Drivetrain - Rear Axle Vent Oil Leak
TSB 12-5-805/29/12
REAR DRIVE AXLE VENT - OIL LEAK
FORD:
2005-2011 Mustang
The article supersedes TSB 12-2-1 to update the model years, Issue Statement and Part List.
ISSUE
Some 2005-2011 Mustang vehicles with the axle vent on the right (passenger) side may exhibit a heavy fluid leak from the rear axle vent after hard acceleration.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
1. Inspect the rear drive axle assembly for an oil leak from the rattle cap vent located on the passenger side axle tube.
a If oil is dripping from the axle tube vent, a service replacement vent is available to correct this condition. Proceed to Step 2.
b. If only light oil residue is around the rattle cap vent, this is normal and do not proceed with this procedure.
2. Remove and discard the rattle cap vent from the axle tube. Clean any oil residue from the axle tube using isopropyl alcohol or suitable cleaner.
3. Install Differential Vent and torque to 20 N-m (15 lb-ft).
4. Refer to Workshop Manual, Section 205-02. Remove differential fill plug and inspect fluid level. Adjust fluid level to the bottom of the fill plug, if necessary. Tighten fill plug to 30 N-m (22 lb-ft).
Parts Block
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage Warranty/ESP coverage limits/policies/prior approvals Warranty/ESP coverage limits are determined by the identified causal part and verified using the OASIS part coverage tool.
OPERATION DESCRIPTION TIME
120508A 2005-2011 Mustang: 0.4 Hr.
Inspect And Replace The
Rear Axle Vent, Includes
Time To Adjust Fluid Level
(Do Not Use With Any
Other Labor Operations)
DEALER CODING
CONDITION
BASIC PART NO. CODE
4010 42
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