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Engine & cooling

2020 International LT Engine problems

Owners have filed 1 complaint about the 2020 International LT's engine & cooling with NHTSA - 50% of all its complaints, most recently on January 28, 2022. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Complaints
1
Recalls
5
Crashes
0
Fires
0
Injuries
0
Deaths
0

Engine recalls for the 2020 International LT

Engine

22V6910007,918 vehicles affected

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

21V28100010,038 vehicles affected

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.

Engine

21V07900027,457 vehicles affected

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.

Engine

20V2550005,277 vehicles affected

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.

Engine and engine cooling: manifold / header / muffler / tail pipe

19V12200024,173 vehicles affected

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.

Engine complaints

Engine & coolingBody, doors & structure

related complaint tracking number: 11442614 The engine crankcase ventilation pours large volumes of exhaust gases and oil vapors into the engine bay of the truck. This is a design flaw. The crankcase exhaust exits to the inside of the frame, at the front left of the engine, approximately central vertically under the hood. This continually fills the engine bay with exhaust gases and vapors. There is an attached video and pictures. A separate email will be sent to add this information to 11442614. Since the...

Read the full complaint

original complaint is related to the exhaust gases coming into the cab, and this one is about an actual flaw in the exhaust system allowing the venting of gases under the hood, it seemed to me that it would end up being a separate recall issue, even though directly related. Here is a link to thermal videos of the link on Onedrive: https://1drv.ms/u/s!ApLkoRLyIsQVjlZpQq2cwOL7nHLP?e=OdSRyA If the video appears garbled, move the play slider back to the beginning and it should play correctly. The videos appear to have no problem on mobile devices. The picture with the colored boxes gives a 3 point approximation of the location of the leak; directly down from blue box, directly behind green box, and directly lateral to the yellow box. Other pics are of crankcase vent opening and its location on most Cummins engine equipped trucks.

Filed Incident Engine and engine cooling · StructureNHTSA 11449287

International LT engine complaints by year

LT engine problems, every year

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Source: 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

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