Exhaust Y-Pipe - Gasoline Engines: Removal

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

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.

With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING & LIFTING .
Disconnect the 2 Heated Oxygen Sensor (HO2S) electrical connectors.
Disconnect the Catalyst Monitor Sensor (CMS) electrical connector.
Remove the 2 exhaust Y-pipe-to-catalytic converter bolts.

NOTE: LH exhaust Y-pipe-to-exhaust manifold nuts shown in illustration, RH similar.

With the help of an assistant, remove the 4 exhaust Y-pipe-to-exhaust manifold nuts and the exhaust Y-pipe assembly from the vehicle.
- Discard the nuts.
  
  Fig 1: Locating Exhaust Y-Pipe-To-Exhaust Manifold Nuts
  Courtesy of FORD MOTOR CO.