Delay in Park Brake Engagement – 2024 Spartan Fire MetroStar

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Recall Service Bulletin
Recall Service Bulletin
RSB23-330-001
Page 1 of 6 QUA-FR-0290
Rev: 4.0
23017
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
DATE: 10/25/2022
APPLIES TO: This service bulletin applies to certain 2021 through 2024 model year,
Gladiator, Metro Star, FC-94, KME Panther, and KME Predator model
emergency response chassis cabs built between June 2022 and
September 2023.
NHTSA/TC Id: 23V-631/TC Id: 2023-512
CONDITION: Potential delay in the park brake setting after park brake valve is
activated.
CORRECTION: Inspect and replace the inversion valve if qualified.
LABOR ALLOCATION: 0.5 hour Inspection
0.5 hour Replacement
CLASSIFICATION: V3
PARTS NEEDED:
QTY Part Number Description
1 1617-MM5-001 Inversion Valve
Recall Service Bulletin
Recall Service Bulletin
RSB23-330-001
Page 2 of 6 QUA-FR-0290
Rev: 4.0
23017
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
GENERAL INSTRUCTIONS:
Thoroughly review entire service bulletin before starting work. If there are questions or concerns
with steps defined in this service bulletin, contact Spartan Fire, LLC. Customer & Product Support
Group (1-800-867-6478)
All applicable industry safety standards must be followed when performing work identified in this
procedure.
Step By Step Instructions
1) Ensure vehicle park brakes are set and chock the wheels.
2) Locate inversion valve under truck mounted to the crossmember in front of the engine
on the driver’s side. (See Figure 2.1)
Figure 2.1
Recall Service Bulletin
Recall Service Bulletin
RSB23-330-001
Page 3 of 6 QUA-FR-0290
Rev: 4.0
23017
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
3) Inspect metallic tag attached to the body of the inversion for a green mark.
(See Figure 2.2)
a) If a green mark is present, the inversion valve does not require replacement. Please
notify Spartan Fire of the presence of the green mark so the vehicle records can be
updated. No further action is required.
b) If green mark is not present, inversion valve must be replaced. Please contact Rev
Fire Parts to procure a certified valve with the green mark. Do not source valve
locally. Replacement must be certified from Rev Fire parts, signified by a colored
mark on the ID tag. Proceed to step 4.
Figure 2.2
Recall Service Bulletin
Recall Service Bulletin
RSB23-330-001
Page 4 of 6 QUA-FR-0290
Rev: 4.0
23017
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
4) Label the air lines at the inversion to ensure proper re-installation.
5) Remove air lines from the inversion valve.
6) Remove the two 5/16” bolts from the inversion valve and remove the inversion valve.
7) Remove fittings from old inversion valve. Coat threads with new thread sealant. Install
fittings into new inversion valve.
8) Retain old inversion valve to return to Spartan Fire. Contact Spartan Fire LLC
(1-800-867-6478) for a return shipping label.
9) Install new inversion valve to cross-member using same two 5/16” bolts.
10) Reconnect air lines in their respective locations. (See Figure 5.1 and 6.1)
11) Start the engine and permit the air system to build to full governed air pressure.
12) Chock the wheels, release the park brake, and apply the service brakes. Check inversion
valve for leaks.
13) If no leaks are present, the repair is complete, and the vehicle is ready for operation.
Recall Service Bulletin
Recall Service Bulletin
RSB23-330-001
Page 5 of 6 QUA-FR-0290
Rev: 4.0
23017
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
Figure 5.1
Recall Service Bulletin
Recall Service Bulletin
RSB23-330-001
Page 6 of 6 QUA-FR-0290
Rev: 4.0
23017
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
Figure 6.1

