2018 Thomas Built Buses SAF-T-Liner EFX: recalls and complaints

NHTSA lists 14 recall campaigns for the 2018 Thomas Built Buses SAF-T-Liner EFX. The newest campaign is 22V762000. NHTSA received the report on 12 Oct 2022. The NHTSA record gives the component Structure / Body / Roof and Pillars. NHTSA has no complaint on file for this model year.

The NHTSA recall file shows no do-not-drive advisory and no park-outside advisory on these campaigns.

This page cannot show if a recall applies to one vehicle. The NHTSA VIN lookup shows the unrepaired recalls of one vehicle.

Remedy of the newest campaign, 22V762000, in the NHTSA record

Dealers will add additional mechanical fasteners to secure the joints, free of charge. Owner notification letters were mailed June 2, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL957.

NHTSA VIN lookup

Complaint information entered into NHTSA’s Office of Defects Investigation vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists.
NHTSA publishes these words. Source: NHTSA Datasets and APIs, section Complaints, read on 1 Oct 2026. Complaint file through 30 Sep 2026. Recall file through 30 Sep 2026.

Since the last update

No tracked figure of this page changed in a data update. What the log tracks

All updates to the register

Recall campaigns

14 campaigns, newest first. 119,849 units in total.

22V76200012 Oct 2022Structure / Body / Roof and Pillars
22V51000019 Jul 2022Seats / Mid/Rear Assembly
19V7120004 Oct 2019Seats
19V44400011 Jun 2019Service Brakes, Air / Disc
18V91400019 Dec 2018Suspension / Front / Control Arm
18V7020005 Oct 2018Service Brakes, Air / Disc / Caliper
18V41000015 Jun 2018Service Brakes, Air / Supply / Check Valve
18V40900015 Jun 2018Service Brakes, Air / Supply / Check Valve
18V35200029 May 2018Service Brakes, Hydraulic / Foundation Components / Disc / Caliper
18V25400019 Apr 2018Seats
18V25300019 Apr 2018Seats
18V19300026 Mar 2018Seats
18V19200026 Mar 2018Seats
17V31300011 May 2017Seats

