2.0L EcoBoost – Rattle Noise At The Transmission Bellhousing Area – 2015-2020 Ford Fusion & Lincoln MKZ

NHTSA ID Number: 10202708

Manufacturer Communication Number: TSB 21-2347

 

Summary

Some 2015-2020 Fusion/MKZ vehicles equipped with a 2.0L EcoBoost engine may exhibit a rattle noise from the transmission bellhousing area. This may be more noticeable at idle. This may be due to a flexplate crack around the mounting area. To correct the condition, follow the Service Procedure steps to replace the flexplate, transmission fluid pump, and torque converter.

 


2020 Ford Fusion Hybrid
2020 Ford Fusion Hybrid

 


Model:

FordeBay logo

2015-2020 Fusion
Engine: 2.0L EcoBoost

LincolneBay logo

2015-2020 MKZ
Engine: 2.0L EcoBoost

 

Issue: Some 2015-2020 Fusion/MKZ vehicles equipped with a 2.0L EcoBoost engine may exhibit a rattle noise from the transmission bellhousing area. This may be more noticeable at idle. This may be due to a flexplate crack around the mounting area. To correct the condition, follow the Service Procedure steps to replace the flexplate, transmission fluid pump, and torque converter.

 

Action: Follow the Service Procedure steps to correct the condition on vehicles that meet all of the following criteria:

 

NOTE: Part quantity refers to the number of that service part number required, which may be different than the number of individual pieces. Service part numbers contain 1 piece unless otherwise stated. “As Needed” indicates the part is required but the number may vary or is not a whole number; parts can be billed out as non-whole numbers, including less than 1. “If Needed” indicates the part is not mandatory.

 

Parts

Service Part NumberQuantityDescription
1S7Z-6375-D1Flexplate
1L5Z-6379-AA
Ford Compatible with Genuine Compatible Flywheel Bolt 1L5Z-6379-AA
  • Genuine FordeBay logo part that fits your specific vehicle
  • Transmission Flexplate Bolt
  • Part Number: 1L5Z6379AA
  • Manufactured to meet specifications for fit, form, and function

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


 

2Flexplate BoltsPackage Contains 4 Pieces, 6 Pieces Required
W712961-S450B1Steering Column Shaft Coupler Bolt (Fusion Built On 04-Apr-2016 And Through 31-Jul-2020)
W714878-S4391Steering Column Shaft Coupler Bolt (Fusion Built On Or Before 04-Apr-2016, All MKZ)Package Contains 4 Pieces, 1 Piece Required
W520215-S440
Ford W520-215S440, Suspension Stabilizer Bar Link Nut

Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API


 

1Tie Rod End NutsPackage Contains 4 Pieces, 2 Pieces Required
W705606-S440
Ford W705-606S440, Suspension Stabilizer Bar Link Nut
  • Compatible with Parts Included: ONLY PART REFERENCE #4 ON THE DIAGRAM IS INCLUDED, Make: FordeBay logo LincolneBay logo MercuryeBay logo
  • Compatible with Product Name: Genuine FordeBay logo Stabilizer Link Nut -W705606-S440, Sku: -W705606-S440
  • Compatible with Manufacturer Part Number: -W705606-S440, Genuine Oem: Yes
  • Compatible with Fitment Type: Direct Replacement, FordeBay logo
  • Manufacturer Warranty: 1 Year

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API


 

1Stabilizer Bar Link Lower NutsPackage Contains 2 Pieces, 2 Pieces Required
W500545-S439

Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API


 

1Ball Joint Pinch BoltPackage Contains 4 Pieces, 2 Pieces Required
W520214-S442

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API


 

2Ball Joint Pinch Bolt NutsPackage Contains 1 Piece, 2 Pieces Required
W520214-S440
Ford W520-214S440, Suspension Stabilizer Bar Link Nut

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API


 

1Ball Joint Pinch Bolt Nuts (MKZ)Package Contains 2 Pieces, 2 Pieces Required
W716457-S4391Rearward And Forward Front Subframe BoltsPackage Contains 4 Pieces, 4 Pieces Required
4S4Z-3N324-AA
Ford Retainer - Bear
1 Reviews
Ford Retainer - Bear
  • Geniune OEM part

Last update on 2026-06-19 / Affiliate links / Images from Amazon Product Advertising API


 

1Halfshaft Bracket
W520102-S4421Halfshaft Bracket NutsPackage Contains 4 Pieces, 2 Pieces Required
BE8Z-6731-AB
Ford Genuine Parts BE8Z-6731-AB Oil Filter
  • Package Dimensions: 8.128 cms (L) x 8.128 cms (W) x 8.128 cms (H)
  • Product Type: Oil Filter
  • Package Quantity: 1
  • Country Of Origin: United States

Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API


 

1Engine Oil Filter
1S7Z-6840-AA
Sale
Ford 1S7Z-6840-AA - GASKET
  • Country/Region Of Manufacture: United States, Other Part Number: 1S7Z6840AA, Modified Item: No
  • Manufacturer Part Number: 1S7Z-6840-AA, Non-Domestic Product: No, Part Brand: Compatible with FordeBay logo
  • Returns Accepted: Returns Accepted, Bundle Description: No, Warranty: 1 Year
  • Fitment Type: Direct Replacement, Certifications: OE, Type: GASKET

Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API


 

1Oil Filter Adapter Gasket (Built On Or Before 04-Apr-2016)
W715618-S437eBay logo1Torque Converter NutsPackage Contains 4 Pieces, 4 Pieces Required
9L8Z-7A103-J1Transmission Fluid Pump
DG9Z-7902-G1Torque Converter
BB5Z-4B422-C1Left Halfshaft Circlip
9L8Z-1177-G1Left Halfshaft Seal
BB5Z-1S177-C
Right Automatic Transmission Output Shaft Seal,Pinion Seal fits Ford Edge,Escape,Fusion,Transit Connect,EcoSport 2012-2018 Replacement BB5Z-1S177-A, BB5P-1177-DA, BB5P-1177-EA 1 Piece
  • Vehicle Compatibility: Automatic Transmission Output Shaft Seal, transmission output shaft seal fits FordeBay logo EcoSport 2018 fits FordeBay logo Edge 2013-2018 fits Escape 2012-2015 fits Fusion 2012-2018 fits Police Interceptor Utility 2016-2018 fits Special Service Police Sedan 2015 fits Transit Connect 2014-2018 fits LincolneBay logo MKC 2015-2018 fits LincolneBay logo MKT 2016 fits MKZ 2012-2018
  • Manufactured to strict standards: With testing conducted to the highest output shaft seal OE standards, we've improved upon traditional design weaknesses to deliver unmatched vehicle fitment and product durability.
  • Part-Number: oil seal B37316,BB5P-1177-DA,BB5P-1177-EA,BB5Z-1S177-A,BB5Z-1S177-C
  • Easy To Install: Engineered with simplicity in mind, our products transmission sealer cater to DIY aficionados and professionals alike, ensuring straightforward installation. Should you require assistance, our team is committed to providing a trouble-free installation journey.
  • Install Location: Right

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API


 

1Right Halfshaft Seal (FWD)
9L8Z-7A248-B4Clutch Feed Seals (Small)Package Contains 1 Piece, 4 Pieces Required
9L8Z-7A248-C

No products found.

1Clutch Feed Seal (Large)
BB5Z-7A098-E1Transmission Fluid Filter
W712146-S4371Cooler Line BoltPackage Contains 4 Pieces, 1 Piece Required
W716200-S4371Cooler Line Bolt StudPackage Contains 4 Pieces, 1 Piece Required
CCPZ-3B477-B
Ford Retainer
  • Geniune OEM part

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API


 

1Right Halfshaft Nut
CCPZ-3B477-C1Right Halfshaft Nut (MKZ)
DG9Z-7G273-B1Right Halfshaft Washer
W717071-S4501Transmission Support Insulator Studs (MKZ)Package Contains 4 Pieces, 4 Pieces Required
XO-5W30-Q1SPeBay logoAs NeededMotorcraft® SAE 5W-30 Synthetic Blend Motor Oil (All Markets Except Canada)
CXO-5W30-LSP6eBay logoAs NeededMotorcraft® SAE 5W-30 Super Premium Motor Oil (Canada Only)
XT-10-QLV
Ford Genuine Ford Fluid XT-10-QLVC MERCON-LV Automatic Transmission Fluid - 1 Quart

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API


 

As NeededMotorcraft® MERCON® LV Automatic Transmission Fluid (All Markets Except Canada)
CXT-10-LV6eBay logoAs NeededMotorcraft® MERCON® LV Automatic Transmission Fluid (Canada Only)
XL-5-A
Motorcraft XL5# Grease - Long Life Lubricating ()
5 Reviews
Motorcraft XL5# Grease - Long Life Lubricating ()
  • Motorcraft #XL5 GREASE - LONG LIFE LUBRICATING (XL5) Part Number XL5

Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API


 

As NeededMotorcraft® Multi-Purpose Grease Spray
TA-25-BeBay logoAs NeededMotorcraft® Threadlock and Sealer
XL-2
Genuine Ford Accessories (XL-2) High Temperature Nickel Anti-Seize Lubricant - 8 oz.
  • High Quality Auto Part
  • Prevents seizing and galling of metal parts
  • Guards against rust and corrosion caused by chemicals and weathering
  • For use when replacing oxygen sensors
  • Use according to owner guide recommendations

Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API


 

As NeededMotorcraft® High Temperature Nickel Anti-Seize Lubricant
TA-29
Ford Genuine Ford Fluid TA-29 Ultra Silicone Sealant - 2.4 oz.

Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API


 

As NeededMotorcraft® Ultra Silicone Sealant
Vehicles Equipped With AWD
5F9Z-4682-AA
Sale
Ford 5F9Z-4682-AA - Bolt
  • Genuine FordeBay logo part that fits your specific vehicle
  • Drive Shaft Bolt
  • Part Number: 5F9Z4682AA
  • Manufactured to meet specifications for fit, form, and function

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


 

1Driveshaft to PTU BoltsPackage Contains 1 Piece, 3 Pieces Required
W520103-S442eBay logo1Tailpipe NutsPackage Contains 4 Pieces, 2 Pieces Required
CV6Z-9450-E

Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API


 

1Tailpipe Gasket
W714265-S442eBay logo1Catalytic Converter-To-Turbocharger Nuts (Built On 5-Apr-2016 And Through 31-Jul-2020)Package Contains 4 Pieces, 2 Pieces Required
EJ7Z-6L612-A1Catalytic Converter-To-Turbocharger Gasket (Built On 5-Apr-2016 And Through 31-Jul-2020)
W718250-S4391Upper And Lower PTU Bolts (Built On 9-Jun-2015 And Through 31-Jul-2020)Package Contains 5 Pieces, 5 Pieces Required
W500635-S439eBay logo5Upper And Lower PTU Bolts (Built On 13-Aug-2012 And Through 8-Jun-2015)Package Contains 1 Piece, 5 Pieces Required
9L8Z-1177-C1Right Halfshaft Seal (4WD)
CV6Z-7086-B1PTU Compression Seal
CV6Z-5A231-C1Catalytic Converter-To-Turbocharger Clamp (Built On 13-Aug-2012 And Through 04-Apr-2016)
BB5Z-6L612-A1Catalytic Converter-To-Turbocharger Gasket (Built On 13-Aug-2012 And Through 04-Apr-2016)
Parts To Inspect And Replace Only If Necessary
FB5Z-6840-AIf NeededOil Filter Adapter Gasket (Built On 04-Apr-2016 And Through 31-Jul-2020)

 

Service Procedure

1. Remove the transmission and inspect the engine block mounting face for the presence of the dowel pins. If the dowel pins are not present in the engine block, inspect the transmission. If the dowel pins are present in the transmission, remove the dowel pins and reinstall into the engine block prior to transmission installation. Refer to Workshop Manual (WSM), Section 307-01A.

2. Remove and replace the flexplate. Refer to WSM, Section 303-01B.

3. Remove and discard the torque converter.

4. Remove the torque converter housing from the transmission case. Refer to WSM, Section 307-01A. Steps 6 through 40 are not required.

5. Remove the pump-to-torque converter housing bolts. Remove and discard the pump assembly and fluid filter. Refer to WSM, Section 307-01A.

6. Replace the pump assembly and the fluid filter. Refer to WSM, Section 307-01A.

7. Remove and discard the clutch feed seals. Install the 5 new clutch feed seals. Refer to WSM, Section 307-01A.

8. Reassemble the transmission. Refer to WSM, Section 307-01A.

9. Install the new torque converter. Refer to WSM, Section 307-01A.

10. Apply Motorcraft® Multi-Purpose Grease Spray to the torque converter pilot hub prior to transmission installation.

11. Install the transmission. Refer to WSM, Section 307-01A.

 


30 Affected Products

Vehicles

MAKEMODELYEAR
FORDeBay logoFUSION2015-2020
FORDeBay logoFUSION ENERGI2015-2020
FORDFUSION HYBRID2015-2020
LINCOLNeBay logoMKZ2015-2020
LINCOLNeBay logoMKZ HYBRID2015-2020

 


1 Associated Document

Manufacturer Communications

21-2347
12 October 2021

https://www.nhtsa.gov/recalls?nhtsaId=10202708

MC-10202708-0001.pdf 88.183KB

 


 

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