Engine and Engine Cooling: complaints and recalls by model

A complaint can name more than one component. Each component that a complaint names is one component mention. The figure per 1,000 component mentions shows how many of each 1,000 mentions name the component.

For all vehicles in the file, the figure for Engine and Engine Cooling is 115 per 1,000 component mentions. The NHTSA files have no sales figures. A model line with more vehicles on the road gets more complaints.

Complaint: A report about a possible safety problem that a person sends to NHTSA. This site shows the number of complaints and not their text.

Component: The part or the system that a complaint or a recall campaign names. NHTSA has a fixed list of component names.

1. 26V573000Received 3 Sep 2026. 928 units.

   Engine and Engine Cooling / Cooling System

   Defect, in the NHTSA record

   Nova Bus (US) Inc. (Nova Bus) is recalling certain 2023-2024 LFS Artic and 2022-2024 LFS buses. The coolant sensor could send a false signal, causing the engine to shut down.

   Consequence, in the NHTSA record

   An unexpected engine shut down can increase the risk of a crash. Additionally, transferring passengers from the disabled bus can increase the risk of injury.

   Remedy, in the NHTSA record

   Nova Bus will inspect and replace the coolant sensor as necessary, free of charge. Owner notification letters are expected to be mailed November 2, 2026. Owners may contact Nova Bus customer service at 1-800-350-6682. Nova Bus's number for this recall is CR5936. This recall supersedes Recall 24V873. Vehicles repaired under the previous recall will need the new repair completed.

   Report filed by Nova Bus (US) Inc.. Manufacturer campaign number CR5936. The campaign has 5 make, model and year entries.

2. 26E062000Received 3 Sep 2026. 591 units.

   Engine and Engine Cooling / Cooling System

   Defect, in the NHTSA record

   Nova Bus (US) Inc. (Nova Bus) is recalling certain Casco engine coolant level sensors with part number N108036. The coolant sensor could send a false signal, causing the engine to shut down.

   Consequence, in the NHTSA record

   An unexpected engine shut down can increase the risk of a crash. Additionally, transferring passengers from the disabled bus can increase the risk of injury.

   Remedy, in the NHTSA record

   Nova Bus will reimburse the owners for the replacement of the sensor, free of charge. Owner notification letters are expected to be mailed November 2, 2026. Owners may contact Nova Bus customer service at 1-800-350-6682. Nova Bus's number for this recall is ER5937. This recall expands 25E012.

   Report filed by Nova Bus (US) Inc.. Manufacturer campaign number ER5937. The campaign has 1 make, model and year entry.

3. 26V548000Received 25 Aug 2026. 10,001 units.

   Engine and Engine Cooling / Engine / Hard Parts Internal/Mechanical

   Defect, in the NHTSA record

   Ford Motor Company (Ford) is recalling certain 2026 Explorer, Bronco, Bronco Sport, Mustang, and Ranger vehicles. The engine piston domes may have been manufactured incorrectly, which can result in piston dome failure and lead to a loss of drive power.

   Consequence, in the NHTSA record

   An unexpected loss of drive power increases the risk of a crash.

   Remedy, in the NHTSA record

   Dealers will inspect the engine pistons and replace the engine long block, if necessary, free of charge. Interim letters, notifying owners of the safety risk, were mailed September 3, 2026. Additional letters will be sent once the remedy is available, anticipated in December 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26S61. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on August 28, 2026.

   Report filed by Ford Motor Company. Manufacturer campaign number 26S61. The campaign has 5 make, model and year entries.

4. 26V532000Received 13 Aug 2026. 6 units.

   Engine and Engine Cooling / Engine / Hard Parts Internal/Mechanical

   Defect, in the NHTSA record

   Ford Motor Company (Ford) is recalling certain 2026 Explorer vehicles equipped with a 2.3L engine. The engine connecting rod bearings may seize, which can result in engine failure.

   Consequence, in the NHTSA record

   Engine failure can result in a loss of drive power, increasing the risk of a crash. In addition, bearing failure may cause a breach in the engine block, allowing oil to leak, increasing the risk of a fire.

   Remedy, in the NHTSA record

   Dealers will replace the engine long blocks, free of charge. Owner notification letters were mailed August 25, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26S58. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on August 18, 2026.

