1996 HONDA CIVIC head install

Crankshaft Pulley and Pulley Bolt
Replacement
When installing and tightening the pulley. follow theprocedure below,
Clean, remove any oil, and lubricate points shown
below.
O: Clean
x: Bemove any oil
a: Lubricate
TIMING BELTGUIOE PLATE
Crankhaft pulley bolt size and torque value:
14 x 1.25 mm
20 N.m {2.0 kgl.m, 14 lbf.ft) + 90'
NOTE: Do not use an impact wrench when installing.
HOI.I'ER HANDTI07JAB - 001020A
HOLDER ATTACHMENT. 50 mm07NAB - ootoilllA
S(rc(ET, 17 mm07JAA-lxtl010A or{Co.nm.rci.lly .v.il.bl.}
CRANKSHAFT
6-16
'1.Tighten the pulley bolt to the specified torque.
Torque: 20 N.m {2.0 kgf.m, 14 lbf'ft}
Use I felt tip pen to mark the pulley bolt head andwasher.
EMBOSSING MARKS
3. Tighten the pulley bolt an additional 90".
EMBOSSING MABKMARKING
\
MARKING
MARKING
I

Timing Belt
Illustrated lndex
NOTE:
. Refer to page 6-20 for how to position the crankshaft and pulley before installing the belt.
. Mark the direction of rotation on the belt before removing.
a Do not use the upper cover and lower cover for storing removed items,
. Clean the upper cover and lower cover before installing.
. Replace the ca mshaft seals and cra n kshaft sea ls if there is oil leakage.
. Refer to page 6-16 before installing the timing belt.
CYLINDER HEADCOVERReler to page 6-46when installing.
HEAD COVEB GASKETReplaco when l6akin9,domaged or deteriorated.Apply liquid gasket at
th€ lour corners of thetecessos.
d
@
TIMING BELTInspection, page 6-18Adjustment, page 6-18Removal, page 6-19Installation. page 6-20
I x 1.25 mm3t N.m {3.8 kgf'm, 27 lbfftl
Apply engine oilto the bolt
thleads.
CRANKSHAFT SPEED FI.UCTUATION
lcr(Fl sENsoRReplacement, Page 6-22
UPPER COVEB
lnstallwithsurface facing in.
TIMING BELTDRIVE PULLEYReplacement, page 6_16
6x1.0mm9.8 N'm 11.0 kgt m,7.2 tbf.ft)NUBBER SEALSReplace when damagedor deledorated.
LOWER COVER
FUBBERPLUG
CRANKSHAFT PULLEYReplacement, page 6'16
PULLEY BOLTlil x 1.25 mm20 N.m 12.0 kgt.m,14 lbt'ft) + 90"Replacement, page 6'16Do not us6 an impactwrench when installing.
x 1.0 mmBOLT o-RING10 x 1,25 mm Reolace.14 N.m {,1.5 kgt m, 33 lbt ftl
6x1.0mmt2 N.m 11.2 kgf'm,8.7 tbt f0
9.E N'm (1.0 kgt.m,?.2 tbf.ftl\.-,o
6-17

Timing Belt
Inspection
1.
2.
3.
Remove the cylinder head cover.
. Refer to page 6 46 when installing.
Remove the upper cover (see page 6 19).
Inspect the timing belt for cracks and oil or coolantsoakrng.
NOTE:
. Replace the belt if oil or coolant soaKeo.. Remove any oil or solvent that gets on the belt.
Rotate pulleyand inspect belt.
After inspecting, retorque the crankshaft pullev bolt{see page 6- 16).
o- I6
Tension Adjustment
CAUTION: lt*ays aa;j"t the timing bett rension withthe engine cold.
NOTE:
. The tensioner is spring loaded to apply tension to thebelt automatically after making the following adjustment.
. Always rotate the crankshaft counterclockwise whenviewed from the pulley side. Rotating it clockwisemay result in improper adjustment of the belt ten-sion.
. lnspect the timing belt before adjusting the belt ten-ston.
1.Remove the cylinder head cover.
. Refer to page 6,46 when installing.
Remove the upper cover (see page 6,'19).
Rotate the crankshaft five or six revolutions to setthe belt.
Set the No. 'l piston at TDC (see page 6-21).
Loosen the adjusting bolt 180'.
2.
3.
4.
5.
\I
ADJUSTING BOLT44 N.m {4.5 kgt m,33 rbf.ft)
7.
8.
Rotate the crankshaft counterclockwise three teethon the camshaft pulley.
Tighten the adjusting bolt.
After inspecting, retorque the crankshaft pulley bolt(see page 6-16).

