F 350 4WD Super Duty V10-6.8L VIN Y (2006)
5. NOTE: Using an abrasive pad, clean the exhaust coupling surface area of any surface rust.
Place the new coupling on the catalytic converter-to-muffler joint or, if equipped, catalytic converter-to-exhaust intermediate pipe joint. Make sure
the coupling is installed no more the 4 mm (0.15 inch) from the back of the button on the end of the pipe.
6. Align the exhaust system. For additional information refer to Exhaust System Alignment.
7. Tighten the exhaust Y-pipe flange nuts.
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Tighten to 40 Nm (30 ft. lbs.).
8. Tighten the catalytic converter-to-muffler coupling or, if equipped, catalytic converter-to-exhaust intermediate pipe coupling.
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Tighten to 55 Nm (41 ft. lbs.).
