22B34 – Rear Axle Half-Shaft and Hub Assembly Replacement – 2021-2022 Ford F-150

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NHTSA ID Number: 10240426

Manufacturer Communication Number: 22B34 S1

Summary

Certain 2021-2022 Model Year F-150 Vehicles Equipped with 9.75 HD Axle -Float Axle

Rear Axle Half-Shaft and Hub Assembly Replacement

REASON FOR THIS SUPPLEMENT

Technical Instructions: Dealers are to follow the updated inspection procedure found in Technical Information S1 before replacing the axle shaft

Mobile Repair and Pick-Up and Delivery information

Labor Allowances information

Part Ordering Information

Owner Letter mailing schedule

 


July 7, 2023

Customer Satisfaction Program 22B34 – Supplement #1
Certain 2021-2022 Model Year F-150 Vehicles Equipped with 9.75” HD Axle – ¾ Float Axle
Rear Axle Half-Shaft and Hub Assembly Replacement

 

REASON FOR THIS SUPPLEMENT

  • Technical Instructions: Dealers are to follow the updated inspection procedure found in Technical Information – S1 before replacing the axle shaft
  • Mobile Repair and Pick-Up and Delivery information
  • Labor Allowances information
  • Part Ordering Information
  • Owner Letter mailing schedule

 

PROGRAM TERMS 

This program will be in effect through February 28, 2024. There is no mileage limit for this program.

 

AFFECTED VEHICLES

Vehicle Model Year Assembly Plant Build Dates
F-150 2021 Dearborn May 1, 2021 through September 30, 2021
F-150 2021 Kansas City June 15, 2021through September 30, 2021
F-150 2022 Dearborn September 16, 2021 through September 16, 2021

US population of affected vehicles: 17,549. Affected vehicles are identified in OASIS and FSA VIN Lists.

 

REASON FOR THIS PROGRAM

In some of the affected vehicles, the wheel end hub bolt may become loose or break and make a rattle noise. This is often discovered by technicians during routine maintenance such as oil changes and tire rotations when a rattle is found coming from the wheel cap. If the wheel end hub bolt breaks, the wheel hub will remain attached and will not separate from the rear axle shaft.

 

SERVICE ACTION

Dealers are to review the vehicles warranty history for all claims and check if the warranty claims contain the latest level parts (ML3Z-4234-E/H (RHS) and/or ML3Z-4234-F/J (LHS)). If one or both sides do not contain the latest part number, dealers are to replace the appropriate axle(s) that does not contain the latest level parts. This service must be performed on all affected vehicles at no charge to the vehicle owner.

 

OWNER NOTIFICATION AND MAILING SCHEDULE

Owner letters are expected to be mailed the week of July 24, 2023. Dealers should repair any affected vehicles that arrive at their dealerships, whether or not the customer has received a letter.

 

SOLD VEHICLES

  • Owners of affected vehicles will be directed to dealers for repairs.
  • Immediately contact any of your affected customers whose vehicles are not on your VIN list but are identified in OASIS. Give the customer a copy of the Owner Notification Letter (when available) and schedule a service date.
  • Correct other affected vehicles identified in OASIS which are brought to your dealership.
  • Dealers are to prioritize repairs of customer vehicles over repairs of new and used vehicle inventory.

 

STOCK VEHICLES

  • Correct all affected units in your new vehicle inventory before delivery.
  • Use OASIS to identify any affected vehicles in your used vehicle inventory.

 

TITLE BRANDED / SALVAGED VEHICLES

Affected title branded and salvaged vehicles are eligible for this service action.

 

OWNER REFUNDS

  • Ford Motor Company is offering a refund for owner-paid repairs covered by this program if the repair was performed before the date of the Owner Notification Letter. This refund offer expires December 31, 2023.
  • Dealers are also pre-approved to refund owner-paid emergency repairs that were performed away from an authorized servicing dealer after the date of the Owner Notification Letter. Noncovered repairs, or those judged by Ford to be excessive, will not be reimbursed.
  • Refunds will only be provided for the cost associated with loose or separated wheel end hub bolts.

 

RENTAL VEHICLES

  • Parts are NOT available:
    • Rear Axle Shaft is on back-order.
    • PARTS ESCALATION PROCESS (Vehicle Off Road) process has been followed and COPIS ticket with VOR flagged has been submitted.
    • Prior approval is required from the SSSC, submit contact type long-term rental for consideration and approval if appropriate.
  • A ten-digit prior-approval code is required from the SSSC for rental vehicles, a new approval code is required from SSSC every 30 days.
  • Follow Extended Service Plan (ESP) guidelines for dollar amounts. Prior approval is required from the SSSC.

 

PICK-UP AND DELIVERY- Participating Dealers

Dealers participating in the Remote Experience Program:

  • Refer to EFC12071, 2023 Remote Experience Program, Pickup & Delivery (PDL) Offset section for additional details.

