Honda Civic Service Manual page 248

Exhaust Manifold
Replacement
NOTE: Use new gaskets and self-locking nuts when reassembling.
CAUTION:
. Check for folds or scratch€s on the surface of the gasket.
. Replace with a new gasket it damaged.
D16Y5. D16Y7 engines:
I x 1.25 mm
24 N.m {2.4 kgt.m, 17 tbtft}
MANIFOLD
BRACKET
PRIMARY HEATED
OXYGEN SENSOR
IPRIMAFY HO2SI
44 N.m {4.5 kgf m, 33 lbtft)
Replacement, page 9-12
GASKET
Replace.
I x 1.25 mm
31 N.m (3.2 kgf.m,
23 tbf.ft)
Beplace.
WAY CATALYTIC
CONVERTER {TWCI
lnspection, page 9'12
6 x 1 . 0 m m
11 N.m {1.1 kgt m,8 lbf.ft)
SECONDARY HEATED
OXYGEN SENSOR
(SECONDARY HO2S}
44 N.m 14.5 kgf.m,33 lbf.ft)
Replacement, page 9-13
9- 6