Safety Recall 21S34 – Battery Cable Wire Harness Inspection – 2020-2021 Lincoln Aviator

July 15, 2021 NHTSA CAMPAIGN NUMBER: 21V534000

Unsecured Wire Harness

Damaged electrical wires may short-circuit, increasing the risk of a fire.

 

NHTSA Campaign Number: 21V534

Manufacturer Ford Motor Company

Components ELECTRICAL SYSTEM, VISIBILITY

Potential Number of Units Affected 33,298

 

Summary

Ford Motor Company (Ford) is recalling certain 2020-2021 Lincoln Aviator vehicles equipped with 3.0L gasoline engines. The wire harness may not be secured properly, possibly contacting the air conditioning (A/C) compressor pulley, and resulting in damage to electrical wires, or the A/C compressor drive belt.

 

Remedy

Dealers will inspect the harness and A/C compressor belt for damage, replacing them as necessary, and install a tie strap to secure the wire harness, free of charge. Owner notification letters were mailed on July 30, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford’s number for this recall is

 

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.

 

Check if your Vehicle has a Recall

 


AFFECTED VEHICLES

Vehicle Model Year Assembly Plant Build Dates
F-350 Pickup Truck 2020 – 2021 Kentucky Truck August 6, 2020 through May 15, 2021

 

REASON FOR THIS PROGRAM

In some of the affected vehicles, the rear axle tube may deform and potentially separate at the spring seat interface. This can potentially cause an axle tube leak, vibration while driving, shuddering upon acceleration, and drive shaft separation. A separated drive shaft can result in a loss of motive power while driving and unintended movement when placed in park if parking brake is not applied, increasing the risk of a crash.

 

SERVICE ACTION

Before demonstration or delivering any new in – stock vehicles involving this recall, dealers are to inspect the rear axle for damage

  • If no damage is found, both spring seats will need to be reinforced with a weld per technical instructions.
  • If damage is found, axle housing replacement is required. Approximately 1% of affected vehicles will require axle housing replacement. Vehicle with rear axle damage cannot be safely driven until the axle housing is replaced.

This service must be performed on all affected vehicles at no charge to the vehicle owner.

 

OWNER NOTIFICATION AND MAILING SCHEDULE

Owner letters were mailed September 3, 2021. Dealers should repair any affected vehicles that arrive at their dealerships, whether or not the customer has received a letter.

 

SOLD VEHICLES

  • Ford has not issued instructions to stop selling/delivering or driving used vehicles under this safety Owners should contact their dealer for an appointment to have their vehicles remedied as soon as practicable. Owners can continue to safely drive their 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

  • This safety recall must still be performed, even if the owner has paid for a previous repair. Claiming a refund will not close the recall on the vehicle.
  • Ford Motor Company is offering a refund for owner-paid repairs covered by this recall if the repair was performed prior to the date indicated in the reimbursement plan, which is posted with this bulletin. Owners are directed to seek reimbursement through authorized dealers or, at their option, directly through Ford Motor Company at P.O. Box 6251, Dearborn, MI 481216251.
  • Refunds will only be provided for the cost associated with rear axle spring seat damage.

 

RENTAL VEHICLES

If axle housing fails inspection the vehicle is not safe to drive. Rentals will only be reimbursed for the day(s) the axle housing parts are not available. Prior approval is required from the SSSC. Contact the SSSC via the SSSC Web Contact Site for consideration and approval if appropriate. Follow Extended Service Plan (ESP) guidelines for dollar amounts. Rentals are approved for personal use only.

 

PARTS REQUIREMENTS

Part Number  Description Inspection Passes – 4 U-bolts 8 nuts 2 shock bolts 2 shock nuts per repair Order Quantity Claim Quantity
W500764-S439 Shock Bolts (4 in pkg, 2 req for repair) 1 2
W520115-S440 Shock Nuts (4 in pkg, 2 req for repair) 1 2
HC3Z-5705-E U Bolts (1 in pkg, 4 req for repair) Tremor 4 4
N620485-S441 U Bolt Nuts (4 in pkg, 8 req for repair) 2 8
BC3Z-5705-H U Bolts (1 in pkg, 4 req for repair) All F250-F350 (4×2) 4 4
BC3Z-5705-D U Bolts (1 in pkg, 4 req for repair) F-250 ONLY 4 4
BC3Z-5705-N U Bolts (1 in pkg, 4 req for repair) F-350 (4×4) 4 4
BC3Z-5705-C Safety Recall 21S34 - Battery Cable Wire Harness Inspection - 2020-2021 Lincoln Aviator » small light U Bolts (1 in pkg, 4 req for repair) F-350 (4×4)