22V762000Received 12 Oct 2022. 17,613 units.
Structure / Body / Roof and Pillars
Defect, in the NHTSA record
Daimler Trucks North America, LLC (DTNA) is recalling certain 2011-2023 Thomas Built EFX and HDX school buses. The exterior roof panel was manufactured with insufficient joint strength. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 221, "School Bus Body Joint Strength."
Consequence, in the NHTSA record
A school bus exterior roof panel with insufficient joint strength may separate during a crash, increasing the risk of injury.
Remedy, in the NHTSA record
Dealers will add additional mechanical fasteners to secure the joints, free of charge. Owner notification letters were mailed June 2, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL957.
Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number FL957. Owner notification date in the NHTSA record: 2 Jun 2023.
22V510000Received 19 Jul 2022. 1,806 units.
Seats / Mid/Rear Assembly
Defect, in the NHTSA record
Daimler Trucks North America, LLC (DTNA) is recalling certain 2014-23 Thomas Built Buses HDX and 2014-22 EFX school buses equipped with 39-inch S3C seat frames and 3-point flex seatbelts. The passenger seat frames may crack and rotate from fatigue.
Consequence, in the NHTSA record
Cracked passenger seat frames may not adequately secure passengers in the event of a crash, increasing the risk of injury.
Remedy, in the NHTSA record
Dealers will secure the seat frames with brackets, free of charge. Owner notification letters were mail December 4, 2023. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL946.
Report filed by Daimler Trucks North America, LLC. Manufacturer campaign number FL946. Owner notification date in the NHTSA record: 4 Dec 2023.
19V712000Received 4 Oct 2019. 53,528 units.
Seats
Defect, in the NHTSA record
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2020 Thomas Built Saf-T-Liner EFX, Minotour, Saf-T-Liner C2, and Saf-T-Liner HDX school buses equipped with SynTec S3B or S3C seats. The seats may have been manufactured with styrene blocks that may not provide sufficient impact absorption in certain specific areas around the steel seat frame of the back support. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 222, "School Bus Passenger Seating and Crash Protection."
Consequence, in the NHTSA record
The lack of impact absorption increases the risk of injury in the event of a crash.
Remedy, in the NHTSA record
DTNA will notify owners, and dealers will install additional impact material between the re-bond back and the vinyl back cover to increase the amount of absorption, free of charge. DTNA issued owners an interim notification on November 29, 2019. The recall began June 22, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-832.
Report filed by Daimler Trucks North America LLC. Manufacturer campaign number FL-832. Owner notification date in the NHTSA record: 22 Jun 2020.
19V444000Received 11 Jun 2019. 11,546 units.
Service Brakes, Air / Disc
Defect, in the NHTSA record
Daimler Trucks North America LLC (DTNA) is recalling certain 2010-2020 Thomas Built Buses Saf-T-Liner C2, 2016-2019 HDX, and 2017-2019 EFX school buses equipped with Bendix Air Disc Brakes. The driver side rear brakes may drag.
Consequence, in the NHTSA record
The dragging brakes may lead to high temperatures at the wheel end, increasing the risk of smoke and fire, possibly resulting in the bus having to be evacuated, which can increase the risk of injury.
Remedy, in the NHTSA record
DTNA will notify owners, and dealers will install a new caliper with an updated clearance adjustment mechanism, free of charge. The recall began August 9, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-818.
Report filed by Daimler Trucks North America LLC. Manufacturer campaign number FL-818. Owner notification date in the NHTSA record: 9 Aug 2019.
18V914000Received 19 Dec 2018. 73 units.
Suspension / Front / Control Arm
Defect, in the NHTSA record
Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2019 Thomas Built Saf-T-Liner HDX, C2, and EFX School Buses, equipped with Detroit Axle axles. The affected vehicles may have loose steering tie rod arm bolts.
Consequence, in the NHTSA record
Loose tie rod arm bolts may lead to separation of the tie rod arm, affecting vehicle steering, and increasing the risk of a crash.
Remedy, in the NHTSA record
DTNA has notified owners, and dealers will inspect the steering arm and tie rod arm bolts for to make sure that they are properly tightened, installing new fasteners as necessary, free of charge. The recall began February 9, 2019. Owners may contact Daimler Trucks at 1-800-547-0712. DTNA's number for this recall is FL-802.
Report filed by Daimler Trucks North America LLC. Manufacturer campaign number FL-802. Owner notification date in the NHTSA record: 9 Feb 2019.
18V702000Received 5 Oct 2018. 1,532 units.
Service Brakes, Air / Disc / Caliper
Defect, in the NHTSA record
Daimler Trucks North America, LLC (DTNA) is recalling certain 2018-2019 Thomas Built school buses Saf-T-Liner C2, Saf-T-Liner HDX and Saf-T-Liner EFX school buses. The brake caliper mounting bolts may have been insufficiently tightened.
Consequence, in the NHTSA record
Loose brake caliper mounting bolts can reduce brake effectiveness, increasing the risk of a crash.
Remedy, in the NHTSA record
DTNA has notified owners, and dealers will check and tighten the brake caliper mounting bolts, free of charge. The recall began December 3, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-794.
Report filed by Daimler Trucks North America LLC. Manufacturer campaign number FL-794. Owner notification date in the NHTSA record: 3 Dec 2018.
18V410000Received 15 Jun 2018. 5 units.
Service Brakes, Air / Supply / Check Valve
Defect, in the NHTSA record
Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2018 Thomas Built Buses Saf-T-Liner EFX transit buses. The check valve for the air brake system may not be plumbed correctly which can cause the primary air system to not be isolated from the secondary air system.
Consequence, in the NHTSA record
In the event of a rapid loss of air pressure in the secondary system, the incorrectly plumbed check valve can cause rapid air loss in both secondary and primary system, causing the parking brakes to activate suddenly. This will increase the risk of a crash.
Remedy, in the NHTSA record
DTNA will notify owners, and dealers will inspect and repair the check valve as needed, free of charge. The recall began on August 12, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-774.
