22B27 Front Driveshaft Replacement – 2021 Ford Bronco

NHTSA ID Number: 10225538

Manufacturer Communication Number: 22B27

Summary

Certain 2021 Model Year Bronco Vehicles Front Driveshaft Replacement. In the affected vehicles, the front driveshaft constant-velocity (CV) joint boot material is not robust for this application and may fail under normal vehicle usage. A failed CV joint boot may result in a loss of grease and the accumulation of debris in the CV joint, leading to noise and/or vibration while driving.

 


October 12, 2022

Customer Satisfaction Program 22B27
Certain 2021 Model Year Bronco Vehicles
Front Driveshaft Replacement  

 

PROGRAM TERMS 

This program will be in effect through October 12, 2023. There is no mileage limit for this program.

 

AFFECTED VEHICLES

Vehicle Model Year Assembly Plant Build Dates
Bronco2021MichiganSeptember 23, 2020 through September 17, 2021

Affected vehicles are identified in OASIS and FSA VIN Lists.

 

REASON FOR THIS PROGRAM

In the affected vehicles, the front driveshaft constant-velocity (CV) joint boot material is not robust for this application and may fail under normal vehicle usage. A failed CV joint boot may result in a loss of grease and the accumulation of debris in the CV joint, leading to noise and/or vibration while driving.

 

SERVICE ACTION

Dealers are to replace the front driveshaft. 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 October 24, 2022. 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 

Refunds are not approved for this program.

 

RENTAL VEHICLES

Rental vehicles are not approved for this program.

 

PARTS REQUIREMENTS

Part Number  Description Order Quantity
MB3Z-4A376-UFront Driveshaft (Please refer to the Ford Parts Catalog for correct driveshaft ordering)As Needed
MB3Z-4A376-VFront Driveshaft (Please refer to the FordeBay logo Parts Catalog for correct driveshaft ordering)As Needed
MB3Z-4A376-WFront Driveshaft (Please refer to the Ford Parts Catalog for correct driveshaft ordering)As Needed
MB3Z-4A376-XFront Driveshaft (Please refer to the Ford Parts Catalog for correct driveshaft ordering)As Needed
MB3Z-4A376-YFront Driveshaft (Please refer to the Ford Parts Catalog for correct driveshaft ordering)As Needed
W721449-S439eBay logoFront Stabilizer Bar Bracket Bolts (4 in Pkg, 2 Needed Per Repair)1 Pkg
W520214-S440
Ford W520-214S440, Suspension Stabilizer Bar Link Nut
  • Genuine Ford part that fits your specific vehicle
  • Suspension Stabilizer Bar Bracket Nut
  • Part Number: W520214S440
  • Manufactured to meet specifications for fit, form, and function
Front Stabilizer Bar Bracket Nuts (2 in Pkg, 2 Needed Per Repair)1 Pkg
W721041-S439eBay logoFront Stabilizer Bar Bracket Studs (4 in Pkg, 2 Needed Per Repair)1 Pkg
W717376-S439-BFront Stabilizer Bar Disconnect Shield Bolts

– Only used on vehicles equipped with an electronic front stabilizer disconnect (4 in Pkg, Up to 4 Needed Per Repair)

Up to 1 Pkg

 


CERTAIN 2021 MODEL YEAR BRONCO VEHICLES – FRONT DRIVESHAFT REPLACEMENT

SERVICE PROCEDURE

1. With the vehicle in NEUTRAL, position it on a hoist. Please follow Workshop Manual (WSM) procedures in Section 100-02.

2. Is the vehicle equipped with a Front Stabilizer Bar Disconnect?

Yes – Proceed to step 3.

No – Proceed to step 5.

3. Remove and discard the bolts and remove the stabilizer bar undershield. See Figure 1.

  • Torque: 22 lb.ft (30 Nm)

 

4. Disconnect the stabilizer bar disconnect assembly electrical connectors. See Figure 2.

NOTE:  Position aside any loose wires or connectors to prevent any possible damage.

 

5. Using a jack stand, support the stabilizer bar. See Figure 3.

NOTE:  For vehicles equipped with a front stabilizer bar disconnect, make sure the jack stand does not make contact with any pressure lines or connectors or damage may occur.

 

6. On both sides, remove and discard the front stabilizer bar bracket nut and bolt. See Figure 4 for vehicles equipped with a sway bar disconnect and Figure 5 for vehicles not equipped.

  • Torque: 66 lb.ft (90 Nm)

NOTICE: Take extra care when handling the components.

NOTE:  Note the position of each component before removal.

NOTE:  Make sure that the stabilizer bar arms do not rotate.

 

7. While continuing to use the jack stand for support, allow the stabilizer bar to swing downward.

 

8. On both sides, remove and discard the front stabilizer bar bracket mounting stud and inspect and thoroughly clean both sides of the frame bracket mounting surfaces. See Figure 7.

  • Torque: 177 lb.in (20 Nm)

 

9. Remove and discard the CV joint-to-transfer case flange cup bolts and retaining straps. See Figure 8.

  • Torque:

Stage 1:  21 lb.ft (28 Nm)

Stage 2:  120°

NOTE:  Make sure that new bolts are installed.

 

10. Remove and discard the CV joint-to-the pinion flange bolts and retaining straps. See Figure 9.

  • Torque:

Stage 1:  21 lb.ft (28 Nm)

Stage 2:  120°

NOTE:  Make sure that new bolts are installed.

11. Remove the front driveshaft. See Figure 10.

 

12.  Install the new front driveshaft by reversing steps 1 through 11 as required.

NOTE:  When installing the new front driveshaft, make sure the alignment dots on both the flange and the driveshaft line up or driveshaft vibrations post repair may occur. See Figure 11.

 


1 Affected Product

Vehicle

MAKEMODELYEAR
FORDBRONCO2021

 


1 Associated Document

Manufacturer Communications

October 12, 2022
Customer Satisfaction Program 22B27

MC-10225538-0001.pdf 2851.357KB

 


 

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A-Premium Rear Drive Shaft Driveshaft Assembly Compatible with Ford Lincoln
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  • [Direct Replacement]: Engineered for smooth, consistent power delivery to enhance driving performance and ride comfort. Constructed from high-strength, reliable materials for long-lasting durability. Precision-designed for easy, hassle-free installation and exact fit
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  • 【Warranty & Important Fitment Note】We provide a one-year unlimited-mileage warranty. Before purchasing, please use our “Vehicle Fit Check” tool by entering your vehicle’s year, make, model, and drivetrain (AWD required). Confirm your original driveshaft length (80.5″) and flange type. Professional installation recommended – torque all fasteners to factory specifications.
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