N superseded C both can be used on 4×4 vehicles

4 4

 

 

Equipped with 6.7L Diesel Engine and Single Rear Wheel Axle Spring Seat Weld

Part Number  Description Inspection Fails – Parts below plus 4 Ubolts 8 nuts 2 shock bolts 2 shock nuts per table above. Order Quantity Claim Quantity
F1HZ-4N272-A Pinion Flange Bolts (1in pkg. 4 req for repair) 4 4
E4HZ-4A254-A Safety Recall 21S34 - Battery Cable Wire Harness Inspection - 2020-2021 Lincoln Aviator » small light Pinion Flange Straps (1 in pkg 2 req for repair) 2 2
HC3Z-00812-B Caliper Bolts (4 in pkg 8 req for repair) 2 8
W500634-S439 Sway Bar Bracket Bolts (4 in pkg 4 req for repair) 1 4
HC3Z-00811-A Pinion Nut 1 1
HC3Z-383609-A Pinion Nut Washer 1 1
HC3Z-4676-A Pinion Seal 1 1
HC3Z-00810-A Pinion Deflector 1 1
HC3Z-4662-C Collapsible Spacer 1 1
HC3Z-4561-B Pinion Bearing Cone 1 1
HC3Z-4616-A Tail Bearing Cup 1 1
HC3Z-4630-A Head Bearing Cone 1 1
HC3Z-4628-A Head Bearing Cup 1 1
HC3Z-00813-A Shaft Bolt 1 16
HC3Z-1S175-A Hub Seal 1 1
F81Z-1001-AA Safety Recall 21S34 - Battery Cable Wire Harness Inspection - 2020-2021 Lincoln Aviator » small light Shaft O-ring 1 1
LC3Z-4663-A Pinion Bearing Shim 1 1
HC3Z-4010-H Housing (ELD) Electronic Locking Differential 1 1
HC3Z-4010-G Housing (STD) Standard Housing 1 1

 

 

Part Number  Description Order Quantity Claim Quantity
PM-13 A PM-13-A Anti-Corrosion Coating. Claim as MISC OTHER up to $5.00
Obtain Locally .035” Welding Wire 
XY-75W140-QL Safety Recall 21S34 - Battery Cable Wire Harness Inspection - 2020-2021 Lincoln Aviator » small light Synthetic Rear Axle Lubricant 4 4
TA-29 Safety Recall 21S34 - Battery Cable Wire Harness Inspection - 2020-2021 Lincoln Aviator » small light Ultra-Silicone Sealant – RTV 1 1

 

 


CERTAIN 2020 – 2021 MODEL YEAR F-350 PICKUP TRUCKS  EQUIPPED WITH 6.7L DIESEL ENGINE AND SINGLE REAR WHEEL AXLE — SPRING SEAT WELD

 

SERVICE PROCEDURE

1. Disconnect battery cable to ground. Please follow the Workshop Manual (WSM) procedures in Section 414-01

2. Position the vehicle on a hoist. Please follow the WSM procedures in Section 100-02.

NOTE: This inspection is to be preformed on the Left Hand (LH) and Right Hand (RH) leaf spring seat               brackets.

3. Visually inspect the front of the rear axle housing assembly below the leaf spring seat brackets for damage (dents, creases). See Figure 1.

4. Visually inspect the rear of the leaf seat spring bracket for damage (rips or breaks in the metal or welds) and to see if the leaf spring seat bracket is pulling away from the rear axle housing assembly. See Figure 1.

5. Inspection results. Is there damage present to either the LH or RH rear leaf spring seat brackets?

Yes – Fails visual inspection, the rear axle housing will require replacement. Please follow the WSM procedures in Section 205-02A.

No  – Further inspection is required, proceed to Step 6.

NOTE: The welds on the new rear axle housing assembly may be different than what is on the original rear axle housing assembly and will not require rework.

NOTE: Preform this inspection on the LH and RH rear leaf spring seat brackets.

6. Using a 0.002″ feeler gage measure the gap along the rear of the leaf spring seat bracket to the rear axle housing assembly. Is the gap greater than 0.002″ on either the LH or RH side? See Figure 2.

YES – The rear axle housing will require replacement. Please follow the WSM procedures in Section 205-02A.

