Catalytic Converter - LH, 3.5L GTDI: Installation
- 1.
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).
- 2.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).
- 5.
Install the LH exhaust flexible pipe. For additional information, refer to Exhaust Flexible Pipe - LH, 3.5L GTDI .
- 6.
Install the LH HO2S. For additional information, REFER to Electronic Engine Controls - 2.0L GTDI.



