1999 HONDA CIVIC Gaskets

81642 engine:
8 x 1.25 mm
22N,n 12 2 kdl'rn,
Replace.
,&16 rbt.ftl
Replace.
SELF.LOCKING8 x 1.25 mm16 N.m t1.6 kg{ m, 12 lbl'ft)
Replace.
GASKETSReplace.
10 x 1 .25 mm
s4 N.m {5.5 kgf m, 40 lbf'ftl
32.
PIPE A
RePlace'
Remove the damper forks (see section 18).
Disconnect the suspension lower arm ball joints
(see section 18).
Remove the driveshafts.
CAUTION:
o Do not pull on th€ drivoshaft. the CV ioint may
com9 apart.
o Use care whgn prying out the assombly.
Pull it straight to avoid damaging the differential
oil seal or intermediate shaft dust seal.
NoTE: Coat all precision-finished surfaces with
clean engine oil. Tie plastic bags over the driveshaft
enos.
34.
HO2S CONNECTOR
!^.
35.
36.
Lower the hoist.
Remove the upper and lower radiator hoses and
heater hoses,
37. Removs the ATF cooler hoses, then plug the ATF
cooler hoses and PiPes (A,/T)
UPPERRADIATOR HOSE
HOSES
(cont'd)

Gylinder Head
lllustrated Index
CAUTION:
. To avoid damage, wait until the engine coolant temperatule drops below 100"F (38'C) before removing the cylinder
head.
. When handling a metal gasket, take care not to fold it or damage the contact surface'
NOTEr Use new O-rings and gaskets when reassembling'
CYLINDER HEAD
COVERRefer to page 6 46, when
installing cylinder head cover.
WASHERReplace when damaged
or deteriorated.
O.RINGReplace.
6x1.0mm9.8 N.m 11.0 kgf.m, 7.2 lbfft)Apply soapsuds to threads and cylinder head
contact surface when replacing the rubber
seal, then temove any soapsuds after install
ing rubber seal.
RUBBER SEALReplace when damagedor deteriorated.
CYLINDER HEAD BOI-T
10 x 1.25 mm67 N.m 16.8 kgf m, a9 lbt'ft)
Tightening, Page 6-46
Apply engine oilto the threads.HEAD COVEB GASKETReplace when leaking,
damaged or deteriorated.Apply liquid gasket at
the four corners ol therecesses,
DISTRIBUTORSee section 23.
8 x 1 .25 mm24 N.m (2.4 kgf.m,17 tbt.ft)
CYLINDER HEADGASKETReplace.
8 x 1.25 mm24 N.m {2.4 kgf m, 17 lbf ftl
t(cont'd)
6-23
PINS

Cylinder Head
lllustrated Index
CAUTION:
. To avoid damaging the cylinder head, wait until the engine coolant tempsraturo drops below 100"F (38"C1 bofote
removing it,
. when handling a metal gasket, take caro not to fold the gaskot or damage the contact surface of the gasket.
NOTE: Use new O-rings and gaskets when reassembling.
CYLINDER HEAO
PLUGReplace.
)@
DISTRIBUTOR
8 x 1 ,25 mm
27 N.m P.E kgl m.
20 tbf.foApply engine oil to
the threads.
cr.rMp.S
CAMSHAFT A"o''*t*'; wes@
OIL SEALReplace.
6 x l,omm9.8 N'm tl.0 kgt'm,7.2lbf ft)
RUBBER SEALReplace when damaged
or detedorated.
6x1.0mm9.8 N.m (1.0 kgf'm,
7.2 rbnftl
fi%
IGNMONWIRE COVER
CYLINOER HEAD
COVERRefer to page 6-86
when installing
HEAD COVER GASKETReplace when leaking, damaged
or deteriorated.Apply liquid gasket at thecorners of the recesses, Page 6-86
8 x 1,25 mm24 N.m {2.4 kgf'm,
1? tbf.ftl
EXHAUST
10 x 1.25 mm56 N.m (5.7 kgf m,,r1 lbl.ft)
(cont'd)
6-65

