Exhaust System - Leak At Y Pipe To Catalytic Converter
TSB 12-6-306/06/12
6.8L - EXHAUST LEAK AT Y-PIPE-TO-CATALYTIC
CONVERTER CONNECTION-BUILT ON OR BEFORE
2/27/2012
FORD:
2011-2012 F-450, F-550
ISSUE
Some 2011-2012 F-450 and 550 Super Duty
vehicles equipped with a 6.8L engine and built on
or before 2/27/2012 may exhibit an exhaust leak at
the connection between the exhaust Y-pipe and the
catalytic converter. Excessive exhaust noise and/or
odor may also be noticed. The malfunction indicator
lamp (MIL) may not be illuminated and no related
diagnostic trouble codes (DTCs) will be present.
This concern may be due to the connection fasteners.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
This procedure applies only if no related DTCs are present.
1. Disconnect the catalytic converter from the exhaust Y-pipe and discard the two (2) exhaust Y-pipe-to-catalytic converter bolts (Grey in color). Refer to Workshop Manual (WSM), Section 309-00.
2. Using two (2) new exhaust Y-pipe-to-catalytic converter bolts (Black in color), connect the catalytic converter to the exhaust Y-pipe. Refer to WSM, Section 309-00.
a. It is very important the two new Y-pipe-to-catalytic converter bolts (Black in color) are properly seated and torqued in sequence. Refer to WSM, Section 309-00.
Parts Block
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited
Warranty Coverage And Emissions 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.
OPERATION DESCRIPTION TIME
120603A 2011-2012 F-450 And 550 0.5 Hr.
Super Duty 4X2: Replace
The Y-Pipe-To-Catalytic
Convertor Bolts (Do Not
Use With Any Other Labor
Operations)
120603A 2011-2012 F-450 And 550 0.6 Hr.
Super Duty 4X4: Replace
The Y-Pipe-To-Catalytic
Convertor Bolts (Do Not
Use With Any Other Labor
Operations)
DEALER CODING
CONDITION
BASIC PART NO. CODE
5E212 38
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