2003 HONDA CIVIC belt

Gylinder Head Removal
NOTE:. Use fender covers to avoid damaging painted
surfaces.
To avoid damage, unplug the wiring connectors
carefully whlle holding the connector portion.
To avoid damaging the cylinder head, wait until the
engine coolant temperature drops below 100'F (38"C)
betore loosening the cylinder head bolts.
Mark all wiring and hoses to avoid misconnection.
Also, be sure that they do not contact other wiring or
hoses, or interfere with other parts.
'1.
2.
3.
Drain the engine coolant (see page 10-6).
Remove the drive belt (see page 4-26).
Remove the intake manifold {see page 9-3).
Remove the air cleaner housing (see step 7 on page
5-2t.
5. Remove the water bypass hose (A).
Remove the exhaust manifold (see page 9-7
Remove the cam chain (see page 6-12).
6.
7.
).
8. Remove the engine wire harness connectors and
wire harness clamps from the cylinder head.
. Engine coolant temperature (ECT) sensor
conneclor. Camshaft position (Cl\4P) (top dead center (TDC))
sensor B connector. Camshaft posilion (CMP) sensor A connector
9. Remove the upper radiator hose (A) and heater
hose (B).
'10. Remove the harness holder (A)from the bracket,
then remove the connecting pipe mounting boh {B)
and brake booster vacuum line mounting bolts {C).
(cont'd)
1 1. Remove the water bvpass hose (D).
6-23

14. Installthe water bvpass hose.
15. Installthe air cleaner housing (see step 37 on page
5-15).
16. Installthe intake manifold (see page 9-5).
17. Installthe exhaust manifold (see page 9-7).
'18. Installthe cam chain (see page 6-15).
19. Adjust the valve clearance (seepage6-9).
20. Installthe drive belt (see page 4-26).
21. Clean the battery posts and cable terminals with
sandpaper, then assemble them and apply grease
to prevent corrosion.
22. After installation, checkthatall tubes, hosesand
connectors are installed correctly.
23. Inspectforfuel 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 thls operation two or three times, then
check for fuel leakage at any point in the fuel line.
24. Refillthe radiator with engine coolant, and bleed
air from the cooling system with the heater valve
open (see page 10-6).
25. Inspect the idle speed (see page 11-'138).
26. Inspect the ignition timing (see page 4-17).
Gylinder Head Cover lnstallation
1. Thoroughly clean the head cover gasket and the
groove.
2. Installthe head cover gasket (A) in the groove of
the cylinder head cover (B).
Check that the mating surfaces are clean and dry.
Apply liquid gasket. P/N 08718-0009, on the chain
case and the No.5 rocker shaft holder mating areas.
NOTE: Do not install the parts if 5 minutes or more
have elapsed since applying liquid gasket. Instead,
reapply liquid gasket after removing old residue.
(cont'd)
6-41

1.
2.
Water Pump Inspection
Remove the drive belt (see page 4-26),
Turn the water pump pulley counterclockwise.
Check that it turns freely.
Check for signs of seal leakage. A small amount of"weeping" from the bleed holes (A) is normal.
Water Pump Replacement
1. Remove the drive belt (see page 4-26).
2. Drain the engine coolant {see page 10-6).
3. Remove the crankshaft pulley (see page 6-11).
4. Remove the six bolts securing the water pump,
then remove the water pump (A).
6x1.0mm12 N m {1.2 kgt m,8.7 rbf.ft)
Inspect and clean the O-ring groove and mating
surface with the water passage.
Installthe water pump with new O rings in the
reverse order of removal.
7. Clean up any spilled engine coolant.
8. Installthe crankshaft pulley (see page 6-12).
L Refill the radiator with engine coolant, and bleed
air from the cooling system with the heater valve
open {see page 10-6}.
10-5

Interior Trim
Trim Removal/lnstallation - Door Area
NOTE:. Put on gloves to protect your hands.. When prying with a flat-tip screwdriver, wrap it with protective tape to prevent damage.. Take care not to bend or scratch the trim and panels.
1. Remove the trim as shown. To remove the door silltrim and B-pillar upper trim, remove the rear side trim panelas necessary (see page 20-51).
2. Installthe trim in the reverse order of removal, and note these items:
. Replace any damaged clips.. Apply liquid thread lock to the anchor bolts before reinstallatior,.. Before installing the anchor bolts, make sure there are no twists or kinks in the belts.
Fastener Locations
B>rClip,3 C>:Clip,?{White)
FRONT SEAT BELTUPPER ANCHOR BOLT7/16-20 UNF32 N m (3.3 kgf m,24 lbf.ft)
A-PILLAR TRIM
il-::7
/ ao----- LowER ANcHoR cAP
FRONT SEAT BELT LOWERANCHOR BOLT7/16-20 UNF32 N.m (3.3 kgt.m,24lbl.ftl
,"lF
{
A >: Clip,2(Black)
2ffi
Tl|t
\
KICK PANEL
REAR SIDE TRIM PANEL
20-50

