Honda Civic Quiz
Powertrain

Catalytic Converter Removal and Installation (R18Z1)

In this manual: Powertrain
Accessories — 57Body — 310Chassis — 96Electrical — 15HVAC — 39Powertrain — 300Moonroof/Sunroof — 9Roof Drainage — 5Wiper Arm/Nozzle Adjustment — 1ELD Removal and Installation — 1Under-Dash Fuse/Relay Box Removal and Installation (KA KX models without Keyless Access System) — 1Under-Dash Fuse/Relay Box Removal and Installation (KA models with Keyless Access System) — 1
~1min read
  1. A/F Sensor (Sensor 1)

1.

Disconnect the connector.

2.

Remove the A/F sensor (A).

  1. Exhaust Chamber Cover

1.

Remove the exhaust chamber cover (A).

  1. EGR Pipe

1.

Remove the EGR pipe (A).

  1. Vehicle Lift

1.

Raise the vehicle on a lift, and make sure it is securely supported.

  1. Splash Shield

1.

Remove the splash shield (A).

  1. Engine Undercover

1.

Remove the engine undercover (A).

  1. Secondary HO2S

1.

Disconnect the connector.

2.

Remove secondary HO2S (A).

  1. Catalytic Converter

1.

Remove the catalytic converter (A).

2.

Remove the catalytic converter cover (B).

  1. Catalytic Converter

1.

Install the catalytic converter cover (A).

2.

Install the catalytic converter (B) with new gaskets (C).

  1. Secondary HO2S

1.

Install secondary HO2S (A).

2.

Connect the connector.

  1. Engine Undercover

1.

Install the engine undercover (A).

  1. Splash Shield

1.

Install the splash shield (A).

  1. EGR Pipe

22mmmmreplace

1.

Install the EGR pipe (A) with new gaskets (B).

  1. Exhaust Chamber Cover

1.

Install the exhaust chamber cover (A).

  1. A/F Sensor (Sensor 1)

1.

Install the A/F sensor (A).

2.

Connect the connector.

Test yourself

A quick Honda Civic quiz: every answer comes with an explanation and a link to the manual page.