   Report filed by Ford Motor Company. Manufacturer campaign number 26S58. Owner notification date in the NHTSA record: 25 Aug 2026. The campaign has 1 make, model and year entry.

5. 26V343000Received 27 May 2026. 1,536 units.

   Engine and Engine Cooling / Engine / Hard Parts Internal/Mechanical

   Defect, in the NHTSA record

   Ford Motor Company (Ford) is recalling certain 2025-2026 Explorer, Ranger, and Bronco vehicles. The engine may fail, which can result in a loss of drive power.

   Consequence, in the NHTSA record

   A sudden loss of drive power can increase the risk of a crash.

   Remedy, in the NHTSA record

   Dealers will replace the engine long block, free of charge. Interim letters, notifying owners of the safety risk, were mailed June 5, 2026. Additional letters will be sent once the remedy is available, anticipated in November 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26S35. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on May 28, 2026.

   Report filed by Ford Motor Company. Manufacturer campaign number 26S35. The campaign has 6 make, model and year entries.

6. 26V320000Received 20 May 2026. 43,566 units.

   Engine and Engine Cooling / Engine / Hard Parts Internal/Mechanical

   Defect, in the NHTSA record

   Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2024 Tundra vehicles equipped with a V35A engine. Debris from the manufacturing process may contaminate the engine and cause a main bearing to fail, which can result in an engine stall and loss of drive power.

   Consequence, in the NHTSA record

   A loss of drive power increases the risk of a crash.

   Remedy, in the NHTSA record

   Dealers will perform an inspection on the #1 main bearing using vehicle inspection software and drive data, and if necessary, replace the engine. Repairs will be performed free of charge. Interim letters notifying owners of the safety risk were mailed July 23, 2026. Additional letters will be sent once the final remedy is available. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's numbers for this recall are 25TB14 and 25TA14. This recall expands previous NHTSA recall numbers 24V381 and 25V767.

   Report filed by Toyota Motor Engineering & Manufacturing. Manufacturer campaign number 25TB14 / 25TA14. The campaign has 1 make, model and year entry.

7. 26V286000Received 6 May 2026. 30 units.

   Engine and Engine Cooling / Engine / Oil/Lubrication / Pipes, Hoses, and Fittings

   Defect, in the NHTSA record

   Corp. Micro Bird, Inc. (Micro Bird) is recalling certain 2023-2025 G5 transit buses built on a GM chassis and equipped with a second air conditioning compressor kit. The drive belt pulley may contact and damage the the oil lines.

   Consequence, in the NHTSA record

   A damaged oil like may leak, increasing the risk of a fire in the presence of an ignition source.

   Remedy, in the NHTSA record

   Dealers will secure the oil lines, free of charge. Owner notification letters are expected to be mailed June 29, 2026. Owners can contact Micro Bird Customer Service at 819-477-2012. Micro Bird's number for this recall is 26-121-OUC.

   Report filed by Corp. Micro Bird, Inc.. Manufacturer campaign number 26-121-OUC. Owner notification date in the NHTSA record: 1 Jul 2026. The campaign has 3 make, model and year entries.

8. 26V287000Received 6 May 2026. 902 units.

   Engine and Engine Cooling / Engine / Oil/Lubrication / Pipes, Hoses, and Fittings

   Defect, in the NHTSA record

   Corp. Micro Bird, Inc. (Micro Bird) is recalling certain 2023-2026 G5 and 2024 MB II school buses built on a GM chassis and equipped with a second air conditioning compressor kit. The drive belt pulley may contact and damage the the oil lines.

   Consequence, in the NHTSA record

   A damaged oil like may leak, increasing the risk of a fire in the presence of an ignition source.

   Remedy, in the NHTSA record

   Dealers will secure the oil lines, free of charge. Owner notification letters are expected to be mailed June 29, 2026. Owners can contact Micro Bird Customer Service at 819-477-2012. Micro Bird's number for this recall is 26-121-OUS.

   Report filed by Corp. Micro Bird, Inc.. Manufacturer campaign number 26-121-OUS. Owner notification date in the NHTSA record: 30 Jun 2026. The campaign has 5 make, model and year entries.

9. 26V274000Received 29 Apr 2026. 357 units.