Report filed by Daimler Trucks North America LLC. Manufacturer campaign number FL-774. Owner notification date in the NHTSA record: 12 Aug 2018.
18V409000Received 15 Jun 2018. 109 units.
Service Brakes, Air / Supply / Check Valve
Defect, in the NHTSA record
Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2018 Thomas Built Buses Saf-T-Liner EFX school buses. The check valve for the air brake system may not be plumbed correctly which can cause the primary air system to not be isolated from the secondary air system.
Consequence, in the NHTSA record
In the event of a rapid loss of air pressure in the secondary system, the incorrectly plumbed check valve can cause rapid air loss in both secondary and primary system, causing the parking brakes to activate suddenly. This will increase the risk of a crash.
Remedy, in the NHTSA record
DTNA will notify owners, and dealers will inspect and repair the check valve as needed, free of charge. The recall began on August 12, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-774.
Report filed by Daimler Trucks North America LLC. Manufacturer campaign number FL-774. Owner notification date in the NHTSA record: 12 Aug 2018.
18V352000Received 29 May 2018. 2,767 units.
Service Brakes, Hydraulic / Foundation Components / Disc / Caliper
Defect, in the NHTSA record
Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner EFX and Saf-T-Liner HDX school buses equipped with air disc brakes. The brake caliper mounting bolts on these vehicles may be insufficiently tightened, allowing the bolts to loosen.
Consequence, in the NHTSA record
If the brake caliper mounting bolts come loose, braking performance may be reduced, increasing the risk of a crash.
Remedy, in the NHTSA record
DTNA will notify owners, and dealers will inspect the brake caliper mounting bolts and tighten them as necessary, free of charge. DTNA issued owners an interim notification on July 25, 2018. The recall began September 4, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-772.
Report filed by Daimler Trucks North America LLC. Manufacturer campaign number FL-772. Owner notification date in the NHTSA record: 4 Sep 2018.
18V254000Received 19 Apr 2018. 24 units.
Seats
Defect, in the NHTSA record
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner EFX, Saf-T-Liner HDX, and Minotour transit buses, equipped with certain S3B Restraint Wall Mounted Seats. The wall mounting bracket may crack, causing the seat to not remain secured in place in the event of a crash.
Consequence, in the NHTSA record
In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.
Remedy, in the NHTSA record
DTNA will notify owners, and dealers will install an additional wall mounting bracket, free of charge. Daimler issued an interim notification to owners on June 15, 20 18. The recall began January 3, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-769.
Report filed by Daimler Trucks North America LLC. Manufacturer campaign number FL-769. Owner notification date in the NHTSA record: 3 Jan 2019.
18V253000Received 19 Apr 2018. 23,102 units.
Seats
Defect, in the NHTSA record
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour school buses equipped with S3B Restraint Wall Mounted Seats. The wall mounting bracket may crack, causing the seat to not remain secured in place in the event of a crash.
Consequence, in the NHTSA record
In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.
Remedy, in the NHTSA record
DTNA will notify owners, and dealers will install an additional wall mounting bracket, free of charge. Daimler issued owners an interim notification on June 12, 2018. The recall began January 3, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-769.
Report filed by Daimler Trucks North America LLC. Manufacturer campaign number FL-769. Owner notification date in the NHTSA record: 3 Jan 2019.
18V193000Received 26 Mar 2018. 6 units.
Seats
Defect, in the NHTSA record
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour transit buses, equipped with certain Syntec-brand S3B, Non-Restraint, Wall Mounted Seats. The wall mounting bracket may crack, which may cause the seat to not remain secured in place in the event of a crash.
Consequence, in the NHTSA record
In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.
Remedy, in the NHTSA record
DTNA will notify owners, and dealers will install an additional wall mounting bracket, free of charge. DTNA issued an interim notification to owners on May 10, 2018. The recall began May 10, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-763.
Report filed by Daimler Trucks North America LLC. Manufacturer campaign number FL-763. Owner notification date in the NHTSA record: 10 May 2019.
18V192000Received 26 Mar 2018. 6,606 units.
Seats
Defect, in the NHTSA record
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour school buses, equipped with certain Syntec-brand S3B, Non-Restraint, Wall Mounted Seats. The wall mounting bracket may crack, which may cause the seat to not remain secured in place in the event of a crash.
Consequence, in the NHTSA record
In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.
Remedy, in the NHTSA record
DTNA will notify owners, and dealers will install an additional wall mounting bracket, free of charge. DTNA issued an interim notification to owners on May 9, 2018. The recall began May 10, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-763.
Report filed by Daimler Trucks North America LLC. Manufacturer campaign number FL-763. Owner notification date in the NHTSA record: 10 May 2019.
17V313000Received 11 May 2017. 1,132 units.
Seats
Defect, in the NHTSA record
Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner EFX and Saf-T-Liner HDX school buses. The occupant seats may have been installed without under-rail washers, reducing their anchorage strength.
Consequence, in the NHTSA record
Without under-rail washers, in the event of a crash, the seats may come loose, increasing the risk of injury.
Remedy, in the NHTSA record
DTNA will notify owners, and dealers will inspect the seats and replace the mounting hardware, as necessary, free of charge. The recall began on June 28, 2017. Owners may contact DTNA Customer Service 1-800-547-0712. DTNA's number for the recall is FL-737.
Report filed by Daimler Trucks North America LLC. Manufacturer campaign number FL-737. Owner notification date in the NHTSA record: 28 Jun 2017.

