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Home >> Lexus >> 1998 >> ES 300 V6-3.0L (1MZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Catalytic Converter >> Service and Repair >> Three-Way Catalyst (TWC)
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Three-Way Catalyst (TWC)


REPLACEMENT

1. REMOVE CONVERTER
(a) Jack up the vehicle.
(b) Check that the converter is cool.





(c) Remove the 2 bolts and exhaust pipe stay.

Torque: 33 N.m (330 kgf.cm, 24 ft.lbf)

(d) Remove the 2 bolts, and disconnect the bracket.

Torque: 33 N.m (330 kgf.cm, 24 ft.lbf)

(e) Remove the 2 bolts and 2 nuts holding the front exhaust pipe to the center exhaust pipe.

Torque: 56 N.m (570 kgf.cm, 41 ft.lbf)

(f) Remove the 4 nuts holding the front exhaust pipe to the exhaust manifolds.

Torque: 62 N.m (630 kgf.cm, 46 ft.lbf)

(g) Remove the front exhaust pipe (converter) and 3 gaskets.

HINT: At the time of installation, please refer to the following items. Install 3 new gaskets.

2. INSTALL CONVERTER
Installation is the reverse order of removal.
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