2003 HONDA CIVIC Workshop Manual

Engine lnstallation
Special Tools Required
Front subframe adapter EOS02C00001 1
1. lnstallthe accessory brackets, and tighten their bolts and nuts to the specified torques.
10 x 1.25 mmil4 N.m {4.5 kgf.m,33lbl.ft)
A/C COMPRESSOR BRACKET
10 x 1 ,25 mm44 N.m {4.5 kgf.m,33lbt.ft)
(cont'dl
ENGINE MOUNT BRACKET
5-9

Engine Assembly
Engine Installation (cont'd)
Position lhe engine under the vehicle. Attach the
chain hoist to the engine, then lift the engine intoposition in the vehicle.
Reinstallthe mounting bolts/support nuts in
the sequence given. Failure to follow this
sequence may cause excessive noise and
vibration, and reduce bushing life.
3. Install the A,/C compressor (A), and connect the
compressor clutch connector {B).
8 x 1.25 mm22 N.m 12.2 kgf m. 16 lbf.ft)
4. Support the subframe with the subframe adapter
and a jack.
6r"
6-_-'-
5-10
- - -.'.: - --=---=-- .-€..'tt-
---:--
5. Install the subframe (A). Align the reference marks(B) on the subframe with the center of the bolt
heads, then tighten the bolts.
14x 1.5 mm103Nm{10,5 kgf m.76 rbt.ftlReplace.
6. Tighten the rear mount mounting bolts.
l0x 1.25 mm59 N.m (6.0 kgf.m, 4:] lbI.ft)
FI

7. Loosely tighten the front mount bracket mounting
bolt.
Lower the hoist.
Tighten the upper bracket mounting bolt and nut.
8.
9.
10. Tighten the transmission mount bracket support
bolt and nuts.
12 x 1.25 mm54 N m {5.5 kgt m, 40 lbf.ft}
Raise the hoist to full height.
Tighten the front engine mount bracket mounting
bolt.
'l '1.
't2.
12 x 1.25 rnrn64 N.m {6.5 kgf.m,47 tbt.ftl
13. Lower the hoist.
14. Remove the chain hoist from the engine.
'15. Installthe radiator (see page 10-10).
'16. Raise the hoist to full height.
17. Install a new set ring on the end of each driveshaft,
then install the driveshafts. Make sure each ring"clicks" into place in the differential and
intermediate shaft.
(cont'd)
:l
5-11

Engine Assembly
18.
Engine Installation {cont'dl
10 x 1.25 mm33 N.m {3.i1kgf.m,25 tbt.ftl
19.
20.
Connect the suspension lower arm ball joints (see
step 6 on page 18-19).
Connect the stabilizer links (see page 18-18).
Install the three way catalytic converter (TWC)
assembly (A); use new gaskets (B) and new self-
locking nuts {C).
\D
21.
-d
,ry6\
8 x 1.25 mm22N.m |.2.2kgl m,16 tbt.ft)
Connect the air fuel ratio (4,/F) sensor connector (D)
and secondary heated oxygen sensor (secondary
HO2S) connector (E).
Install the lower radiator hose.
5-12
va
23. Installthe splash shield.
24.
25.
26.
Lower the hoist.
Installthe drive belt.
Installthe A,/C line mounting bolt.
6 x '!.0 mm9.8 N.m (1.0 kgf.m,7.2 tbt.ftl
. -t- --- ----r

27. lnstallthe upper radiator hose {A) and heater hoses(B).
Push the engine control module (ECM) connectors
through the bulkhead, then installthe grommet (A).
29. Installthe harness clamps (B).
30. Connect the ECI\4 connectors (A) and main wire
harness connector (B).
Install the throttle cable (see page 11-164), then
adjustthe cable {see page 11-'163).
Installthe cruise control cable (see page 4-44), then
adjust the cable (see page 4-45),
Install the brake booster vacuum hose (A) and the
evaporative emission (EVAP) canister hose (B).
34. Installthe fuel line (see page 11-150).
31.
32.
33.
(cont'd)
5-13

Engine Assembly
Engine Installation {cont'dl
Install the select cable (A) and shift cable (B) using
the plastic washers (C), washers (D), and new cotter
pins (E).
6x1.0mm9.8 N.m (1.0 kgf.m,7.2 tbl.ftl
Install the clutch slave cylinder (A) and clutch line
bracket mounting bolt (B).
6x1.0mm9.8 N.m{1.0 kgf.m,7.2 tbt.ft)
"-.----->)
"------'6
8 x '1.25 mm24 N.m (2.4 kgl.m,
5-14
37. Installthe battery cables (A) on the under-hood
fuse/relay box, then install the harness clamp (B).
Installthe ground cable (C).
Installthe intake air duct.
6x1.0mm12Nm{1.2kgf.m,8.7 tbf.ft)
39.
\"
\-
a
6x1.0mm12Nm{1.2kgt.m,8.7 rbf.ft)

40. Install the air cleaner housinq.
6x1.0mm12 N m (1.2 kgf.m,8.7 lbt.ft)
Install the air cleaner housing cover (A) and
connect the intake air temperature (lAT) sensor
connector (B),
42. Installthe breather hose (C) and vacuum hose 1D).
41.
43. Installthe intake manifold cover.
6x1.0mm12Nm11.2kgf.m.8.7 tbf.ft)
Installthe battery. Clean the battery posts and
cable terminals with sandpaper, then assemble
them and apply grease to prevent corrosion.
Check that the transmission shifts into gear
smoothly.
Inspect for fuel leaks. Turn the ignition switch ON(ll) {do not operate the starter) so that the fuel pump
runs for about 2 seconds and pressurizes the fuel
line. Repeat this operation two or three times, then
check for fuel leakage at any point in the fuel line.
Refillthe engine with engine oil (see page 8-5).
Refill the transmission with fluid (see page 13-3).
Refill the radiator with engine coolant, and bleed
air from the cooling system with the heater valve
open (see page 10-6).
Perform the engine control module (ECM) idle learnprocedure (see page 11-139).
Inspect the idle speed (see page 1 1-138).
Inspect the ignition timing (see page 4-17).
Check the wheel alignment {see page 18-4).
Enter the anti-theft code for the radio, then enter
the customer's radio station presets.
Set the clock.
YE
44.
41.
]tE
46.
48.
49.
52.
53.
54.
50.
51.
55.
5-15

\
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
b-t'