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February 29, 2024 NHTSA CAMPAIGN NUMBER: 24V164000
Steering Gear Shaft May Fracture
Fractured steering gear teeth can cause a loss of steering control, increasing the risk of a crash.
NHTSA Campaign Number: 24V164
Manufacturer Navistar, Inc.
Components STEERING
Potential Number of Units Affected 272
Summary
Navistar, Inc. (Navistar) is recalling certain 2025 International HV, HX, LT, and MV vehicles. The steering gear sector shaft may have been improperly heat-treated, which can cause the gear teeth to crack or fracture.
Remedy
Dealers will replace the steering gears, free of charge. Owner notification letters are expected to be mailed April 29, 2024. Owners may contact Navistar customer service at 1-800-448-7825. Navistar’s number for this recall is 24505.
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 :
- 01/18/2024 – R. H. Sheppard communicates to Navistar of finding a steering gear sector shaft with less
than the required hardness during shot peen operation.
- 01/18/2024 – Navistar initiates ship hold of all loose steering gears and vehicles at the assembly
plants, finding 785 suspect gears out of 1,037 suspect gears, and established clean point at the Escobedo and
San Antonio assembly plants.
- 01/18/2024 through 02/20/2024 – Navistar conducts a search of manufacturing records to identify
vehicles built with a suspect steering gear serial number.
- 02/07/2024 – Navistar Product Safety, Engineering, and supplier quality meet with R. H. Sheppard to
review and discuss the failure mode, root cause, lot code and steering gear serial number data collected by R. H.
Sheppard.
- 02/21/2024 – Navistar completes its review of manufacturing records and finalizes the Suspect
Population
- 02/22/2024 – Navistar declares a Safety Recall.
24E010 – Steering Gear Shaft May Fracture – R.H. Sheppard
4 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| INTERNATIONAL | HV | 2025 |
| INTERNATIONAL | HX | 2025 |
| INTERNATIONAL | LT | 2025 |
| INTERNATIONAL | MV | 2025 |
2 Associated Documents
Recall Acknowledgement
RCAK-24V164-8755.pdf 731.459KB
Defect Notice 573 Report
RCLRPT-24V164-9530.PDF 216.603KB
Latest Recalls Documents
For the Latest and Most recent Recall Information Visit the link below…
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=24V164&docType=RCL
- High quality power steering fluid and conditioner
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- Package Dimensions: 23.2 H x 6.9 L x 11.2 W (centimetres)
- Package Weight: 0.9 kilograms
- Country of Origin : United States
- Fit type: Universal
- REDUCES NOISE AND SMOOTHES OUT HARD STEERING: A unique dual cavity bottle containing a combination of the best performance additives to repair the most common power steering fluid related problems.
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Last update on 2024-04-12 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.
SEOCONTENT-START
OMB Control No.: 2127-0004
Part 573 Safety Recall Report 24V-164
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Navistar, Inc. FEB 29, 2024 NHTSA Recall No. : 24V-164 Manufacturer Recall No. : 24505 Manufacturer Information :
Manufacturer Name : Navistar, Inc.
Address : 2701 Navistar Drive
Lisle IL 60532 Company phone : 331-332-1590
Population :
Number of potentially involved : 272 Estimated percentage with defect : 5 %
Vehicle Information :
Vehicle 1 : 2025-2025 International HV
Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : • The suspect population is identified by models equipped with R. H. Sheppard HD94P, HD94S, and M100P steering gears.
• The inclusive dates of manufacture were determined by suspect steering gear serial numbers provided by RH Sheppard and production data at Navistar’s vehicle manufacturing plants.
• The vehicles in the suspect population may have been built with steering gears with suspect serial numbers and all other similar vehicles were not.
There are 36 HV series trucks in the suspect population.
Production Dates : JAN 03, 2024 – JAN 15, 2024
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2025-2025 International HX
Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : • The suspect population is identified by models equipped with R. H. Sheppard HD94P, HD94S, and M100P steering gears.
• The inclusive dates of manufacture were determined by suspect steering gear serial numbers provided by RH Sheppard and production data at Navistar’s vehicle manufacturing plants.
• The vehicles in the suspect population may have been built with steering gears with suspect serial numbers and all other similar vehicles were not.
There are 9 HX series trucks in the suspect population.
Production Dates : JAN 03, 2024 – JAN 11, 2024
VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 24V-164 Page 2 Vehicle 3 : 2025-2025 International LT
Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL
Descriptive Information : • The suspect population is identified by models equipped with R. H. Sheppard HD94P, HD94S, and M100P steering gears.
• The inclusive dates of manufacture were determined by suspect steering gear serial numbers provided by RH Sheppard and production data at Navistar’s vehicle manufacturing plants.
