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TSB 09-4-4

03/09/09

PTU VENT BOLT LEAK - MISDIAGNOSED AS PTU
SHAFT SEAL LEAK

FORD:
2005-2009 Escape Hybrid, Escape

MERCURY:
2005-2009 Mariner
2006-2009 Mariner Hybrid

ISSUE
Some 2005-2009 Escape, Mariner, Escape Hybrid and 2006-2009 Mariner Hybrid vehicles may exhibit a leak from the power transfer unit (PTU) vent tube bolt. This may be misdiagnosed as a PTU link shaft seal leak. Please verify leak origin and tighten PTU vent tube bolt, before replacing parts.

ACTION
Follow the Service Procedure steps to correct the condition.

SERVICE PROCEDURE
  1. Remove the PTU fill plug and check fluid level per Workshop Manual (WSM), Section 308-07B.

    NOTE
    THE FLUID LEVEL MUST BE EVEN WITH THE BOTTOM OF THE FILLER HOLE WITH THE VEHICLE ON FLAT, LEVEL GROUND.

    [/*]
  2. Inspect PTU vent tube bolt for leak. (Figure 1)
    • If PTU vent tube bolt leaking - clean bolt contact sur[aces and torque bolt to 120 +/- 19 lb-in (13.5 +/- 2.1 N.m).[/*]
    • If PTU vent tube bolt not leaking - continue with normal WSM, Section 308-07B diagnosis.[/*]
    NOTE
    THIS BOLT DOES NOT REQUIRE A WASHER FOR THIS APPLICATION.[/*]
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
IMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.
OPERATION
DESCRIPTION
TIME
090404A​
2005-2009 Escape, Mariner, Escape Hybrid, 2006-2009 Mariner Hybrid: Clean Bolt Contact Surfaces, Includes Time To Check And Adjust PTU Fluid Level
0.5 Hr.​
DEALER CODING
BASIC PART NO.
CONDITION CODE​
7034
24​
 
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