2022 Thomas Built Buses Minotour School Buses FL899 Cabin Joint Strength

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August 25, 2021 NHTSA CAMPAIGN NUMBER: 21V661000

Insufficient Cabin Joint Strength/FMVSS 221

A school bus cabin with insufficient joint strength increases the risk of injury in a crash.

 

NHTSA Campaign Number: 21V661

Manufacturer Daimler Trucks North America, LLC

Components STRUCTURE

Potential Number of Units Affected 846

 

Summary

Daimler Truck North America, LLC (DTNA) is recalling certain 2022 Thomas Built Buses Minotour school buses. Adhesive may not have been properly applied between the lower interior side panel and the seat rail, resulting in 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.”

 

Remedy

DTNA will add additional mechanical fasteners to the joint, free of charge. Owner notification letters are expected to be mailed on October 17, 2021. Owners may contact DTNA’s customer service at 1-800-547-0712. DTNA’s number for this recall is FL-899.

 

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

 

Check for Daimler Trucks North America Recalls

 


Thomas Built Buses
Thomas Built Buses

 


Subject: TBB Minotour Side Panel Installation

Models Affected: Specific model year 2022 Minotour school buses manufactured January 11, 2021, through June 29, 2021.

 

General Information

Daimler Trucks North America LLC (DTNA), on behalf of its wholly owned subsidiary, Thomas Built Buses (TBB), has decided that a defect that relates to motor vehicle safety exists on the vehicles mentioned above.

In certain Minotour school buses, adhesive may not have been properly applied between the lower interior side panel and the seat rail. If the adhesive is not properly applied, the joint may not meet the joint strength requirement of FMVSS 221 S5.1/CMVSS 221 S3., which could increase the risk of injury in the event of a crash.

On affected vehicles, additional mechanical fasteners will be added to the joint in order to bring the vehicles into compliance. Repairs will be performed by Daimler Trucks North America authorized service facilities.

There are approximately 793 vehicles involved in this campaign.

 

Additional Repairs

Dealers must complete all outstanding Recall and Field Service campaigns prior to the sale or delivery of a vehicle. A Dealer will be liable for any progressive damage that results from its failure to complete campaigns before sale or delivery of a vehicle.

Owners may be liable for any progressive damage that results from failure to complete campaigns within a reasonable time after receiving notification.

 

Work Instructions

Please refer to the attached work instructions.

 

Replacement Parts

Replacement parts are now available and can be obtained by ordering the kit and/or part number(s) listed below from your facing Parts Distribution Center.

 

Work Instructions

Subject: TBB Minotour Side Panel Installation

Models Affected: Specific model year 2022 Minotour school buses manufactured January 11, 2021, through June 29, 2021.

 

Service Procedure Overview

Install sheet metal screws horizontally along the top portion of the bottom sidelining, below the seat rail, the full length of the passenger compartment. See Fig. 1 for the location and parts list. Install screws vertically at the front and rear of the bottom sidelining near the step well Fig. 2 and Fig. 3.

 

Decommission the Vehicle for Repair

1. Park the vehicle on a level surface, turn engine OFF, place in park, chock wheels, and turn the body circuit breaker to the OFF position.

2. Disconnect negative battery cables at the batteries.

 

Repair Procedure

IMPORTANT: 1.) This repair does not require the removal of the seat frames. 2.) In some cases, the underseat seater cover may need removed to install the screws.

3. Create screw drilling/location templates for both the horizontal and vertical screw placement. See the last page of these work instructions for the template layouts. A paper template made to scale should be sufficient.

4. Place, and firmly hold the horizontal template/fixture in place over the existing screws shown in Fig. 4.

5. Drill holes, using a #19 drill bit, through the small holes of the template/fixture.

6. Install screws P/N: TBB 66003099 Fig. 5 using a #2 x 152 square bit tool or similar Fig. 6.

7. The installation will look similar to Fig. 7.

8. Continue with this process until the full length of the left and right side of the bus is completed.

 

9. Perform the vertical screw installation starting in the step well area.

10. Place and firmly hold the vertical template/fixture over the existing screws as shown in Fig. 8.

 

11. Proceed to the remaining vertical screw installations. using this method as follows:

  • Right rear sidelining vertical
  • Left rear sidelining vertical
  • Left front sidelining vertical, behind the driver area.

12. CLEAN the floor of vehicle once the repair is completed.

 


1 Affected Product

Vehicle

MAKE MODEL YEAR
THOMAS BUILT BUSES MINOTOUR 2022

 


9 Associated Documents

Recall 573 Report- Amendment 1

RCLRPT-21V661-5981.PDF 213.458KB

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Miscellaneous Document- Amended Defect Information Report

RMISC-21V661-9836.pdf 766.302KB

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Recall Quarterly Report #1, 2021-4

RCLQRT-21V661-0489.PDF 211.151KB

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Manufacturer Notices(to Dealers,etc)

RCMN-21V661-6198.pdf 1073.678KB

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ISSUED Owner Notification Letter(Part 577)

RCONL-21V661-5435.pdf 143.723KB

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Recall Acknowledgement

RCAK-21V661-5108.pdf 645.764KB

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Miscellaneous Document- 573- Defect Information Report

RMISC-21V661-7522.pdf 657.114KB

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Noncompliance Notice 573 Report

RCLRPT-21V661-9382.PDF 213.42KB

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Recall Quarterly Report #2, 2022-1

RCLQRT-21V661-3816.PDF 211.253KB

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Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21V661&docType=RCL

 


 

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