Oil HONDA CIVIC 2003 7.G Owner's Manual

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Engine Mechanical
Cylinder Head
Special Tools
Comoonent Location Index
Engine Compression Inspection
VTEC Rocker Arm Test ........... ............ 6-7
VTC Actuator Inspection .................... 6-8
Valve Clearance Adjustment ............. 6-9
Crankshaft Pulley Removal and Installation .............. 6-11
Cam Chain Removal ........................... 6-12
Cam Chain Installation ....................... 6-15
Auto-Tensioner Removal/1nsta11ation ......................... 6-19
Chain Case Oil Seal Installation ........ 6-21
Cyf inder Head Cover Removal .......... 6-22
Cylinder Head Removal ..................... 6-23
WC Actuator. Exhaust Camshaft Sorocket
Repf acement .........6-24
Cylinder Head Inspection for Warpage ...................... 6-25
Rocker Arm Assembly Removal ................................. 6-26
Rocker Arms and Shafts
Disassembly/Reassembly .............. 6-27
Rocker Arms and Shafts Inspection ............................ 6-28
Camshaft Inspection .......................... 6-29
Valves, Springs, and Valve Seals Removal ................ 6-31
Valve Insoection ...................... ........... 6-32
Valve Stem-to-Guide Clearance Insoection ............... 6-32
Valve Guide Reolacement ................. 6-33
Valve Seat Reconditioning ................ 6-35
Valves, Springs, and Valve Seals Installation ............ 6-37
Rocker Arm Assemblv Installation .... 6-38
Cvlinder Head Installation ........................................... 6-39
Cylinder Head Cover Installation ...... 6-41
6-2
6-3
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Component Location lndex
TENSIONERARM
AUTO.TENSIONERReplacement, page 6-'l I
IGNITION COILCOVER
CYLINDER HEADCOVERRemoval, page 6-22lnstallation, page 6-41
CAM CHAINBemoval, page 6-'12Installation, page 6-15
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CAM CHAIN GUIDE B
CAM CHAIN GUIDE A
VARIABLE VALVETIMING CONTROLtwc) olL soLENotDVALVE
CRANKSHAFT PULLEYReplacement, page 6 11
O-RING
(cont'd)
6-3

Cylinder Head
Engine Compression Inspection
1. Warm up the engine to normal operating
temperature (cooling fan comes on).
2. Turn the ignition switch OFF.
3. Remove the intake manifold cover (see step 1 onpage 6-22).
4, Disconnect all four injector connectors.
5. Start the engine, and let it run until it stalls.
6. Remove the iour ignition coils (see page 4-18).
7. Remove the four spark plugs.
8. Attach the compression gauge to the spark plug
note.
6-6
V,
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9.
10.
Open the throttle fully, then crank the engine with
the starter motor and measure the compression.
Compression Pressure
Above 930 kpa (9.5 kgf/cm', 135 psi)
Measure the compression on the remaining
cylinders,
Maximum vadation
Within 200 kPa (2.0 kgf/cm', 28 psi)
lf the compression is not within specifications,
check these items, then remeasure the
compressron.
. Damaged orworn valves and seats. Damaged cylinder head gasket. Damaged or worn piston rings. Damaged orworn piston and cylinder bore
11.
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7. Disconnectthe crankshaft position (CKP) sensor
connector {A) and variable valve timing control
{VTC) oil control solenoid valve connector (B).
Remove the VTC oil control solenoid valve (see
step 1 on page 11-127).
Support the engine with a iack and wood block
under the oil pan.
Remove the ground cable (A). and remove the
upper bracket (B).
9.
10.
11. Remove the side engine mount bracket.
12. Remove the chain case.
(cont'd)
6-13

7, Install the cam chainguide B.
H4
\ilt
Hgq
8 x 1.25 mm22 N.m(2.2 kgf.m, 16lbt.ft)
8. Remove the Din from the auto-tensioner,
Check the chain case oil seal for damage. lf the oil
seal is damaged, replace the chain case oil seal
(see page 6-21).
9.
10.
11.
Remove old liquid gasket from the chain case
mating surfaces, bolts, and bolt holes.
Clean and dry the chain case mating surfaces.
Apply liquid gasket. P/N 08718-0009, evenly to the
cylinder block mating surface ofthe chain case and
to the inner threads of the holes.
Apply liquid gasket to the cylinder block upper
surface contact areas (A) on the chain case.
Apply liquid gasket, PiN 08718-0009, evenly to the
oil pan mating surface of the chain case and to the
inner threads of the holes.
NOTE: Do not installthe parts it 5 minutes or more
have elapsed since applying liquid gasket. lnstead,
reapply liquid gasket after removing old residue.
(cont'd)
14.
Apply liquid gasketalong the broken line.
Apply liquid gasketalong the broken line.
6-17