   Engine and Engine Cooling / Cooling System / Hoses/Lines/Piping/Fittings

   Defect, in the NHTSA record

   Storyteller Overland, LLC (Storyteller) is recalling certain 2023 Stealth, Classic, and Beast Mode vehicles equipped with AWD. Improperly routed coolant lines may overheat the engine, causing a loss of drive power.

   Consequence, in the NHTSA record

   A loss of drive power increases the risk of a crash.

   Remedy, in the NHTSA record

   Dealers will remove the secondary heat exchanger loop, free of charge. Owner notification letters were mailed June 24, 2026. Owners may contact Storyteller customer service at 1-888-999-7442.

   Report filed by Storyteller Overland. Owner notification date in the NHTSA record: 24 Jun 2026. The campaign has 3 make, model and year entries.

10. 26V270000Received 28 Apr 2026. 88,039 units.

    Engine and Engine Cooling / Exhaust System / Emission Control / Crankcase (Pcv)

    Defect, in the NHTSA record

    Harley-Davidson Motor Company (Harley-Davidson) is recalling certain 2024-2026 FLTRX, FLHX, 2025-2026 FXBR, FLFB, 2025 FLHXU, 2026 FLTRXL, FLTRT, FLHXL, and FLHLT motorcycles built with an Airbox Baseplate (part number 29000373). The airbox backplate breather port may be blocked, allowing pressure to build up inside the crankcase.

    Consequence, in the NHTSA record

    When the dipstick is removed while the crankcase is pressurized, oil may eject from the fill spout, increasing the risk of injury.

    Remedy, in the NHTSA record

    Dealers will inspect the breather port, and if the port is blocked, repair the blockage, free of charge. Owner notification letters were mailed May 14, 2026. Owners may contact Harley-Davidson customer service at 1-800-258-2464. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov April 16, 2025. Harley-Davidson's number for this recall is 0193.

    Report filed by Harley-Davidson Motor Company. Manufacturer campaign number 0193. Owner notification date in the NHTSA record: 14 May 2026. The campaign has 15 make, model and year entries.

11. 26E025000Received 23 Apr 2026. 40,440 units.

    Engine and Engine Cooling / Engine / Oil/Lubrication

    Defect, in the NHTSA record

    General Motors (GM) is recalling certain containers of ACDelco GMW DOT 3 brake and clutch fluid (lot #01977 091222). The brake fluid may contain visible sediment. As such, this brake fluid fails to conform to Federal Motor Vehicle Safety Standard number 116, "Motor Vehicle Brake Fluids."

    Consequence, in the NHTSA record

    Sediment in brake fluid may reduce brake performance, increasing the risk of a crash.

    Remedy, in the NHTSA record

    GM will reimburse dealers and ACDelco’s direct purchasers for any containers with the suspect lot number. Purchasers may contact GM customer service at 1-866-467-9700. GM's number for this recall is N262552830.

    Report filed by General Motors, LLC. Manufacturer campaign number N262552830. The campaign has 1 make, model and year entry.

12. 26V215000Received 3 Apr 2026. 189 units.

    Engine and Engine Cooling / Cooling System / Radiator Cover/Winter Front

    Defect, in the NHTSA record

    Autocar, LLC (Autocar) is recalling certain 2025-2026 ACX (Xpeditor) vehicles. The winter front cover may interfere with the forward collision warning (FCW) system.

    Consequence, in the NHTSA record

    Interference may cause the FCW system to fail, increasing the risk of a crash.

    Remedy, in the NHTSA record

    Autocar will replace the cover, free of charge. Owner notification letters were mailed May 29, 2026. Owners may contact Autocar customer service at 1-888-218-3611. Autocar's number for this recall is ACX-2602.

    Report filed by Autocar, LLC. Manufacturer campaign number ACX-2602. Owner notification date in the NHTSA record: 29 May 2026. The campaign has 2 make, model and year entries.

13. 26V205000Received 31 Mar 2026. 278 units.

    Engine and Engine Cooling / Engine / Hard Parts Internal/Mechanical

    Defect, in the NHTSA record

    Ford Motor Company (Ford) is recalling certain 2026 Explorer and Mustang vehicles. The engine piston circlips may have been incorrectly installed during manufacturing, which can result in piston failure and engine damage, leading to a loss of drive power.

