Catalytic Converter - 3.0L LH Manifold: Installation

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

Install the 6 new LH catalytic converter manifold studs.
- Tighten to 11 Nm (97 lb-in).

NOTE: Failure to tighten the catalytic converter nuts to specification before installing the exhaust Y-pipe will cause the converter to develop an exhaust leak.

NOTE: Failure to tighten the catalytic converter nuts to specification a second time will cause the converter to develop an exhaust leak.

Using a new gasket, install the LH catalytic converter and the 6 nuts. Tighten in 2 stages in the sequence shown in illustration.
- Stage 1: Tighten to 25 Nm (18 lb-ft).
- Stage 2: Tighten to 25 Nm (18 lb-ft).
  
  Fig 1: Identifying Exhaust Manifold Nuts Tightening Sequence
  Courtesy of FORD MOTOR CO.
Install the exhaust Y-pipe. For additional information, refer to EXHAUST Y-PIPE - 3.0L .
Install the LH catalytic converter heat shield and the 3 bolts.
- Tighten to 10 Nm (89 lb-in).
Position the A/C compressor and install the 3 bolts.
- Tighten to 25 Nm (18 lb-ft).
  
  Fig 2: Locating A/C Compressor Bolts
  Courtesy of FORD MOTOR CO.
Connect the A/C compressor electrical connector.

Fig 3: Locating A/C Compressor Electrical Connector
Courtesy of FORD MOTOR CO.
Rotate the accessory drive belt tensioner counterclockwise and install the accessory drive belt.

Fig 4: Rotating Accessory Drive Belt Tensioner Counterclockwise
Courtesy of FORD MOTOR CO.
Install the LH HO2S . For additional information, refer to HEATED OXYGEN SENSOR (HO2S) .
Install the passenger side splash shield and the 6 retainers.

Fig 5: Locating Passenger Side Splash Shield Retainers
Courtesy of FORD MOTOR CO.