NO  – Proceed to the Leaf Spring Seat Bracket Interface Weld Repair Procedure on Page 3.

 

LEAF SPRING SEAT BRACKET INTERFACE WELD REPAIR PROCEDURE

1. Remove the Anti-lock Brake System (ABS) sensor bolt and position the ABS sensor aside. See Figure 3.

  • Torque: 177 lb.in (20 Nm)

2. Disengage the ABS sensor wire harness pushpin retainers and position the ABS sensor wire harness aside. See Figure 3.

3. Disengage the rear axle housing assembly vent hose. Remove the brake line bracket bolt and position the brake line bracket assembly aside. See Figure 4.

  • Torque: 159 lb.in (18 Nm)

4. Remove the brake line bracket bolt and position aside the brake line bracket. See Figure 5.

  • Torque: 159 lb. in (18 N m)

5. Position a safety stand at the front of the vehicle.

6. Using a suitable lifting device support the rear axle housing assembly. See Figure 6.

7. Remove and discard the lower rear shock absorber nuts and bolts. See Figure 7.

  • Torque: 111 lb.ft (150 Nm)

NOTICE: The rear axle must be supported before removing the rear spring U-bolts.

NOTE: The rear spring U-bolts need to be tightened in a cross pattern with the vehicle resting on the wheels and tires (curb height).

8. With the axle assembly supported with a suitable lifting device, remove and discard the rear spring U-bolts and U-bolt nuts and remove the U-bolt mounting plates. See Figure 8.

  • Torque:

Stage 1:  48 lb.ft (65 Nm)

Stage 2:  96 lb.ft (130 Nm)

9. Using a suitable tool, remove paint from BOTH SIDES of the leaf spring seat bracket and the outside of the shock bracket holes. Repeat on the other side. See Figure 9.

10. If needed, blow off the joint with air, or wipe with rag or brush.

11. Verify weld setting recommendations and ground attachments.

  • Axle tube thickness is 4mm.
  • Wire size is 0.035″.
  • Follow the settings provided with the welding machine to be used.

12. Protect surrounding areas and leaf spring seat bracket mounting holes to prevent splatter damage. Apply anti-splatter spray as needed. See Figure 10.

NOTICE: To weld the left side leaf spring bracket, attach the ground to the left side shock bracket. To weld the right side leaf spring bracket, attach the ground to the right side shock bracket. Failure to do so may cause damage to the rear axle internal components.

13. Apply weld to leaf spring seat bracket area. Inspect for weld coverage and spatter. See Figure 11.

NOTE: Fill in existing weld to achieve 360 degree coverage around the leaf spring seat bracket.

14. Remove protective covers. See Figure 10.

15. Clean new welds to allow for proper paint adhesion.

16. Attach masking to prevent paint intrusion into the leaf spring seat bracket mounting holes.

17. Repaint welded area and shock bracket area with PM-13-A Anti-Corrosion Coating.

18. Remove masking.

19. Check for proper paint coverage.

20. Reverse removal steps to reinstall rear axle housing assembly.

NOTE: The following step only applies if U-Bolt # HC3Z-5705-E is used on non-Tremor vehicles.

21. After torquing the U-bolts, measure 13 mm (0.51 in) from the top of the U-bolt nut towards the end of the U-bolt and cut the U-bolt. Make sure to remove any burs, debris or sharp edges from the U-bolt after cutting. See Figure 12.

NOTE: Left Hand (LH) shown, Right Hand (RH) similar.

 


FORD MOTOR COMPANY PROVIDES DETAILS ON THREE SAFETY RECALLS IN NORTH AMERICA

JUL 16, 2021 | DEARBORN, MICH.

DEARBORN, Mich., July 16, 2021 — Ford Motor Company today announced details of three safety recalls in North America.

 

Safety recall for certain 2020-2021 Ford F-350 Super Duty vehicles with 6.7-liter engine and single rear wheel axle for a rear axle housing spring seat interface weld issue
Ford is issuing a safety recall for approximately 34,939 Ford F-350 Super Duty vehicles with 6.7-liter engine and single rear wheel axle for a rear axle housing spring seat interface weld issue.

Affected vehicles may experience rear driveline disconnection. Customers may experience vibration and/or shaking while driving at highway speeds, and/or shuddering upon acceleration. In the event of a disconnected driveshaft, customers may experience loss of motive power while driving or loss of transmission park function if the parking brake is not applied, increasing the risk of a crash.