Intake Manifold
Replacement
NOTE: Use new O-rings and gaskets when reassemblinq.
CAUTION:
. Check tor folds or scratchos on the surface of tbe gasket.. Replace with a now gasket if damaged.
D16Y7 engine:
8 x 1.25 mm22 N.m 12.2 kgtm, 16 tbtftl
INTAKE MANIFOLDReplace if cracked orif mating surfaces aredamaged.
8 x 1.25 mm23 N.m {2,3 kgt m.17 rbf.ftl
INTAKE MANIFOLDBRACKET
8 x 1.25 mm24 N.m {2.4 kgf.m, 17 tbf.ftl
9-2

lntake Manifold
Replacement (cont'dl
NOTE: Use new O,rings and gaskets when reassembling.
CAUTION:
. Check lor folds or scratches on the surface of the gasket.. Replace with a new gasket il damaged.
D16Y8 engine:
INTAKE MANIFOLDReplace if cracked orif mating surfaces areoamageo,
INTAKE AIR CONTROL{ract vAt_vE {M/Tl
GASKETReplace.
8 x 1.25 mm24 N.m {2.{ kgtm.17 tbtftt
THROTTLEBODY
8 x 1.25 mm22 N.rn |.2.2 kgl.rn,16 tbtft)INTAKE MANIFOLDBRACKET
9-4

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 mm24 N.m {2.4 kgt.m, 17 tbtft}
MANIFOLDBRACKET
PRIMARY HEATEDOXYGEN SENSORIPRIMAFY HO2SI44 N.m {4.5 kgf m, 33 lbtft)Replacement, page 9-12
GASKETReplace.
I x 1.25 mm31 N.m (3.2 kgf.m,23 tbf.ft)Beplace.
WAY CATALYTICCONVERTER {TWCIlnspection, page 9'12
6x1.0mm11 N.m {1.1 kgt m,8 lbf.ft)
SECONDARY HEATEDOXYGEN SENSOR(SECONDARY HO2S}44 N.m 14.5 kgf.m,33 lbf.ft)Replacement, page 9-13
9-6

Exhaust Manifold
Replacement (cont'dl
NOTE: Use new gaskets and self-locking nuts when reassembljng.
CAUTION:
. Check for folds or scratches on the surface ot the gask€t.
. R€place with a new gaskot if damagod,
B16A2 engine:
GASKETReplace.
10 x 1.25 mm44 N.m {4.4 kgt.m,33 tbl.ft)SELF.LOCKING NUT8 x 1 .25 mm31 N.m (3.2 kg{.m, 23 lbf.ft)Replace-EXHAUST MANIFOLDBRACKET
10 x 1.25 mm4{ N.m (4.5 kgf.m. 33 tbt.fil
9-8

Exhaust Pipe and Muffler
\
Replacement
NOTE: Use new gaskets and self-locking nuts when reassembling
D16Y5, D16Y7 engines:
HEAT SHIELO
6x1.0mm9.8 N.m tl.0 kgf'm,7.2lbf'ft)
EXHAUST PIPE B
EXHAUST PIPE TIP
/
O
6x1.0mm9.8 N.m 11.0 kgt m, 7.2 lbf'ftl
oP----------------8 x 1.25 mm22 N.m 12.2 kg .m,
16 tbf.f Replace.Tighlen the bolts insteps, alternatingside to-side.
8 x 1.25 mm22 N.m 12.2 kgl'm, 16lbl'ttl
Replace.Tighten the bolts in steps,
alternating side-to-side
GASKETReplace.
SELF-LOCKING NUT
8 x 1.25 mm16 N.m 11.6 kgt m, 12 lbt'ftl
Replace.
(cont'd)
9-9
MUFFLER
neOlace. ----------"+@
SELF.LOCKING NUT10 x 1.25 mm33 N.m (3.4 ksd.m,25 lbf.frlReplace.