22E080 – Steering Arm May Fracture – Dexter Axle Smart-Steer 2.0 Self-Steering Axles

September 21, 2022 NHTSA CAMPAIGN NUMBER: 22E080000

Steering Arm May Fracture

The fractured steering arm and tie rod can separate and fall to the ground, increasing the risk of a crash.

 

NHTSA Campaign Number: 22E080

Manufacturer Dexter Axle Company

Components STEERING

Potential Number of Units Affected 56

 

Summary

Dexter Axle Company (Dexter Axle) is recalling certain Smart-Steer 2.0 self-steering axles. The steering arm may fracture during certain conditions, such as low speed and high side-loading.

 

Remedy

Dealers will install a new steering arm and additional welds, free of charge. The manufacturer has not yet provided a schedule for recall notification. Owners may contact Dexter Axle’s customer service at 1-574-295-7888.

 

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.

 


SERVICE BULLETIN # SB015

 

Date: September 21, 2022

 

SUBJECT: SMART-STEER 2.0 Axle with 702887 Steer Arm

Based on feedback from our customers and recent analysis, Dexter Heavy Duty has identified an ongoing issue with the 702887 steer arm configuration on the Smart-Steer 2.0 self-steer axles. Under certain repeated heavy loading conditions, the steer arm has the potential to fail.

 

SMART-STEER 2.0 AXLE WITH 702887 STEER ARM

 

Upon receiving this service bulletin Dexter recommends making immediate arrangements with a Dexter authorized service facility to replace the steer arms on your self-steer axle(s).

 

Service work will include the following steps:

  1. Remove the existing steer arms and mounting hardware.
  2. Clean mounting surface and surrounding surfaces to prepare for mounting of the new bolt-on steer arm and additional welds.
  3. Grind a 3/16” chamfer along the mounting face edge (see page three for location & detail).
  4. Mount new design steer arms (Part # 703293-LH/RH) with supplied hardware and torque to 400 ft-lbs.
  5. Add welds as shown on page three of this bulletin.

 

A reference table of impacted models is on page two of this service bulletin.

Please contact your Dexter Heavy Duty Field Service Technicians Rudy Wosing or Phil Schnurr at (226) 242-5291 if you have additional questions or need further clarification.

 

We appreciate your understanding during this time.

Neil Haslam

Engineering Manager – Dexter HD

 

Affected Smart-Steer 2.0 Axle Models with 702887 Steer Arm 

750001 751869-1 752643
750020 751869T-2 752722T
750022 751892 752743
750022-1 751908 752751
750023 751908-T 752751T
750029 752177 761438
750030 752178 762180
750033 752180 770001T
750037 752180-1 771355
750048 752180T 771438
750052 752180T-2 771438-2
750063 752191 771776
751355 752212 771776T
751438 752212-2 771778
751438-2 752252-1 771869
751438T-2 752267 771869T
751638-2 752267-1 772177E
751667-1 752267T 772177T
751684 752267T-1 772178T
751776 752271 772180
751778 752290T 772191
751824 752381 772252T-1
751869 752474-1

The model number can be found in the ordering variant description.

 

VARIANT # VARIANT DESCRIPTION
TEST123-DXT123456 ISS-SSA751908-NPA-CCRD-22.5H

Replacement steer arm kit for these models is 703294-01 and contains:

 

ITEM NUMBER QUANTITY PART NUMBER Description
1 1 703293-LH B/O steer arm LH
2 1 703293-RH B/O steer arm RH
3 4 703100 BOLT 3/4-16UNF 3.25″lg GR8 Yellow Zinc (VMI)
4 4 701810 WASHER FLAT .75″ MC2 GR8 (VMI)
Not Shown 1 0150425 LOCTITE®, BLUE 242, 0.5ml

 


Chronology :

After reviewing recent claims with a key customer, a service bulletin was requested to address the customer issues. Upon further investigations and reviews, Dexter Canada conducted an analysis of the failure mode and determined the material was not robust enough to withstand the higher loading events which may occur in this configuration. Re-design activities were initiated to define a steer arm design that will withstand the unique, higher load events based on collected road load data.

 


1 Affected Product

Equipment

BRAND PART NO. PRODUCTION DATES
INGERSOLL SMART-STEER

 


3 Associated Documents

Remedy Instructions and TSB

RCRIT-22E080-9533.pdf 851.863KB

RCRIT-22E080-9533

 


Defect Notice 573 Report

RCLRPT-22E080-4855.PDF 242.444KB

RCLRPT-22E080-4855

 


Recall Acknowledgement

RCAK-22E080-2409.pdf 647.139KB

RCAK-22E080-2409

 


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=22E080&docType=RCL

 


 

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