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

Complaints by component

The NHTSA complaint file has no complaint for this model year.

Investigations

The NHTSA investigation file has no investigation that names this model year.

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

Other model years

The number under each year is the number of recall campaigns.

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

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Official channels

NHTSA VIN lookupNHTSA shows the unrepaired recalls of one vehicle from its VIN or its license plate.
NHTSA: report a safety problemThe NHTSA form for a complaint about a vehicle, a tire, a child seat or equipment.
NHTSA page of the 2018 Thomas Built Buses SAF-T-Liner EFXThe recalls, the complaints and the investigations that NHTSA shows for this model year.

Cite this page

Recall Register. 2018 Thomas Built Buses SAF-T-Liner EFX: recalls and complaints. https://recallregister.com/vehicle/thomas-built-buses/saf-t-liner-efx/2018/. Source: NHTSA Office of Defects Investigation, recall, complaint and investigation files. Data through 30 Sep 2026.

Sources

Source: NHTSA Office of Defects Investigation
Licence: US government work, public domain
Recall file through: 30 Sep 2026
Complaint file through: 30 Sep 2026
First complaint in the file: 1 Jan 1995
Manufacturer in the recall file: Daimler Trucks North America, LLC

The NHTSA record is the authority. A complaint count is the number of different complaint numbers for the make, the model and the model year. How the register is made. Report an error.

Questions

How many units are in the recall campaigns for the 2018 Thomas Built Buses SAF-T-Liner EFX?: 119,849 units in 14 campaigns. A campaign can name other models and model years, and its units include them.
How many recall campaigns does the Thomas Built Buses SAF-T-Liner EFX have for all model years?: NHTSA lists 42 recall campaigns for the Thomas Built Buses SAF-T-Liner EFX, model years 2006 to 2026. 14 of them name the 2018 model year.
Is an NHTSA investigation of the 2018 Thomas Built Buses SAF-T-Liner EFX open?: The NHTSA investigation file has no investigation that names this model year.