Timing Belt
Removal (cont'd)
9. Remove the CKF sensor from the oI pump.
10. Loosen the adjusting bott lgO..to remove tension from theretighten the adjusting bolt.
12 N.m 11.2 kgt.m,8.7 rbf.ftl
Push the tensioner
timing be lt. then
AD.'USNNG BOLT4{ N.m 14.5 kgt m,33 tbtftl
1 1. Remove the timing belt.
6-20
lnstallation
Install the timing belt in the reverse order of removal;Only key points are described here.
l. set rhe timing belt drive pulley so that the No. 1 pis-ton as at top dead center (TDC), Align the groove onthe timing belt drive pulley to the pointer on the oilpump.
TDC MARKPOINTER
I
t
I
TIMING BELTDBIVE PULLEYClean.I
2. Set the camshaft pulley to TDC. Align the TDCmarks on the camshaft pulley to the cylinder headsurface.

Crankshaft Speed Fluctuation (CKF) Sensor
2.
3.
5.
Replacement
4.
1.
6x1.0mm'12 N.m {1.2 kgt.m,8.7 tbf.ft)
6. Installthe CKF sensor in reverse order of removal.
Remove the cylinder head cover.
NOTE: Refer to page 6-46 when installing.
Remove the crankshaft pulley (see page 6_16),
Remove the upper cover and dipstick/tube {seepage 6-19).
Remove the lower cover and idler pulley bracket(see page 6-19).
Disconnect the CKF sensor connector, then removethe CKF sensor.
CKF SENSORCONNECTOR
6-22
:(
I

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 (cont'dl
(-/) _.- E "or to reassembring, crean at the parts in sorvent, dry them and appry rubricant to anv contact oarts.
D16Y7 engine:
ROCK€R ARMASSEMBLYRemoval, page 6 30Inspection, page 6-35
8 x 1.25 mm20 N.m (2.0 kgt.m, 14 tbt.ftlApply engine oil to the
H
B
O-RINGReplace.
INTAKE VALVE SEALReplace.
VALVE SPRINGSEAT
INTAKE VALVEGUIDE
:a
ti
VALVE
SPRING RETAINER
EXHAUST VALVESEAL
VALVE SPRINGSEAT
EXHAUST VALVEGUIDErnspectron, page 6,39Beplacement, page 6 4lAeaming, page 6-43
8 x 1.25 mm37 N m (3.8 kgt m,27 tbtftlApply engine oiltothe threads.
INTAKE VALVERemoval, page 6-38lnstallation, page 6-43
Removal, page 6,27Warpage, page 6 40Valve seat reconditioning,page 6-40Installation, page 6-45
VALVE
t
t
t
CAMSHAFTnspectron, page 6-36
OIL CONTROLORIFICEClean.
KEEPERS
\
EXHAUST VALSPRING
c -A9-2.+
L
6x1.0mm12 N.m (1.2 kst.m, 8.7 tbf.ft)Apply engine oit to thethreads.
VALVE KEEPERS
SPRING RETAINER
INTAKE VALVESPRING

D16Y5 engine:
I x 1.25 mm20 N.m (2,0 kgf m, 14 lbf ft)
Apply engine oilto the
threads.ROCKEB ARMASSEMBLYFemoval, page 6-30
Inspection, Page 6-34
6x1.0mm12 N.m 11.2 kgf m, 8.7 lbf'ftl
Apply engine oilto the
threads.
VALVE KCEPERS
SPRING RETAINER
CAMSHAFTInspection, page 6-36
6x1.0mm12 N,m 11.28.7 tbf.ft)
WEC SOLENOIDVALVEBINTAKE VALVESPRING
INTAKE VALVE SEAL
Replace.
VALVE SPRINGSEAT
INTAKE VALVEGUIDE
CAMSHAFTPUL|'IY
VTEC SOLENOIDVALVE FILTERReplace.
OIL CONTROLORIFICEClean.
VALVE
SPRING RETAINEB
EXHAUST V
SPRING
VE
EXHAUST VALVE
SEALt"o'""".uoau,
SEATReplace.
GUIDEInspection, page 6-39Replacement, Page 6-41
Reaming, page 6-43EXHAUSTVALVEOIL SEALReplace.
HEAD
8 x 1.25 mm
37 N.m 13.8 kgf.m,
27 tbf.frlApply engine oiltothe lhreads.
(cont'd)
6-25
INTAKE VALVERemoval, page 6 38
Installalion, Page 6 43Removal, page 6-27Warpage, Page 6 40
Valve seat reconditioning'page 6-40lnstallation, page 6_45