• The vehicles in the suspect population may have been built with steering gears with suspect serial numbers and all other similar vehicles were not.
There are 81 LT series trucks in the suspect population.
Production Dates : JAN 04, 2024 – JAN 18, 2024
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 4 : 2025-2025 International MV
Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : NR
Descriptive Information : • The suspect population is identified by models equipped with R. H. Sheppard HD94P, HD94S, and M100P steering gears.
• The inclusive dates of manufacture were determined by suspect steering gear serial numbers provided by RH Sheppard and production data at Navistar’s vehicle manufacturing plants.
• The vehicles in the suspect population may have been built with steering gears with suspect serial numbers and all other similar vehicles were not.
There are 146 MV series trucks in the suspect population.
Production Dates : JAN 03, 2024 – JAN 18, 2024
VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect :
Description of the Defect : As reported by R. H. Sheppard in recall 24E-010, “the steering gear sector shaft does not meet hardness requirements for the gear teeth.”
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : As reported by R. H. Sheppard in recall 24E-010, “sector shaft gear teeth with lower than expected hardness may prematurely wear, crack, or fracture. A fractured gear tooth may interfere with the gear mechanism leading to non- smooth steering effort or binding. A steering gear that binds increases the likelihood of a crash.”
Description of the Cause : As reported by R. H. Sheppard in recall 24E-010, “heat treating may have not been properly performed on some lots of sector shafts resulting in lower than The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-164 Page 3 Identification of Any Warning
that can Occur : expected hardness for the gear teeth. Sector shaft gear teeth with lower than required hardness are not as durable as properly hardened sector shaft gear teeth.”
As reported by R. H. Sheppard in recall 24E-010, “the driver may hear a popping sound when a tooth fractures. The driver may notice lumpy or non- smooth steering effort when the gear moves through the cracked or fractured location.” Involved Components : Component Name 1 : Steering gear Component Description : Steering gear Component Part Number : Various Supplier Identification : Component Manufacturer
Name : R. H. Sheppard Address : 101 Philadelpha St.
P. O. Box 877 Hanover Pennsylvania 17331
Country : United States Chronology :
• 01/18/2024 – R. H. Sheppard communicates to Navistar of finding a steering gear sector shaft with less than the required hardness during shot peen operation.
• 01/18/2024 – Navistar initiates ship hold of all loose steering gears and vehicles at the assembly plants, finding 785 suspect gears out of 1,037 suspect gears, and established clean point at the Escobedo and San Antonio assembly plants.
• 01/18/2024 through 02/20/2024 – Navistar conducts a search of manufacturing records to identify vehicles built with a suspect steering gear serial number.
• 02/07/2024 – Navistar Product Safety, Engineering, and supplier quality meet with R. H. Sheppard to review and discuss the failure mode, root cause, lot code and steering gear serial number data collected by R. H. Sheppard.
• 02/09/2024 – Navistar receives R.H. Sheppard’s 573 defect report for 24E-010.
• 02/21/2024 – Navistar completes its review of manufacturing records and finalizes the Suspect Population The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-164
Page 4
The information contained in this report was submitted pursuant to 49 CFR §573
• 02/22/2024 – Navistar declares a Safety Recall.
Description of Remedy :
Description of Remedy Program : • The remedy will involve replacing any steering gear found with a
suspect serial number.
• Navistar’s plan for reimbursement of pre-notification remedies, on file with NHTSA and dated 05/06/2022, applies and reimbursement instructions will be included in the customer notification. How Remedy Component Differs from Recalled Component : Identify How/When Recall Condition was Corrected in Production : As reported by R. H. Sheppard in recall 24E-010, ”the replacement parts have steering gear sector shafts that have the heat treatment properly performed and the required hardness has been demonstrated.”
As reported by R. H. Sheppard in recall 24E-010, “the heat treating furnace that produced the suspect steering gear sector shafts was taken off-line.
Components that were processed through the problematic furnace were identified and contained. Fully assembled gears that were built with the suspect steering gear sector shafts were identified and contained.
Shipments to vehicle manufacturers were called back. Other similar furnaces in use at Sheppard for sector shafts were inspected. Surface hardness was measured and demonstrated to be as expected from the non-problematic furnaces. The problematic furnace was repaired and will be re-commissioned once the heat treating process is demonstrated to be effective.” Recall Schedule :
Description of Recall Schedule : It is estimated that the Customer and Dealer notification letters will be
mailed by 04/29/2024.
Planned Dealer Notification Date : APR 29, 2024 – APR 29, 2024
Planned Owner Notification Date : APR 29, 2024 – APR 29, 2024
* NR – Not Reported
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