2003 HONDA CIVIC drain

Gooling System
Thermostat Replacement
1. Drain the engine coolant (see page 10-6).
2. Remove the splash shield (see step 23 on page 5-5).
3. Remove the lower hose, then remove the thermostat.
6x 1.0 mm9.8 N.m(1.0 kgf.m,7.2lbf ft)
a
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-
LOWER HOSE
4. Installthe thermostat with a new O-ring, then installthe lower hose.
5. Installthe splash shield (see step 22 on page 5-12).
6. Refillthe radiator with engine coolant, and bleed air from the cooling system with the heater valve open (see page
10_6).
THERMOSTAT
10-8
\_

Cooling System
Radiator and Fans Replacement
1. Drain the engine coolant (see page 10-6).
2. Remove the front bumper {see page 20,85).
3. Remove the bulkhead.
4. Remove the upper radiator hose and lower radiator hose.
DRAIN PLUG
UPPER BADIATOR HOSE
BAOIATOA FANASSEMBLY
{
O.RINGRADIATOR CAP
BADIATOB
LOWERCUSHION
\-
RADIATOR FANswtTcH24Nm{2.1t kgl m. 17lbl hl
LOWER FADIATORHOSE
RESERVETANK
A/C CONDENSERFAN ASSEMBLY
9.8 N m {1.0 kgf m,7.2 lbf ft)CONNECTORSRADIATOB FAN SWITCHCONNECTOB
5. Disconnect the fan motor connectors and radiator fan switch connector, then pull the radiator up and out.
6. Remove the fan shroud assemblies and other parts from the radiator.
7. Installthe radiator in the reverse order of removal. Make sure the upper and lower cushions are set securelV.
8. Install the bulkhead in the reverse order of removal. Apply body paint to the bulkhead mounting bolts.
9. Fill the radiator with engine coolant and bleed the air (see page 10-6).
10-10
\.

Fuel Supply System
Fuel Pulsation Damper Replacement
1. Relieve the fuel pressure(seepagell-144).
2. Remove the engine cover.
3. Remove the fuel rail mounting nuts from the fuelrail.
4. Remove the ground cable (G 101.
5. Raise the fuel rail.
6. Place awrench (A) onthefuel rail (B).
7. Place a wrench (C) onthefuel pulsation damper (D).
8. Remove the pulsation damper.
9. Installthe fuel pulsation damper in lhe reverse
order of removal with new washers.
NOTE:. Replace all washers wheneve r the fuel pulsation
damper is loosened or removed,. lf the drain hole (A) ofthefuel pulsationdamper
cover does not face bottom, reinstall it as shown.
11-154

Fuel Tank Replacement
Relievethefuel pressure (see page 11-144).
Drain the fuel tank: Remove the fuel pump (see page 1 1-153). Using a hand pump, hose, and container suitable for
gasoline. draw the fuel from the fuel tank.
Jack up the vehicle, and suppon it with safety stands.
Remove the fuel pipe cover (A). Disconnect the fuel vapor hose and quick-connect fittings.
Disconnect the hoses. Slide back the clamps (B), then twist the hoses as you pull to avoid damaging them.
A 38 N.m(3.9 ksf.m,28lbfft)
5. Place a jack or other support under the tank.
6. Removethe strap bolts, and letthestrap (C) hangfree.
7. Remove the fuel tank (D). lf itstickstothe undercoaton its mount, carefully pry itoffthe mount
8. Install the parts in the reverse order of removal.
1.
2.
3.
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11-155

Transmission Fluid Inspection and
Replacement
'1. Park the vehicle on level ground, and turn the
engine OFF.
2. Remove the oilfiller plug (A) and washer (B), check
the condition of the fluid, and make sure the fluid is
at the proper level (C).
lf the transmission fluid is diny, remove the drain
plug (D) and drain the fluid.
A44 N.m{4.5 kgt.m,33 rbr.ftl
Reinstall the drain plug with a new washer, and
refill the transmission fluid to the proper level.
Oil Capacity
1.5 0 (1.6 US (F) at tluid change
1.7 0 {1.8 US qt) at overhaul
Always use Honda Manual Transmission Fluid
(MTF). Using motor oil can cause stiffer shifting
and noise because it does not contain the proper
additives.
Reinstall the oil filler plug with a new washer.5.
13-3
Back-Up Light Switch Test
1. Disconnectthe back-up light switch (A) connector.
Check for continuity between the back up light
swilch 2P connector No. 1 and No.2 terminals.
There should be continuity when the shift lever is in
reverse.
lf necessary, replace the back-up light switch.
Apply liquid gasket (P/N 08718-0001), and install it
on the transmission housing.
2.
3.

Manual Transmission
Transmission Removal (cont'd)
15. Remove the transmission mount bracket (A) and
transmission mounting bolt (B).
Remove the air cleaner bracket {C).
Raise the vehicle, and make sure it is securely
supponed.
Drain the transmission fluid. Reinstall the drain bolt
with a new washer (see page 13-3).
Remove the splash shield.
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17.
18.
19.
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13-6
20.
21.
22.
23.
Remove the three way catalytic converter (TWC)
assembly (see step 30 on page 5-5)
Remove the driveshafts (see page 16-3).
Remove the intermediate shaft {see page 16-19).
Remove the front engine mount bracket mounting
bolt.
Remove the three bolts securing the transmission
rear mounI.
24.

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Exploded View-Transmission Housing
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{i) 80 mm SHIM
0 8 x 14 mm DOWEL PIN
[A CHANGE LEVER ASSEMBLY
a0 6 mm FLANGE BOLT12 N m {1.2 kgf.m,9 lbf ft}
O DETENT BOLT22 N.m {2.2 kgf.m, 16lbf.ft)
O 12 mm waSHERReDlace.
(D SPRING
[I STEEL BALL(D TRANSMISSION HANGER B(9 CLUTCH LINE CLIP BRACKET
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O=-rlF,z
O TRANSMISSION HOUSING
O 10 mm WASHERReplace.
@ 10 mm FLANGE BOLT44 N.m {4.5 kgf.m,33lbf.ft)
O 8 mm FLANGE BOLT27 N.m 12.8 kgf m,20lbl.ft)
.' TRANSMISSION HANGER A
O INTERLOCK BOLT39N m (4.0ksf.m,29lbf.ft)
O OIL GUIOE PLATE M
€.1 72 mm SHIM
.' OIL GUTTEB PLATE
,-1 _\(g/----------__-
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\-/r*---------..-,
@) 20 mm WASHERReplace.
q,] FILLER PLUG44 N m {4.5 kgf.m,33 lbf.ft)
@ 40 x 56 x 8 mm OILSEALReplace.
qO 14 mm WASHERReplace.
q' DRAIN PLUG39 N.m (4.0 kgf.m,29 lbf.ftl
@ 32 mm SEALING CAP34 N m (3.5 kgf.m, 25 lbf.ft)
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(cont'd)
13-15

Manual Transmission
Transmission Disassembly (cont'd)
NOTE: Place the clutch housing on two pieces of wood
thick enough to keep the mainshaft from hitting the
workbench.
1. Remove the detent bolts (A), springs, steel balls,
and back-up light switch (B).
Remove the vehicle speed sensor (VSS) (A) and
O-ring (B).
13-16
3, Remove the interlock bolt (A), the change lever
assembly (B), 8 x 14 mm dowel pins (C), andthe
clutch line clip bracket {D).
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Remove the drain plug (A), filler plug (B), and
10 mm flange bolt (C).