2003 HONDA CIVIC connector

Engine Assembly
Engine Removal (cont'dl
14. Remove the clutch slave cylinder {A) andclutchline
bracket mounting bolt (B).
15. Remove the shift cable (A) and select cable (B).
5-4
..4,
16. Disconnect the engine control module (ECM)
connectors (A) and main wire harness connector(B).
Remove the harness clamps (A) and grommet (B),
then pullthe engine wire harness through the
bulkhead.
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18.
19.
Remove the drive belt (see page 4-26).
Remove the lvC line mounting bolt.
20. Remove the radiator cap.
21. Raise the hoist to full height.
22. Remove the front tires/wheels.
23. Remove the splash shield.
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24. Loosen the drain plug in the radiatorto drain the
engine coolant (see page 10-6).
25. Drain the transmission fluid (see page 13'3).
26. Drain the engine oil {see page 8-5).
27. Disconnect the stabilizer links (see page 18-18).
28. Disconnect the suspension lower arm ball joints
(see step 3 on page 18-19).
29. Remove the driveshafts {see page 16-3). Coat all
precision finished surfaces with clean engine oil.
Tie plastic bags over the driveshaft ends.
30. Disconnect the air fuel ratio {4,/F) sensor connector
(A) and secondary heated oxygen sensor
(secondary HO2S) connector (B), then remove the
three way catalytic converter {TWC) assembly {C).
31. Remove the lower hose.
(cont'd)
5-5

Engine Assembly
Engine Removal (cont'd)
43. Use a marker to make alignment marks on the
reference lines (A) that align with the centers of the
rear subframe mounting bolts (B).
, !:_- _l.= :r -- ---.-','- -
44. Remove the front subframe (C).
5-8
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ffit'"
45. Disconnect the compressor clutch connector (A),
then remove the Ay'C compressor (B)without
disconnecting the A'./C hoses.
Check that the engine/transmission is completely
free of vacuum hoses, fuel and coolant hoses, and
electrical wiring.
Slowly lower the engine about 150 mm (6 in.).
Check once again that all hoses and wires are
disconnected trom the engine/transmission.
Lower the engine all the way. Remove the chain
hoist from the engine.
Remove the engine from under the vehicle.
46.
47.
48.
49.

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

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).
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21.
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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

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.
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44.
41.
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46.
48.
49.
52.
53.
54.
50.
51.
55.
5-15

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,
\
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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