Exhaust Pipe and Muffler Replacement (K20A6)

Exhaust Pipe and Muffler Replacement

NOTE: Use new gaskets and self-locking nuts when reassembling.

K20A6 engine:

TWC TIGHTENING
SEQUENCE(1)(2)(3)THREE WAY CATALYTIC
CONVERTER (TWC)GASKET
Replace.SECONDARY HEATED
OXYGEN SENSOR
(SECONDARY HO2S)
44 N·m (4.5 kgf·m, 33 lbf·ft)MUFFLERHEAT SHIELDSELF-LOCKING NUT
10 x 1.25 mm
33 N·m (3.4 kgf·m, 25 lbf·ft)
Replace.AIR FUEL RATIO (A/F)
SENSOR
44 N·m
(4.5 kgf·m, 33 lbf·ft)GASKET
Replace.GASKET
Replace.EXHAUST
PIPE A8 x 1.25 mm
22 N·m (2.2 kgf·m, 16 lbf·ft)
Replace.
Tighten the bolts in steps,
alternating side-to-sideSELF-LOCKING NUT
10 x 1.25 mm
33 N·m (3.4 kgf·m, 25 lbf·ft)
Replace.