Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal – 2009-2012 Ford Mercury Lincoln

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NHTSA ID Number: 10205008

Manufacturer Communication Number: TSB160043

Summary

6F35 Transmission – Fluid leak at left side halfshaft seal – built on or before 10/14/2013

 


 


FORDeBay:

2009-2014 Escape
2010-2014 Fusion
2012-2014 Edge, Explorer
2013-2014 Taurus

LINCOLNeBay:

2013-2014 MKT, MKZ

MERCURYeBay:

2009-2011 Mariner
2010-2011 Milan

 

This article supersedes TSB 15-0079 to update the Part List.

 

ISSUE:

Some 2009-2014 Escape, 2009-2011 Mariner, 2010-2014 Fusion, 2010-2011 Milan, 2012-2014 Edge/Explorer, and 2013-2014 Taurus/MKT/MKZ vehicles built on or before 10/14/2013 and equipped with a 6F35 automatic transmission may exhibit a fluid leak from the left hand (LH) transmission halfshaft seal due to wear on the transmission case bushing.

 

ACTION:

Follow the Service Procedure steps to correct the condition.

 

SERVICE PROCEDURE

2013-2014 Escape/2010-2014 Fusion/2010-2011 Milan/2012-2014 Edge/Explorer/2013-2014 Taurus/MKT/MKZ

  1. Remove the LH halfshaft. Refer to Workshop Manual (WSM), Section 307-01.
  2. Inspect the halfshaft journal surface finish. (Figure 1)
    halfshaft journal surface finish

    Figure 1 – 16-0043
    1. If the journal does not have any metal transfer from the bushing, the halfshaft can be reused. Use the service kit that contains only the bushing and seal.
    2. If the journal surface finish has metal transfer from the bushing, replace the front halfshaft. Refer to WSM, Section 205-04.
      1. The replacement bushing with the red Teflon coating on the inside diameter of the bushing allows for the reuse of the original halfshaft if the halfshaft journal does not have any metal transfer from the original bushing.
  3. Replace the transmission case bushing. Refer to WSM, Section 307-01.

 

2009-2012 Escape/2009-2011 Mariner

  1. Remove the LH halfshaft. Refer to WSM, Section 307-01.
  2. Inspect the halfshaft journal surface finish. (Figure 1)
    1. If the journal surface does not have any metal transfer from the bushing, the constant velocity (CV) joint can be reused. Use the service kit that contains only the bushing and seal.
    2. If journal surface finish has metal transfer from the bushing, replace the inner CV joint housing. Refer to WSM, Section 205-04.
  3. Replace the transmission case bushing. Refer to WSM, Section 307-01.

 

Obtain Locally
Part NumberPart Description
648 Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal - 2009-2012 Ford Mercury Lincoln | small lightLOCTITE

 

PART NUMBERPART NAME
9L8Z-1177-EBushing and Seal Kit – All Applications
W705967-S440 Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal - 2009-2012 Ford Mercury Lincoln | small lightNut- Axle – 2009-2012 Escape
6E5Z-3B477-AA Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal - 2009-2012 Ford Mercury Lincoln | small lightNut – Axle – 2010-2012 Fusion
W712772-S439 Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal - 2009-2012 Ford Mercury Lincoln | small lightNut – Axle – Edge
W712435-S439 Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal - 2009-2012 Ford Mercury Lincoln | small lightNut – Axle – Taurus/MKT/Explorer
CV6Z-3B477-A Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal - 2009-2012 Ford Mercury Lincoln | small lightNut – Axle – 2013-2014 Escape
CCPZ-3B477-A Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal - 2009-2012 Ford Mercury Lincoln | small lightNut – Axle – 2013-2014 Fusion/MKZ
W500550-S439Bolt – Damper – 2010-2012 Fusion
W302117-S300Nut – Damper – 2010-2012 Fusion
6E5Z-3B477-AA Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal - 2009-2012 Ford Mercury Lincoln | small lightNut – Ball Joint – 2010-2012 Fusion
W709618-S439 Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal - 2009-2012 Ford Mercury Lincoln | small lightBolt – Ball Joint Pinch – 2009-2012 Escape
W520213-S440 Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal - 2009-2012 Ford Mercury Lincoln | small lightNut – Ball Joint Pinch – Edge /2009-2012 Escape
W714681-S439 Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal - 2009-2012 Ford Mercury Lincoln | small lightBolt – Ball Joint Pinch – Edge
W715545-S439Bolt – Ball Joint Pinch – Taurus
W520517-S440Nut – Ball Joint Pinch – Taurus
W714890-S440 Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal - 2009-2012 Ford Mercury Lincoln | small lightNut – Ball Joint – Explorer/MKT
W716075-S442Bolt – Ball Joint Pinch – 2013-2014 Escape
W520214-S443Nut – Ball Joint Pinch – 2013-2014 Escape/Fusion/MKZ
W500545-S439 Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal - 2009-2012 Ford Mercury Lincoln | small lightBolt – Ball Joint – 2013-2014 Fusion/MKZ
7T4Z-4B422-ACirclip – Edge
BB5Z-4B422-BCirclip – Taurus/MKT/MKZ
BB5Z-4B422-ACirclip – Explorer
AE5Z-4B422-A Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal - 2009-2012 Ford Mercury Lincoln | small lightCirclip – 2010-2012 Fusion/ 2013-2014 Escape
BB5Z-4B422-CCirclip – 2013-2014 Fusion
XT-10-QLVC Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal - 2009-2012 Ford Mercury Lincoln | small lightMotorcraft MERCON LV Transmission Fluid
AL8Z-3B414-B Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal - 2009-2012 Ford Mercury Lincoln | small lightCV Joint Kit – 2009-2012 Escape/2009-2011 Mariner
BE5Z-3B414-CHalfshaft Kit – 2010-2012 Fusion 2.5L
BE5Z-3B414-DHalfshaft Kit – 2010-2012 Fusion 3.0L
CT4Z-3A427-A Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal - 2009-2012 Ford Mercury Lincoln | small lightHalfshaft – Edge
DG1Z-3B437-DHalfshaft – Taurus/MKT
BB5Z-3B437-FHalfshaft – Explorer
CV6Z-3B437-A Halfshaft – 2013-2014 Escape 1.6L/2.5L
CV6Z-3B437-BeBayHalfshaft – 2013-2104 Escape 2.0L
DG9Z-3B437-GHalfshaft – 2013-2014 Fusion/MKZ

 


28 Affected Products

Vehicles

MAKEMODELYEAR
FORDeBayEDGE2012-2014
FORDeBayESCAPE2009-2014
FORDeBayEXPLORER2012-2014
FORDeBayFUSION2010-2014
FORDeBayTAURUS2013-2014
LINCOLNeBayMKT2013-2014
LINCOLNeBayMKZ2013-2014
MERCURYeBayMARINER2009-2011
MERCURYeBayMILAN2010-2011

 


1 Associated Document

Manufacturer Communications

TSB 16-0043

MC-10205008-9999.pdf 152.15KB

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Last update on 2025-04-20 / Affiliate links / Images from Amazon Product Advertising API


 

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1 thought on “Transmission Fluid Leak from the Left Hand (LH) Halfshaft Seal – 2009-2012 Ford Mercury Lincoln”

  1. I have the same problem with my Ford Fusion 2013. I have leak on The Left Hand Halfshaft Seal, Bushing. The Bushing is worn out and fine metal came out after we removed the seal. Is this a defect ans is cover by Ford? I went to the Ford parts store to get a Bushing and they don’t have it.

    Reply

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