Exhaust Manifold - LH: Installation

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

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

Using a new gasket, install the LH exhaust manifold and 6 new nuts. Tighten in 2 stages in the sequence shown in illustration:
- Stage 1: Tighten to 19 Nm (168 lb-in).
- Stage 2: Tighten to 25 Nm (18 lb-ft).
  
  Fig 1: Identifying Exhaust Manifold Nuts Tightening Sequence
  Courtesy of FORD MOTOR CO.
Install the LH exhaust manifold heat shield and the 2 bolts.
- Tighten to 12 Nm (106 lb-in).
Raise the catalytic converter and install the new LH and RH catalytic converter-to-exhaust manifold nuts.
- Tighten to 45 Nm (35 lb-ft).
Connect and attach the RH and LH HO2S electrical connectors.
NOTE: LH shown in illustration, RH similar.

If equipped, install the strut tower cross brace and the 4 nuts (2 shown in illustration).
- Tighten to 35 Nm (26 lb-ft).