Catalytic Converter - LH Manifold: 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.

NOTE: Do not excessively bend, twist or allow the exhaust to hang from the flexible joint or damage to the exhaust system may occur.

NOTE: Exhaust fasteners are of a torque prevailing design. Use only new fasteners with the same part number as the original. Torque values must be used as specified during reassembly to make sure of correct retention of exhaust components.

Install 6 new LH catalytic converter manifold-to-cylinder head studs.
1. Tighten to 12 Nm (106 lb-in).
NOTE: Failure to tighten the LH catalytic converter manifold-to-cylinder head nuts to specification a second time will cause the LH catalytic converter manifold to develop an exhaust leak.

Using a new gasket, install the LH catalytic converter manifold and 6 new nuts. Tighten in 2 stages in the sequence shown in illustration.
1. Stage 1: Tighten to 25 Nm (18 lb-ft).
2. Stage 2: Tighten to 25 Nm (18 lb-ft).
Install the 2 Left Hand (LH) catalytic converter manifold support bracket-to-transmission bolts.
1. Tighten to 48 Nm (35 lb-ft).
Install the exhaust Y-pipe. Refer to EXHAUST Y-PIPE - 3.5L TI-VCT or Refer to EXHAUST Y-PIPE - 3.7L TI-VCT .
Install the heat shield and the 4 bolts.
1. Tighten to 10 Nm (89 lb-in).
Connect the LH CMS electrical connector.
Connect the LH HO2S electrical connector.
Start engine and check for exhaust leaks.