Steering Gear Clatter Noise Over Bumps On Extremely Rough Road Surfaces – 2015-2019 Lincoln MKC

NHTSA ID Number: 10153940

Manufacturer Communication Number: TSB 18-2392

Summary

Some 2015-2019 MKC vehicles may exhibit an electronic power assist steering (EPAS) gear clatter-type noise over bumps that is only present on extremely rough road surfaces. Follow the Service Procedure steps to correct the condition.

 

5 Affected Products

Vehicle

LINCOLNeBay logoMKC2015-2019

 


Model:

LincolneBay logo

2015-2019 MKC

 

Issue: Some 2015-2019 MKC vehicles may exhibit an electronic power assist steering (EPAS) gear clatter-type noise over bumps that is only present on extremely rough road surfaces.

 

Action: Follow the Service Procedure steps to correct the condition.

 

Parts

DescriptionPart NumberQuantity
Steering Gear Assembly (Refer To The Parts Catalog For The VIN Specific Application)35041
Steering Coupling BoltW711137-S442eBay logo1
Stabilizer Bar NutW715135-S440
Ford W715-135S440, Suspension Stabilizer Bar Link Nut
3 Reviews
Ford W715-135S440, Suspension Stabilizer Bar Link Nut
  • Compatible with Parts Included: ONLY PART REFERENCE #6 ON THE DIAGRAM IS INCLUDED, Make: FordeBay logo LincolneBay logo MercuryeBay logo
  • Compatible with Model: EcoSport MustangeBay logo Escape Fiesta MKC Focus Mariner, Sku: -W715135-S440
  • Compatible with Manufacturer Part Number: -W715135-S440, Genuine Oem: Yes
  • Compatible with Universal Fitment: Direct Replacement, FordeBay logo
  • Manufacturer Warranty: 1 Year

Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API


 

1
Tie Rod NutW520203-S442
Ford W520203-S442 - Nut Hex
  • Genuine FordeBay logo part that fits your specific vehicle
  • Outer Steering Tie Rod Nut
  • Part Number: W520203S442
  • Manufactured to meet specifications for fit, form, and function

Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API


 

1
Lower Control/Knuckle NutW520415-S4421
Lower Control/Knuckle BoltW716075-S4421
Subframe Bracket BoltW713199-S4421
Steering Gear BoltsW714807-S9001
Spacer (Contact Technical Support To Order)MW790418-S9001
Motorcraft® Threadlock and SealerTA-25-BeBay logo1

 

Service Procedure

1. Attach Rotunda Wireless Chassis Ears or equivalent. While driving over extremely rough road surfaces, is a clatter-type noise present at the steering gear?

(1). Yes – proceed to Step 2.

(2). No – this article does not apply. Refer to Workshop Manual (WSM), Section 100-04 for normal diagnostics.

2. Was the vehicle built on or before 7-Dec-2015?

(1). Yes – replace the steering gear. Refer to WSM, Section 211-02. Proceed to Step 3.

(2). No – proceed to Step 3.

3. If the noise or clatter concerns in the front suspension are still present, proceed to diagnose according to the Workshop manual Section 204-00 Suspension System – General Information, Diagnostic and Testing. Check the following components in search of possible damage.

(1). Stabilizer Bar

  • Check its condition of the bushings and gaps.

(2). Suspension wishbone ball joints

(3). Electric Steering Rack

  • Check if the electric terminals on the steering rack for cracks in the housing or holes.
  • Check the torque on the steering terminals, if loose, tighten to 90 Nm (67lb-ft) (Figure 1)

Figure 1

Electric Steering Rack

4. Is the noise still present?

(1). NOTE: It is recommended that all noise concerns shall be evaluated with the customer to identify the type of noise and all the information that could help in diagnosing the probable cause.

(2). Yes – proceed to Step 5.

(3). No – repair is complete.

5. Is the noise present when driving straight at 10-50 km/h on rough roads but decrease when the steering wheel is turned?

(1). Yes – a spacer needs to be installed between the EPAS gear and the frame. Proceed to Step 6.

(2). No – this article does not apply. Refer to the WSM for normal diagnostics.

6. Remove the front frame and identify the center bolt which holds the EPAS gear. (Figure 2)

Figure 2

front frame

7. Remove and discard the central bolt which holds the EPAS gear. (Figure 3)

Figure 3

central bolt

8. Using a pry bar, move the steering mechanism upwards to allow the insertion of the spacer between the EPAS gear and the frame. Do not install more than one spacer. (Figure 4)

Figure 4

spacer

9. Install the bolt into the central fixing point in such a way that the spacer can be centered with the EPAS gear and the frame. (Figure 5)

Figure 5

Install the bolt into the central fixing point in such a way that the spacer can be centered

10. Tighten only the central bolt. (Figures 6 – 7)

(1). Step 1: Tighten to 110 Nm 82 (lb-ft)

(2). Step 2: Loosen 360°

(3). Step 3: Tighten to 56 Nm (42 lb-ft)

(4). Step 4: Tighten 180°

Figure 6

Tighten only the central bolt

Figure 7

Tighten only the central bolt

11. To reassemble, reverse the removal procedure.

12. Perform a wheel alignment.

13. Evaluate the vehicle with the spacer installed based on the customers concern with the following steps.

(1). Evaluate for noise while driving in a straight line at 10-50 km/h on an irregular surface, turning the steering wheel right or left.

(2). Return the steering wheel to the 12 o’clock position. Drive in a straight line (preferably on highways) for 10-15 minutes with minimal steering wheel movement.

(3). At the 12 o’clock position of the steering wheel, confirm that there is no unusual effort with small movements side to side while returning the steering wheel to the 12 o’clock position.


 


18-2392
21 December 2018

https://www.nhtsa.gov/recalls?nhtsaId=10153940
https://static.nhtsa.gov/odi/tsbs/2018/MC-10153940-9999.pdf

 


 

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