CR5342 Loose or Missing Steering Gear Box Fasteners – 2018-2022 Nova Bus LFS & 2018-2021 LFS Artic Buses

November 15, 2022 NHTSA CAMPAIGN NUMBER: 22V845000

Loose or Missing Steering Gear Box Fasteners

Missing fasteners may cause a of a loss of steering, increasing the risk of a crash.

 

NHTSA Campaign Number: 22V845

Manufacturer Nova Bus (US) Inc.

Components STEERING

Potential Number of Units Affected 827

 

Summary

Nova Bus (US) Inc. (Nova Bus) is recalling certain 2018-2022 LFS and 2018-2021 LFS Artic buses equipped with a Bosch steering gear box. The steering gear box may have an insufficient clamp load, which may allow the mounting plate sub-assembly fasteners to loosen and possibly fall out.

 

Remedy

Owners are advised not to drive their vehicles until the remedy has been completed. Nova Bus will inspect and tighten the fasteners as an interim remedy. The permanent remedy, consisting of replacing and tightening new fasteners to increase the clamp load, is expected to be available November 30, 2022, free of charge. Owner notification letters were mailed November 16, 2022. Owners may contact Nova Bus customer service at 1-800-350-6682. Nova Bus’s number for this recall is CR5342.

 

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.

 


An issue was recently found on some Nova Bus vehicles equipped with a Bosch steering gearbox. The issue concerns the 7/8’’ bolts (3) that secure the steering gearbox mounting plate assembly to the vehicle frame.

We have identified that you have some vehicles equipped with this configuration. We recommend that an inspection be performed on these specific vehicles to confirm that the suspected bolts are not found loose:

  • Visual inspection to confirm the presence of the three (3) bolts;
  • Visual inspection to confirm the torque seal marks are not broken on these bolts;
  • Torque inspection and retorque of these bolts to the nominal value of 452 N.m.
  • Apply new torque seal marks to the bolts.

 


SUBJECT:

Bosch steering gear box mounting plate fasteners interim remedy*.

 

JUSTIFICATION:

The steering gear box installation may not have sufficient clamp load which may lead to the steering gear box mounting plate sub-assembly fasteners to become low torque, lose or missing.

* The permanent remedy will be published under CR5342E.

 


Chronology :

2022-11-02: Nova Bus receives a consumer complaint from customer A.

2022-11-04: Nova Bus receives a consumer complaint from customer B.

2022-11-09: Nova Bus makes a first contact with Federal Transit Administration Office of Transit Safety and Oversight

2022-11-10: Nova Bus Product Safety Working Group reviews the facts available and historical data including

2019 and 2021 field reports.

2022-11-14: Nova Bus PSWG receives additional information about the reported failure at customer B.

2022-11-14: Nova Bus Product Safety Working Group raises the case to the Nova Bus Product Safety Committee.

2022-11-14: Nova Bus issues a preventive delivery stop.

2022-11-15: Nova Bus Product Safety Committee determines a Safety-Related Defect exists and determines a Do Not Drive Warning.

2022-11-15: Nova Bus submits a vehicle recall report to NHTSA.

Nova Bus has not received any property damage claim, and neither notice or claim of injury or death associated with this regulatory noncompliance.

 


9 Affected Products

Vehicles

MAKE MODEL YEAR
NOVA BUS LFS 2018-2022
NOVA BUS LFS ARTIC 2018-2021

 


5 Associated Documents

Defect Notice 573 Report

RCLRPT-22V845-6347.PDF 215.525KB

RCLRPT-22V845-6347

 


Owner Notification Letter(Part 577)

RCONL-22V845-9061.pdf 209.732KB

RCONL-22V845-9061

 


Advanced communication for inspection

RMISC-22V845-4393.pdf 165.629KB

RMISC-22V845-4393

 


Recall Acknowledgement

RCAK-22V845-2143.pdf 690.291KB

RCAK-22V845-2143

 


Safety Bulletin

RCSB-22V845-1703.pdf 738.701KB

RCSB-22V845-1703

 


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=22V845&docType=RCL

 


 

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Last update on 2022-11-14 / Affiliate links / Images from Amazon Product Advertising API

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