This action affects 34,855 vehicles in North America, with the remaining balance in Ford’s International Markets Group. Vehicles were built at Kentucky Truck Plant between Aug. 6, 2020 and May 15, 2021.

Ford is not aware of any accidents or injuries related to this condition.

Owner notifications will begin the week of Aug. 16. Dealers will inspect rear axle to determine if deformation is present. If the axle is deformed, the axle housing will be replaced. If axle is not deformed, the dealer will perform a weld repair on the spring seats. The Ford reference number for this recall is 21S31.

 

Safety recall for select 2013-2017 Ford Explorer vehicles that may experience a seized cross-axis ball joint
Ford is issuing a safety recall for approximately 774,696 2013-2017 Ford Explorer vehicles that may experience a seized cross-axis ball joint that may cause a fractured rear suspension toe link. Affected vehicles may experience a clunk noise, unusual handling, or a misaligned rear wheel. Fracture of a rear toe link significantly diminishes steering control, increasing the risk of a crash.

This action affects approximately 676,152 vehicles in North America, 59,935 in China, 25,257 in Ford’s International Markets Group, 13,162 in Europe and 190 in South America. In the U.S., the affected vehicles are located in high-corrosion states as defined by the National Highway Traffic Safety Administration or in regions with a combination of cold winter weather with relative high humidity and substantial road salt use.

Vehicles were built at Chicago Assembly Plant between Sept. 4, 2012 and Sept. 30, 2017, and Elabuga Assembly Plant in Russia between Jan. 28, 2013 and July 28, 2017.

Ford is aware of six allegations of injury related to this condition in North America.

Owner notifications will begin the week of Aug. 23. Dealers will inspect the cross-axis ball joint, replace the cross-axis ball joint/knuckle as necessary, and replace the toe links with a revised design part. The Ford reference number for this recall is 21S32.

Ford is providing a customer satisfaction program for vehicles not sold or registered in corrosion states.

 

Safety recall for select 2020-2021 Lincoln Aviator vehicles equipped with 3.0-liter gas engines for improperly secured battery cable wire harnesses
Ford is issuing a safety recall for approximately 40,995 2020-2021 Lincoln Aviator vehicles equipped with 3.0-liter gas engines because the battery cable wire harness may not be properly secured, allowing contact with the A/C compressor pulley. Over time, the A/C pulley may rub through the wire harness insulation and contact the unfused battery positive (B+) circuit, resulting in a short circuit and potential fire.

This action affects approximately 36,258 vehicles in North America, 2,601 in Ford’s International Markets Group, and 2,136 in China.

Vehicles were built at Chicago Assembly Plant between June 19, 2019 and Jan. 5, 2021.

Ford is not aware of any accidents, injuries or fires related to this concern.

Owner notifications will begin the week of July 30. Dealers will inspect the vehicle, and:

The Ford reference number for this recall is 21S34.

 


 

 


2 Affected Products

Vehicle

MAKE MODEL YEAR
LINCOLN AVIATOR 2020-2021

 


8 Associated Documents

ISSUED Owner Notification Letter(Part 577)

RCONL-21V534-9924.pdf 84.855KB

RCONL-21V534-9924

 


Defect Notice 573 Report

RCLRPT-21V534-7938.PDF 214.143KB

RCLRPT-21V534-7938

 


Recall Acknowledgement

RCAK-21V534-1567.pdf 645.49KB

RCAK-21V534-1567

 


Manufacturer Notices(to Dealers,etc) – Dealer Notification re NEW VEHICLE DEMONSTRATION / DELIVERY HOLD Safety Recall 21S31 Certain 2020 – 2021 Model Year F-350 Pickup Trucks Equipped with 6.7L Diesel Engine and Single Rear Wheel Axle Supplement #4 Spring Seat Weld

RCMN-21V534-6576.pdf 3699.352KB

RCMN-21V534-6576

 


ISSUED Renotification Notice

RCRN-21V534-3354.pdf 378.023KB

RCRN-21V534-3354

 


Recall Quarterly Report #2, 2021-4

RCLQRT-21V534-8906.PDF 211.236KB

RCLQRT-21V534-8906

 


Recall 573 Report

RCLRPT-21V534-4350.PDF 214.354KB

RCLRPT-21V534-4350

 


Recall Quarterly Report #1, 2021-3

RCLQRT-21V534-2600.PDF 211.128KB

RCLQRT-21V534-2600

 


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21V534&docType=RCL

 


 

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