Trim Removal/lnstallation - Rear Side Area
NOTE:. Put on gloves to protect your hands.. When prying with a flat-tip screwdriver, wrap it with protective tape to prevent damage.. Take care not to bend or scratch the trim and panels.
'1. To remove the rear side trim panel, remove these items:
. Rear seat cushion and rear seat-back (see page 20-80). Cargo floor mat and cargo area floor (see page 20-52). Rear trim panel {see page20-52)
Remove the trim as shown. On the right side, disconnect the cargo compartment light connector.
Installthe trim in the reverse order of removal, and note these items:
. Replace any damaged clips.. Make sure the cargo compartment light connector is plugged in properly.
.lfthethreadsontherearsidetrimpanel mounting self-tapping ET screws are worn out, use an oversized self-
tapping ET screw (P/N 90137-S1A-Eo1 1) made specifically for this application.. When installing the rear side shelf, slip the rear seat belt through the slit in the trim.' Apply iiquid thread lockto the anchor bolts before reinstallation.. Before installing the anchor bolts, make sure there are no twists or kinks in the belt.
2.
3.
Fasten€r Locations
A>:Clip,11 B > rClip,2
SELF-TAIscREws5x0.8mm
{0.4 kgf m,3lbf.ft)
REAR BULKHEAOCOVER
TRIM
SIDE SHELF
REAR SEAT SELT
SIDE TRIM PANEL
SEATSTRIKER CAP
FRONT SEAT AELTLOWER ANCHOR BOLT7/16-20UNF32 N.m{3.3 kgf m,24lbt.tt)
c>rClap,l
-..:.:'
SILL TRIM
.F.-*-.n. \::: :\,/ I
,/ \*JREAR SEAT BELT LOWER \ANCHOF BOLT \7/16-20UNF \32 N m (3.3 kgf m, 24 lbf ft, \LOWERREAR SPEAKER COVERANCHOR CAP
20-51

Seats
Front Seat Removal/lnstallation (cont'dl
Lift up the front seat, then detach the harness clip(A). and disconnect the seat belt switch connector(B) and seat belt buckle tensioner connector (C). lf
equipped with a side airbag, disconnect the side
airbag connector (D), and on the passenger's seat,
disconnect the OPDS unit connector (E). The
passenger's seat is shown, the driver's seat is
similar except it has no OPDS unit connector.
With the help of an assistant, carefully remove the
front seat th rough the front door opening.
Installthe seat in the reverse order of removal, and
note these rtems:
. l\4ake sure each connector is plugged in properly.
. Apply liquid thread lock to the seat mounting
bolts before reinstallatlon.. Reconnect the negative cable to the battery.. Enter the anti-theft code for the radio, then enter
the customer's radio station presets.
. Reset the clock.. Do the ECM/PCM idle learn procedure (see page
1 1-139).
6.
7.
20-72

Seats
Front Seat Cover Replacement {cont'd)
Seat Cushion Cover
1. Remove the front seat (see page 20,71).
2. Remove these items from the front seat:
. Recline cover, driver's seat (see page 20-73)passenger's seat {see page 20-7 4l. Front seat belt buckle {see step 4 on page 23-6)
3. From underthe seat cushion, detach the side
airbag connector clip, and on the passenger's seat,detach the OPDS unit connector clip. Release the
hook springs from the seat cushion frame spring,
then pull the guide cover back, and remove the
wire ties.
4. Release the hooks (A).
Inside:
20-78
Outside:
Release the seat-back cover (A)from the cushion
frame spring (B), and release the hooks (C) from
under the seat cushion.

Seats
Rear Seat Removal/lnstallation
NOTE: Take care not to scratch the body or tear the seat covers.
'1. Remove the rear seat as shown. To remove the seat-back, remove the front portion of the cargo floor mar lseepage 20-52).
2. Install the seat in the reverse order of removal, and note these items:
'Beforeinstallingthecenteranchorboltsontheseat-backwiththecentershoulderbelt,makesurethereareno
twists or kinks in the belt.. Make sure the seat-backs lock securelv.
Fastener Locations
A>:Bolt,2 B>rBolt, 1 C>:Bott, 1D >: Clip, 2
lltl
agrf(1
Vt-r_r+*.
\'7
CUSHION
6x1.0mm9.8Nm{1.0 kgf.m,7.2lbf.ft)
/-<.{\.-- F.i\-- K\-|J].Pt-HAP
CENTER PIVOT BOLT8 x 1.25 mm22 N.m{2.2 kgf.m, 16lbf.ftl
RIGHT SEAT-BACK
CENTER BELT
PIVOT BUSHING
CENTER ANCHOR BOLT7/16-20 UNF32Nm(3.3 kgf m.24 lbt ftl
SEAT BELT BUCKLE
8 x 1.25 mm22 N.m 12.2 kgt m, 16lbf.ft)
SEAT.BACKCENTER HINGE
BUSHING
LEFT SEAT.BACK
PIVOTBUSHING
HOOK
20-80
SEAT