    Consequence, in the NHTSA record

    An unexpected loss of drive power increases the risk of a crash.

    Remedy, in the NHTSA record

    Dealers will inspect the engine for missing or mis-installed circlips and replace the engine as necessary, free of charge. Owner notification letters were mailed April 10, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26S23. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on April 2, 2026.

    Report filed by Ford Motor Company. Manufacturer campaign number 26S23. Owner notification date in the NHTSA record: 10 Apr 2026. The campaign has 2 make, model and year entries.

14. 26V139000Received 11 Mar 2026. 775 units.

    Engine and Engine Cooling / Engine / Engine Control Module (Ecu/Ecm) / Software

    Defect, in the NHTSA record

    Mack Trucks, Inc. (Mack) is recalling certain 2022-2027 TerraPro trucks. The engine control unit (ECU) software may allow the engine to start when the transmission is not in Neutral. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 102, "Transmission Shift Lever Sequence, Starter Interlock, and Transmission Braking Effect."

    Consequence, in the NHTSA record

    Starting the vehicle while in gear may cause unexpected vehicle movement, increasing the risk of a crash or injury.

    Remedy, in the NHTSA record

    Dealers will update the ECU software, free of charge. Owner notification letters were mailed April 14, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0492. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov March 18, 2026.

    Report filed by Mack Trucks, Inc.. Manufacturer campaign number SC0492. Owner notification date in the NHTSA record: 14 Apr 2026. The campaign has 6 make, model and year entries.

15. 26V122000Received 3 Mar 2026. 47,804 units.

    Engine and Engine Cooling / Exhaust System / Emission Control / Gas Recirculation Valve (Egr Valve)

    Defect, in the NHTSA record

    Ford Motor Company (Ford) is recalling certain 2025 Ranger, Lincoln Nautilus, Mustang, Maverick, Explorer, Escape, Lincoln Corsair, Bronco Sport, and Bronco vehicles. The exhaust gas recirculation (EGR) valve may fail, resulting in an unexpected loss of drive power.

    Consequence, in the NHTSA record

    An unexpected loss of drive power increases the risk of a crash.

    Remedy, in the NHTSA record

    Dealers will replace the EGR valves, free of charge. Owner notification letters were mailed July 31, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26S10. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on March 4, 2026.

    Report filed by Ford Motor Company. Manufacturer campaign number 26S10. Owner notification date in the NHTSA record: 31 Jul 2026. The campaign has 9 make, model and year entries.

16. 26V087000Received 13 Feb 2026. 52 units.

    Engine and Engine Cooling / Cooling System / Hoses/Lines/Piping/Fittings

    Defect, in the NHTSA record

    Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2023-2025 Saf-T-Liner EFX and 2023-2026 Saf-T-Liner HDX vehicles. The heater hose clamps may not have been tightened properly, causing the hose to disconnect and leak heating coolant inside the passenger compartment.

    Consequence, in the NHTSA record

    Contact with hot heating coolant may burn occupants, increasing the risk of injury.

    Remedy, in the NHTSA record

    Dealers will inspect and replace the heater hose clamps, as necessary, free of charge. Owner notification letters were mailed April 10, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1030.

    Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number F1030. Owner notification date in the NHTSA record: 10 Apr 2026. The campaign has 7 make, model and year entries.

17. 26V086000Received 13 Feb 2026. 2,843 units.

    Engine and Engine Cooling / Cooling System / Hoses/Lines/Piping/Fittings

    Defect, in the NHTSA record

    Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2023-2026 Saf-T-Liner EFX and Saf-T-Liner HDX school buses. The heater hose clamps may not have been tightened properly, causing the hose to disconnect and leak heating coolant inside the passenger compartment.

    Consequence, in the NHTSA record

    Contact with hot heating coolant may burn occupants, increasing the risk of injury.

    Remedy, in the NHTSA record

    Dealers will inspect and replace the heater hose clamps, as necessary, free of charge. Owner notification letters were mailed April 10, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1030.

    Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number F1030. Owner notification date in the NHTSA record: 10 Apr 2026. The campaign has 8 make, model and year entries.

