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November 11, 2023 NHTSA CAMPAIGN NUMBER: 23V763000
Climate Control HVAC Unit May Detach from Roof
An HVAC unit that detaches from a bus can create a road hazard, increasing the risk of a crash.
NHTSA Campaign Number: 23V763
Manufacturer Nova Bus (US) Inc.
Components EQUIPMENT
Potential Number of Units Affected 339
Summary
Nova Bus (US) Inc. (Nova Bus) is recalling certain 2020-2023 LFS and LFS Artic transit buses. The brackets retaining the Mobile Climate Control HVAC Unit could fail and allow the unit to detach from the bus.
Remedy
Nova Bus will inspect the existing brackets and install additional brackets, as necessary, free of charge. Owner notification letters are expected to be mailed December 20, 2023. Owners may contact Nova Bus customer service at 1-800-350-6882. Nova Bus’s number for this recall is CR5508.
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.
Chronology :
April 16, 2023: Nova Bus was informed that a vehicle had 2 of 4 broken retaining brackets.
May 18, 2023: Nova Bus started an internal Investigation.
June 05, 2023: The issue was raised to the safety forum as a potential risk for evaluation.
July 13, 2023: Nova Bus opens a formal potential safety related issue investigation.
October 12, 2023: Product Safety Evaluation Committee evaluates and raises to Product Safety Committee.
October 19, 2023: Evaluated at Product Safety Committee and further information requested relative to retaining forces.
October 26, 2023: Additional information presented to Product Safety Evaluation Committee for evaluation and raised to Product Safety Committee.
November 6, 2023: Product Safety Committee determination of product defect.
November 11, 2023: Nova Bus files 573 with NHTSA that a voluntary recall will be released to address the safety-related defect.
There have been no accidents or injuries related to this defect. There have been four vehicles where a broken bracket was identified during the process of the investigation.
8 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| NOVA BUS | LFS | 2020-2023 |
| NOVA BUS | LFS ARTIC | 2020-2023 |
2 Associated Documents
Recall Acknowledgement
RCAK-23V763-8298.pdf 645.406KB
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Defect Notice 573 Report
RCLRPT-23V763-9251.PDF 215.538KB
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Latest Recalls Documents
For the Latest and Most Recent Recalls Information Visit the link below…
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=23V763&docType=RCL
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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23V-763 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Nova Bus (US) Inc. Submission Date : NOV 11, 2023 NHTSA Recall No. : 23V-763 Manufacturer Recall No. : CR5508 Manufacturer Information : Manufacturer Name : Nova Bus (US) Inc. Address : 260 Banker Road PLATTSBURGH NY 12901 Company phone : 450-472-6410 Population : Number of potentially involved : 339 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2023 Nova LFS / LFS Artic Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : The recall population is defined by vehicles built from November 19, 2019 through May 22, 2023 that may have insufficient strength retaining brackets for the Mobile Climate Contol Unit installed on the roof. Production Dates : NOV 19, 2019 – MAY 22, 2023 VIN Range 1 : Begin : 4RKYL82J4L9777479 End : 4RKYL82J0P977890 ✔ Not sequential Description of Defect : Description of the Defect : The brackets retaining the Mobile Climate Control Unit could fail due to high mechanical loads. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : In the event that the brackets retaining the Mobile Climate Control Unit fail, the unit may separate from the vehicle, causing an increased risk of injury or crash. Description of the Cause : Insufficient design validation for the actual vehicle conditions. Identification of Any Warning that can Occur : There is no warning prior to occurrence. Involved Components : Part 573 Safety Recall Report 23V-763 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : BRACKET Component Description : BOX CORNER Component Part Number : Y24-01421 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : April 16, 2023: Nova Bus was informed that a vehicle had 2 of 4 broken retaining brackets. May 18, 2023: Nova Bus started an internal Investigation. June 05, 2023: The issue was raised to the safety forum as a potential risk for evaluation. July 13, 2023: Nova Bus opens a formal potential safety related issue investigation. October 12, 2023: Product Safety Evaluation Committee evaluates and raises to Product Safety Committee. October 19, 2023: Evaluated at Product Safety Committee and further information requested relative to retaining forces. October 26, 2023: Additional information presented to Product Safety Evaluation Committee for evaluation and raised to Product Safety Committee. November 6, 2023: Product Safety Committee determination of product defect. November 11, 2023: Nova Bus files 573 with NHTSA that a voluntary recall will be released to address the safety-related defect. There have been no accidents or injuries related to this defect. There have been four vehicles where a broken bracket was identified during the process of the investigation. Description of Remedy : Description of Remedy Program : Remedy program will be to perform an inspection of the existing brackets and add additional brackets to provide sufficient design margin. All costs associated with this corrective measure will be covered by Nova Bus. Prenotification remedies will be addressed using the Nova Bus general reimbursement plan on file with NHTSA. How Remedy Component Differs from Recalled Component : Remedied component will have four additional brackets installed. Y24-01421 BRACKET, BOX CORNER Part 573 Safety Recall Report 23V-763 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Identify How/When Recall Condition was Corrected in Production : An internal campaign was launched to correct vehicles in production November 7, 2023. Recall Schedule : Description of Recall Schedule : Note: Nova Bus does not have a dealer network and the dates entered for the planned dealer notification begin/end date are only to avoid NHTSA Recall Portal error while submitting the recall report. Owner notification will begin on or before December 20, 2023 Planned Dealer Notification Date : NOV 15, 2023 – NOV 15, 2023 Planned Owner Notification Date : DEC 20, 2023 – DEC 20, 2023 * NR – Not Reported
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