Catalytic Converter - LH, 3.5L GTDI: Installation

WARNING: This page is about a different car, the 2013 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

Inspect the LH turbocharger-to-catalytic converter studs for damage.
- If damaged or if a stud comes out when removing the nut, replace the stud.
- Tighten to 25 Nm (18 lb-ft).
NOTE: Failure to tighten the LH catalytic converter manifold-to-turbocharger nuts to specification a second time will cause the LH catalytic converter manifold-to-turbocharger to develop an exhaust leak.

Using a new gasket and 3 new nuts, install the LH catalytic converter manifold to the turbocharger. Tighten the LH catalytic converter manifold in 2 stages.
- Stage 1: Tighten to 40 Nm (30 lb-ft).
- Stage 2: Tighten to 40 Nm (30 lb-ft).
Connect the LH CMS electrical connector.
If equipped, install the skid plate and the 10 retainers.
- Tighten to 70 Nm (52 lb-ft).
Install the LH exhaust flexible pipe. For additional information, REFER to EXHAUST FLEXIBLE PIPE - LH, 3.5L GTDI .
Install the LH HO2S . For additional information, REFER to ELECTRONIC ENGINE CONTROLS .