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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 24V-007
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Marion Body Works Inc. JAN 08, 2024 NHTSA Recall No. : 24V-007 Manufacturer Recall No. : 23V-631 Manufacturer Information :
Manufacturer Name : Marion Body Works Inc. Address : 211 West Ramsdell St.
Marion WI 54950
Company phone : 715-754-5261
Population :
Number of potentially involved : 2
Estimated percentage with defect : 100 %
Vehicle Information :
Vehicle 1 : 2024-2024 Spartan Fire MetroStar Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : The basis for this recall population are emergency response cab chassis equipped with a Wabco inversion valve – Metro Star 2024 model year trucks affected. Production Dates : JAN 01, 2023 – JUN 14, 2023
VIN Range 1 : Begin : 4S9CT2D91RC560877 End : 4S9CT2D92RC560726 ✔ Not sequential Description of Defect :
Description of the Defect : A defect in the inversion valve may cause the park brake engagement to be intermittently delayed. As such, these vehicles may fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, “Air Brake Systems”.
FMVSS 1 : 121 – Air brake systems FMVSS 2 : NR
Description of the Safety Risk : If this condition exists, the park brake may not be applied within 3 seconds, resulting in inadvertent vehicle movement and possible injury.
Description of the Cause : The inversion valve was determined to be out of specification, but confirmation of root cause is still under investigation. Identification of Any Warning
that can Occur : The issue would be detectable by not hearing the audible set.
Involved Components : Part 573 Safety Recall Report 24V-007 Page 2 Component Name 1 : Inversion Valve Component Description : NR
Component Part Number : Spartan PN: 1617-MM5/Wabco PN: 9718990020 Supplier Identification : Component Manufacturer
Name : Wabco/ZF Group Address : 12001 Tech Center Drive
Livonia Michigan 48150
Country : United States Chronology :
August 12, 2022 – January 18, 2023 – Internal production intermittent, non-repeatable issues being investigated.
January 19, 2023 – Spartan received notice from Final Stage Manufacturer of repeatable potential delay when engaging the park brake.
January 23 – August 31, 2023 – Spartan worked with Wabco to investigate the issue, created a PSR team, quality alert, as well as conducted a risk assessment. Wabco and their supplier completed various types of inspections and testing on returned parts. (Chronology details will be provided in a separate document). August 31, 2023 – Reviewed warranty one last time and found recent claims found at the end user. Therefore, the PSR team conducted another risk assessment.
September 5, 2023 – Spartan escalated the issue to REV Group Management. September 6, 2023 – Stop ship issued.
September 7, 2023 – REV’s senior leadership approved a voluntary recall for this issue. December 19, 2023 – Marion Body Works was issued a safety recall notice from Spartan. January 8, 2024 – Marion Body Works submitted a safety recall to NHTSA. Description of Remedy :
Description of Remedy Program : NR How Remedy Component Differs NR from Recalled Component :
Identify How/When Recall Condition NR was Corrected in Production : The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-007
Page 3
The information contained in this report was submitted pursuant to 49 CFR §573
Recall Schedule :
Description of Recall Schedule : Marion Body Works will begin dealer and customer notifications by the
week of January 22, 2024.
Planned Dealer Notification Date : JAN 22, 2024 – JAN 26, 2024
Planned Owner Notification Date : JAN 22, 2024 – JAN 26, 2024
* NR – Not Reported

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1m11101·1
A Tradition of Quality. Since 1905 January 15, 2024
IMPORTANT SAFETY RECALL – Recall Number: 24V-007
Affected Chassis: Dear Valued Customer,
This notice is sent to you in accordance with the requirements of the National
Traffic and Mortor Vehicle Safety Act. Spartan Fire, LLC has decided that adefect which relates to motor vehicle safety exists in certain model year 2024 Metro Star emergency response chassis cabs. What is the concern? A defect in the inversion valve may cause the park brake engagement to be intermittently delayed. As such, these vehicles may fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, “Air Brake Systems.” If this condition exists, the park brake may not be applied within 3 seconds, resulting in inadvertent vehicle movement and increasing the risk of a crash or injury. Corrective Action The affected vehicles will have the inversion valve replaced with a certified inversion valve. The vehicle listed on this letter will need to be inspected following Spartan’s Recall Service bulletin RSB23-330-001. What should you do? Contact your dealer to arrange a service date to complete the work necessary for this repair. If you have any questions or concerns, please contact: Spartan Warranty- P: 800-867-6478 —–f1fl1–www–_m_a_r-io-nb_o_d_y.-co_m_•2_1W1_e-st-R-am-sd_e Sllt-re_e_-t-P-.O-_-B-ox_5_0_0_•_M_a_rio_n_-W, –154_9_5-0–05_0_0 Phone: 715-754-5261 • Fax: 715-754-5776 1m11101·1
A Tradition of Quality. Since 1905
Marion Body Works – Fire & Emergency Warranty- P: 715-754-5261 Listed on this document, you will find the chassis cabs Marion has sold to you. If you agree the identified chassis, contains a safety defect, you are reminded of your responsibility to notify the National Highway Traffic Safety Administration (NHTSA) in accordance with 49CFR573. It is a violation of federal regulation to sell a vehicle subject to a safety recall without the recall first being remedied. If after having attempted to take advantage of this recall you believe you have not been able to have your vehicle remedied without charge and within a reasonable amount of time, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Ave., S.E., Washington, D.C. 20590 or call the toll-free vehicle safety hotline at 1-888-327-4236 (TTY: 1-800- 424-9153); or go to http://www.safecar.gov. We apologize for any inconvenience this may cause, your safety is our first concern.
Sincerely,
Rachel Heineman
Director of Quality & Operational Excellence —–f1fl1–www–_m_a_r-io-nb_o_d_y.-co_m_•2 1W_1_e-st-R-am-sd e_Sltl-re_e_–tP-.O-_-B-ox_5_0_0_•_M_a_rio_n-_W, –514_9_5-0–05_0_0 Phone: 715-754-5261 • Fax: 715-754-5776

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