ALL WHEEL DRIVE – FLUID LEAK FROM REAR DIFFERENTIAL VENT CAP – TEMPERATURES BELOW 0 DEGREES C (32 DEGREES F)

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TSB 14-0057 (supersedes TSB 12-8-12)

ALL WHEEL DRIVE – FLUID LEAK FROM REAR DIFFERENTIAL VENT CAP – TEMPERATURES BELOW 0 DEGREES C (32 DEGREES F)

Publication Date: March 14, 2014

FORD: 2011 Taurus; 2011-2012 Escape, Fusion; 2011-2013 Edge, Flex; 2011-2014 Explorer, Taurus
LINCOLN: 2011-2012 MKZ; 2011-2013 MKT, MKX; 2011-2014 MKS
MERCURY: 2011 Mariner, Milan

This article supersedes TSB 12-8-12 to update the vehicle model years.

ISSUE:

Some 2011 Mariner, Milan, 2011-2014 Taurus, Explorer, MKS, 2011-2013 Edge, MKX, 2011-2012 Fusion, MKZ, 2011-2012 Flex, MKT, 2013 Flex and MKT vehicles equipped with a 3.5L GTDI engine may exhibit an occasional fluid leak coming from the rear differential vent cap in temperatures below 32 degrees Fahrenheit (0 degrees Celsius) under certain conditions.

ACTION:

Follow the Service Procedure steps to correct the condition.

SERVICE PROCEDURE
1.Inspect the rear drive unit for oil leaking from the rear differential vent cap located on the rear cover.
a.If only a light residue is found around the cap, this is normal. This article does not apply.
2.Remove and discard the rear differential vent cap from the rear drive unit cover.
3.Install a new rear differential vent cap.
4.Clean off any remaining residue.

PART NUMBER PART NAME
DB5Z-4022-A Differential Vent Cap

OPERATION DESCRIPTION TIME

140057A 2011 Milan, Mariner, 2011-2012 Escape, MKZ, Fusion, 2011-2014 Taurus, MKS 2011-2013 Edge, MKX: Inspect And Replace The Rear Drive Unit Vent (Do Not Use With Any Other Labor Operations) 0.3 Hr.
140057A 2011-2014 Explorer, 2011-2013 MKT And Flex: Inspect And Replace The Rear Drive Unit Vent (Do Not Use With Any Other Labor Operations) 0.4 Hr.

WARRANTY STATUS

Eligible Under Provisions Of New Vehicle Limited Warranty Coverage.
Warranty/ESP coverage limits/policies/prior approvals are not altered by a TSB. Warranty/ESP coverage limits are determined by the identified causal part and verified using the OASIS part coverage tool.

DEALER CODING

BASIC PART NO. CONDITION CODE
4022 42