prior to engine connecting rod failure and engines with a defective connecting rod will be repaired, free of charge. Vehicles previously repaired under Recall 20V255 that received only a software update will need to return to the dealer for the new remedy. Owner notification letters were mailed on June 11, 2021. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 21505.
- The problem
- Navistar, Inc. (Navistar) is recalling certain 2018-2021 International LoneStar and 2017-2021 International LT vehicles. The battery ground cable ring terminal at the frame connecting point may break, resulting in a loss of electrical power and unintended engine shutdown without warning.
- The risk
- An unexpected engine shutdown can increase the risk of a crash.
- The fix
- Navistar will notify owners, and dealers will replace the battery ground cable, free of charge. The recall began on April 16, 2021. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 21501.
- The problem
- Navistar, Inc. (Navistar) is recalling certain 2018-2020 International LT and 2019-2020 International RH trucks. The wrist pin bushing of the engine connecting rod may fail.
- The risk
- Connecting rod failure may result in an unexpected engine shutdown, increasing the risk of a crash.
- The fix
- Navistar will notify owners and dealers will install a detection system to warn the driver prior to engine connecting rod failure, and engines with a defective connecting rod will be repaired, free of charge. The recall began July 8, 2020. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 20504.
- The problem
- Navistar, Inc. (Navistar) is recalling certain 2016-2020 International LT and 2017-2018 Prostar 73-inch sleeper cab models equipped with feature code 07BKP or 07BKR (exhaust system with horizontal after treatment device and horizontal tailpipe mounted on right side). In the affected vehicles, the rear exhaust hanger bracket may crack, which can cause the forward hanger bracket to also crack. If both brackets crack, the exhaust tail pipe may detach from the vehicle.
- The risk
- If the exhaust tail pipe detaches from the vehicle while being driven, it can become a road hazard, increasing the risk of crash.
- The fix
- Navistar will notify owners, and dealers will replace the rear exhaust hanger bracket and replace any forward bracket found cracked and any exhaust tailpipe found damaged, free of charge. The recall began April 23, 2019. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 19501.
- The problem
- Navistar, Inc. (Navistar) is recalling certain 2017-2018 International ProStar and 9900i trucks, 2018-2019 International LT trucks, 2017-2019 International LoneStar and HX trucks and 2017 International PayStar trucks, equipped with Cummins ISX15 or X15 diesel engines. In certain driving conditions, such as on a long down-hill grade, the fuel line may burst if the fuel pump cooling circuit screen becomes restricted.
- The risk
- If the fuel line bursts, fuel may leak onto the road resulting in a roadway hazard for other motorists. The engine may also stall without warning, resulting in the vehicle's inability to restart, increasing the risk of a crash.
- The fix
- Cummins will notify the affected owners and dealers will replace the nylon fuel line with a steel fuel line, free of charge. Navistar issued owners an interim notification on October 11, 2018. The recall began November 21, 2018. Owners may contact Navistar customer service at 1-800-448-7825, or Cummins customer service at 1-800-286-6467.
Engine complaints
The contact owns a 2019 International LT625. The contact stated that while driving at an undisclosed speed, the contact heard a loud knock in the engine. The contact stated that several unknown warning lights illuminated. The contact stated that the vehicle lost motive power. The vehicle was towed to the residence. The vehicle was towed to the dealer and diagnosed with a possible cracked engine block and a cracked head. The contact stated that the diagnosis was inconclusive. The contact was informed that to...
Read the full complaint
provide a conclusive diagnostic result, the engine needed to be taken apart. The vehicle was not repaired. The manufacturer was made aware of the failure but did not assist. The failure mileage was approximately 625,000.
International LT engine complaints by year
LT engine problems, every yearSource: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data