 

PARTS REQUIREMENTS

Part Number  Description – If one or both sides do not have the latest part number, order and replace as required Order Quantity
ML3Z-4234-E RH Rear Axle Shaft Assy As required
ML3Z-4234-F LH Rear Axle Shaft Assy As required
W718680-S439 Caliper Anchor Bolts (2 required each side (4 per repair)/4 per pkg) As required

 

Order the parts below through normal order processing channels:

Part Number  Description Order Quantity
XY-75W85-QL 22B34 - Rear Axle Half-Shaft and Hub Assembly Replacement - 2021-2022 Ford F-150 | small light Motorcraft Rear Axle Fluid (4 oz per repair/32 oz container) 1

 


CERTAIN 2021-2022 MODEL YEAR F-150 VEHICLES EQUIPPED WITH 9.75″ HD

AXLE – 3/4 FLOAT AXLEREAR AXLE HALF-SHAFT AND HUB ASSEMBLY REPLACEMENT

INSPECTION PROCEDURE (Can be performed by a Service Advisor)

1. Identify the vehicle on PTS.

2. Scroll down to the middle of the page and select Click Here for Full Warranty History.

3. Review the vehicle’s warranty history for all claims.

4. For each claim, click on Details.

5. Review Parts Details. See Figure 1.

6. Does the parts list in any of the on-line warranty claims contain the latest level parts ML3Z-4234-E/H (right hand side) and/or ML3Z-4234-F/J (left hand side)?

NOTE: Do not replace if the part number matches the latest part numbers above.

No – One or both sides do not contain the latest part number listed above. Replace the appropriate axle(s) that does not match. Proceed to Service Procedure on Page 2.

Yes – Both sides have the latest level part, no additional action is required. The recall may be closed if both the right and left hand sides were previously replaced.

 

SERVICE PROCEDURE

1. Replace the axle shaft on one or both sides per the Inspection Procedure instructions. Follow the     Workshop Manual (WSM) Procedures in Section 205-02B.

NOTE: The Anchor Plate bolt is a M18, torque each bolt to 258 lb ft (350 Nm).

 


Mobile Service Repair Assessment

Assessment levels have been identified to help determine the ease of performing eligible mobile service repairs for a Field Service Action (FSA) outside of the dealership service facility.

 

Dealer Bulletin

Within Attachment I of the dealer bulletin a mobile service repair assessment level(s) will be provided. These assessment levels have been determined using the amount of time, equipment and labor identified to perform the intended service action.

 

Assessment Levels

  • Mobile Reprogramming
  • Light Mobile Service
  • Enhanced Mobile Service
  • Advanced Mobile Service
  • Wheel and Tire Mobile Service
  • Not a Mobile Service Repair

 

Description of each level that is used to determine the overall assessment.

– Mobile Reprogramming

  • Module Programming or similar type services
  • Minimum tools maybe required other than an IDS/FDRS setup
  • FDRS programming that requires internet connection (wi-fi or mobile hotspot)
  • Make sure vehicle has a charge port to ensure battery voltage is maintained during flashing of the module(s)
  • Repairs not greater than 1 hour in length (including time to wait for programming) Note: The location will need a charging station or wall box to maintain the 12-volt battery.

 

– Light Mobile Service

  • Interior repair procedures that do not require seat, dash, or headliner removal
  • Under hood repairs that do not require large component removal
  • Exterior repairs that do not require large component/panel removal
  • Repairs may require standard hand tools (Access to a Technician starter kit or similar) Attachment IV

 

– Enhanced Mobile Service

  • A two-person process is required anytime a procedure requires work under the vehicle
  • Brake Inspection and Brake Repair/Replacement
  • Limited Suspension Component replacement (no alignment)
  • Under Vehicle access for limited repairs (no large component removal)
  • Vehicle Check Up – VCU
  • Pre-Delivery Inspection – PDI
  • Used Car Inspection/Presale Inspection
  • May require floor jack, jack stands, and impact tools Note: Wheel lock may be required.

 

– Advanced Mobile Service

  • Fluid Exchange/Oil Change
  • Light Repairs
  • Brake Hydraulic Repairs

 

Wheel and Tire Mobile Service

Note: Specialized Mobile Service unit and equipment including Tire balancer and Tire Changer required.

 

– Not a Mobile Service Repair

  • Large component removal
  • BEV Battery Replacement
  • Requires a vehicle hoist – to complete the repair (more than inspection)
  • Required vehicle alignment
  • Requires significant vehicle disassembly
  • Repairs greater than 2-3 hours
  • Any repairs that require M-Time
  • Includes a service procedure where the vehicle owner may be distressed about the state of their vehicle

 


2 Affected Products

Vehicle

MAKE MODEL YEAR
FORD F-150 2021-2022

 


1 Associated Document

Manufacturer Communications

July 7, 2023
Customer Satisfaction Program 22B34 – Supplement #1

https://www.nhtsa.gov/recalls?nhtsaId=10240426

MC-10240426-0001.pdf 542.988KB

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NHTSA ID Number: 10232569

Manufacturer Communication Number: 22B34

Summary

Certain 2021-2022 Model Year F-150 Vehicles Equipped with 9.75 HD Axle ¾ Float Axle Rear Axle Half-Shaft and Hub Assembly Replacement

 

1 Associated Document

Manufacturer Communications

February 14, 2023
Customer Satisfaction Program 22B34

https://www.nhtsa.gov/recalls?nhtsaId=10232569

MC-10232569-0001.pdf 559.559KB

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