Gylinder Head
Cam Chain Installation (cont'd)
'15. Install the new O-ring (A) on the chain case. Set the
edge of the chain case (B) to the edge of the oil pan(C), then install the chain case on the cvlinder block(D).
NOTE: When installing the chain case, do not slide
the bottom surface on the oil pan mounting surface.
',.9
6x1.0mm12 N.m(1.2 kgt.m.8.7 lbf.ft)
6x1.0mm12Nm(1.2 kgf.m,8.7 lbf.ft)
6-18
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16. lnstallthe side engine mount.bracket.
17. Installthe upper bracket (A), then tighten the bolv
nuts in the numbered seouence shown.
6x1.0 mm12 N.m{1.2 kgl m, 8.7 lbf ft}
12x1.25 mm54 N.m(5.5 kgt m, 40 lbf.ft)
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18. Install the ground cable (B).
rbf.ft)

19.
20.
lnstall the variable valve timing control (VTC) oil
control solenoid valve (see step 1 on page 11'127).
Connect the crankshaft position (CKP) sensor
connector {A) and VTC oil control solenoid valve
connector (B).
21. Install the crankshaft pulley (see page 6-12).
22. Installthe cylinder head cover (see page 6-41).
23. Installthe drive belt.
24. Installthe splash shield.
€D@
Auto-Tensioner RemovaU
lnstallation
Removal:
1. Remove the chain case cover.
Turn the crankshaft counterclockwise to compress
the auto-tensroner.
{cont'd)
6-19

Remove old liquid gasket from the chain case cover
mating surfaces, bolts, and bolt holes.
Clean and dry the chain case cover mating surfaces.
Apply liquid gasket, P/N 08718-0009, evenly to the
chain case mating surface of the chain case cover
and to the inner threads of the holes.
NOTE: Do not installthe parts if 5 minutes or more
have elapsed since applying liquid gasket. Instead,
reapply liquid gasket after removing old residue.
6. Installthe chain case cover.
4.
6x1.0mm12 N.m{1.2 kgt.m,8.7 tbf.ft)
Apply liquid gasketalong the broken line.
Chain Case Oil Seal Installation
SpecialTools Required. Driver 07749-0010000. Attachment, 52 x 55 mm 07746-0010400
1. Use the special tools to drive a new ollseal
squarely into the chain case to the specified
installed height.
07749-0010000
2. Measure the distance between the chain case
surface (A) and oilseal 1B).
Oil Seal Installed Height:
33.0-33.7 mm (1.30- 1.33 in.)
33.0 33.7 mm{1.30 1.33 in.l
6-21

Gylinder Head
Cylinder Head Cover Removal
1. Remove the intake manifold cover.
2. Remove the four ignition coils (see page 4-'18).
3. Remove the dipstick (A) and breather hose (B).
6-22
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4, Remove the cylinder head cover
V:t :;t 1
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Installation:
1. Install the VTC actuator and exhaust camshaft
sprocket.
2. Apply engine oil to the th reads of the VTC actuato r
mounting bolt and exhaust camshaft mounting bolt,
then install them.
3. Hold the camshaft with an open-end wrench, then
tighten the bolts.
Specified torque:
VTC actuator mounting bolt:
113 N.m (11.5 kgl.m,83 lbl.ft)
Exhaust camshaft sprocket mounting bolt:
72 N m (7.3 kgf.m, 53 lbf.ft)
4. Install the cam chain {see page 6-15).
1,
Cylinder Head Inspection for
Warpage
Remove the cylinder head {see page 6-23).
Inspect the camshaft (see page 6-29).
Check the cylinder head for warpage. Measure
along the edges, and three ways across the center.
. lf warpage is less than 0.05 mm (0.002 in.)
cylinder head resurfacing is not required.. lf warpage is between 0.05 mm (0.002 in.) and
0.2 mm (0.008 in.), resurface the cylinder head.. Maximum resurface limit is 0.2 mm (0.008 in,)
based on a height of 104 mm (4.09 in.).
Cylinder Head Height;
Standard {New}: 103.95 104.05 mm
{4.093 4.096 in.}
6-25