Warm Up TWC Removal/Installation

Remove the charge air cooler cover (see step 1 under CHARGE AIR COOLER REMOVAL AND INSTALLATION ).
Remove the charge air cooler cover bracket (A).

Fig 1: Charge Air Cooler Cover Bracket, Power Steering Feed Hose Bracket, Hose & Turbocharger Cover With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the power steering feed hose bracket (B), then move the hose (C) in the direction of the arrow.
Remove the bolts (A), then remove the turbocharger cover (B).

Fig 2: Turbocharger Cover With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the A/F sensor (see A/F SENSOR REPLACEMENT ).
Remove the connector (A) from the water hose lower cover (B), then remove the cover.

Fig 3: Water Hose Lower Cover, Connector And Bolt With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the under-floor TWC (see UNDER-FLOOR TWC REMOVAL/INSTALLATION ).
Remove the secondary HO2S (see A/F SENSOR REPLACEMENT ).
With SH-AWD: Remove the transfer assembly (see TRANSFER ASSEMBLY REMOVAL ).
Remove the P/S heat shield (see step 25 under STEERING GEARBOX REMOVAL ).
Remove the water hose upper cover (A).

Fig 4: Water Hose Upper Cover, Bolts And Nuts With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.

NOTE: This view is from the rear of the engine compartment.
Remove the mounting bolts (B) and nut (C) from the WU-TWC.
Under the vehicle: Slide the WU-TWC toward the passenger's side to free the WU-TWC (A) from the stud (B) on the turbocharger.

Fig 5: Sliding WU-TWC Toward Passenger's Side
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Rotate the turbocharger side of the WU-TWC (A) down to the steering gearbox housing (B), and slide the WU-TWC toward the driver's side along gearbox housing until the WU-TWC clears the turbocharger (C).

Fig 6: Sliding WU-TWC Toward Driver's Side
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Lower and rotate the under-floor TWC side of the WU-TWC (A) toward the passenger's side, then remove the WU-TWC (B) from the subframe.

Fig 7: Rotating Under-Floor TWC Side Of WU-TWC
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the converter cover (A).

Fig 8: Converter Cover And Mounting Bolts With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the parts in the reverse order of removal with new gaskets (turbocharger side and under-floor TWC side). Also, replace the bolts and the nut that attach the WU-TWC to the turbocharger.
With SH-AWD; Refill the ATF (see TRANSFER ASSEMBLY FLUID REPLACEMENT ).