Catalytic Converter: Service and Repair

Exhaust System Components:

CATALYTIC CONVERTER REPLACEMENT

REMOVE OR DISCONNECT
^ Raise and suitably support vehicle.
1. Three nuts and front pipe/Three Way Catalytic Converter (TWC) assembly from exhaust manifold.
2. Two nuts securing TWC to TWC support bracket.
3. Two bolts and two springs securing front pipe/TWC assembly to muffler/tail pipe assembly and remove front pipe/TWC assembly from vehicle.

CLEAN
^ Gasket and seal mating surfaces.

INSTALL OR CONNECT
1. Front pipe/TWC assembly with new gasket to vehicle; secure to exhaust manifold with three nuts. Do not tighten fully.
2. Front pipe/TWC assembly with new seal to muffler/tail pipe assembly; secure with two springs and two bolts. Do not tighten bolts fully.
3. Two nuts securing TWC to TWC support bracket. Do not tighten fully.

ADJUST
^ Align all system components properly to prevent any noise or vibrations before tightening fasteners.

TIGHTEN
^ Front pipe/TWC assembly-to-exhaust manifold nuts to 50 Nm (37 lb ft).
^ Front pipe/TWC assembly-to-muffler/tail pipe assembly nuts to 50 Nm (37 lb ft).
^ TWC support bracket-to-TWC nuts to 23 Nm (17 lb ft).