18. 26V080000Received 11 Feb 2026. 323,917 units.

    Engine and Engine Cooling / Engine / Hard Parts Internal/Mechanical

    Defect, in the NHTSA record

    Nissan North America, Inc. (Nissan) is recalling certain 2023-2025 Rogue vehicles equipped with 3-cylinder 1.5L variable compression turbo (VC-Turbo) engines. Increased temperatures can break down the engine oil, which may cause the engine bearings to seize and become damaged, leading to engine failure.

    Consequence, in the NHTSA record

    Engine failure can cause a loss of drive power, increasing the risk of a crash. A bearing failure may cause a breach in the engine block, allowing hot oil to be discharged, increasing the risk of an engine fire.

    Remedy, in the NHTSA record

    Dealers will reprogram the engine control module (ECM) software, inspect for diagnostic trouble codes, and test drive the vehicle, free of charge. The dealer may also inspect the oil pan for metal debris, and replace the engine if necessary. Repairs will be performed free of charge. Owner notification letters were mailed April 8, 2026. Owners may contact Nissan's customer service at 800-647-7261. Nissan's numbers for this recall are R25E2 and R25E3. This recall expands previous NHTSA recall number 25V437. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning February 27, 2026.

    Report filed by Nissan North America, Inc.. Manufacturer campaign number R25E2, R25E3. Owner notification date in the NHTSA record: 31 Mar 2026. The campaign has 3 make, model and year entries.

19. 26V081000Received 11 Feb 2026. 318,782 units.

    Fuel System, Gasoline / Fuel Injection System / Throttlebody/Manifold

    Defect, in the NHTSA record

    Nissan North America, Inc. (Nissan) is recalling certain 2024-2025 Rogue vehicles equipped with 3-cylinder 1.5L variable compression turbo (VC-Turbo) engines. The gears in the electronic throttle body assembly may break.

    Consequence, in the NHTSA record

    Broken throttle body gears can cause a loss of drive power, increasing the risk of a crash.

    Remedy, in the NHTSA record

    Dealers will reprogram the engine control module (ECM) software and inspect and replace the electronic throttle body assembly as necessary, free of charge. Owner notification letters were mailed April 8, 2026. Owners may contact Nissan's customer service at 800-647-7261. Nissan's numbers for this recall are R25E2, R25E3 and R25A9. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning February 27, 2026.

    Report filed by Nissan North America, Inc.. Manufacturer campaign number R25E3, R25E4, R25A9. Owner notification date in the NHTSA record: 31 Mar 2026. The campaign has 2 make, model and year entries.

20. 25V891000Received 18 Dec 2025. 1,337 units.

    Engine and Engine Cooling / Engine / Hard Parts Internal/Mechanical

    Defect, in the NHTSA record

    Honda (American Honda Motor Co.) is recalling certain 2024-2026 CBR600RR motorcycles. The cylinder head may have been improperly manufactured, which can lead to rod bearing failure, possibly resulting in rear wheel lock up or oil leaking onto the rear tire.

    Consequence, in the NHTSA record

    Rear wheel lockup increases the risk of a crash or injury. Engine oil that leaks onto hot exhaust components increases the risk of a fire.

    Remedy, in the NHTSA record

    Dealers will replace the engine assembly, free of charge. Interim letters notifying owners of the safety risk were mailed February 9, 2026. A second letter will be sent once the remedy is available, anticipated October 31, 2026. Owners may contact Honda's customer service at 1-866-784-1870. Honda's numbers for this recall are KT5 and KU3. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning January 7, 2026.

    Report filed by Honda (American Honda Motor Co.). Manufacturer campaign number KT5, KU3. The campaign has 3 make, model and year entries.

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Which model lines have the most component mentions of Engine and Engine Cooling?

Ford Taurus: 3,139 mentions. Dodge Intrepid: 2,979 mentions. Ford Windstar: 2,965 mentions. A model line with more vehicles on the road gets more complaints.

Which name in the group Engine and Engine Cooling do complaints use most often?

Engine, with 29,743 mentions. This page lists 15 names of the group.

What is the component group Engine and Engine Cooling?

NHTSA gives each component a name in levels. The group has each name that starts with Engine and Engine Cooling. It has 94,584 component mentions in the complaint file.