2003 HONDA CIVIC oil change

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Lubrication
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|temMeasurementOualificalionStanderd or New Service Limil
Engine oilCapacity5.3 0 (5.6 US qt)for engine overhaul
4.2 0 (4.4 US qt) for oil change, including filter
4.0 0 (4.2 US qt)for oil change, without filter
Oilpumplnner-to outer rotor clearance0.02 0.16 mm {0.001 0.006 in.)0.20 mm (0.008 in.)
Pump housing to outer rotor
clearance
0-15 0.21 mm {0.006-0.008 in.)0.23 mm (0.009 in.)
Pump housing-to-rotor axial
clearance
0.02 0.07 mm (0.001 0.003 in.)0.12 mm (0.005 in.)
Balancer shafts, journal diameterNo. 1 journal, front
shaft
19.938 19.950 mm 10.7850 0.7854 in.)19.92 mm (0.784 in.)
No 1 journal, rear shaft23.938 23.950 mm (0.9424 0.9429 in.)23.92 mm (0.942 in.)
No. 2 journal, front and
rear shaft
32.949 32.961 mm 11.2912 1.2911 in.l32.93 mm (1.296 in.)
Ealancer shafts, journal taper0.005 rnm (0.0002 in.) max.
Balancer shafts, end playFront0.070 0.135 mm (0.0028 0.0053 in.)0.15 mm (0.006 in.)
Rear0.070 0.135 mm (0.0028 0.0053 in.)0.15 mm (0.006 in.)
Balancer shatts, shaft-to'bear;ng
clearance
No. 1 iournal, front
shaft
0.050 0.082 mm (0.0020 0.0032 in.)0.10 mm (0.004 in.)
No. 1 Journal, rear shaft0.050 0.082 mm (0.0020 0.0032 in.) 0.10 mm (0.004 in.i
No. 2 journal, front and
rear shafl
0.060 -0.120 mm (0.0024 0.0047 in.) 0.15 mm (0.006 in.)
Balancer shaft bearings, LD.No. 1 journal, front
shaft
No. 1 iournal, rear shaft
20.000 20.020 mm (0.1814 0.7442 in.l
Z+.OOO ZI.OZO m- tOSa+e- OSa57 ir'.)
20.03 mm (0.789 in.)
24.03 mm (0.946 in.)
No. 2 journal, front and
rear shaft
33.021 33.069 mm (1.3000 1.3019 in.)33.09 mm {1.303 in.)
Reliefvalve, oil pressure with oil
temperature at 176'F (80"C)
At idle70 kPa (0.7 kq?cm , 10 psr) min.
At 3,000 rpm300 kPa {3.1 ksf/cm',44 psi)min.
Standard or New Service Limit
6.7 L (7.1 USCoolant capacity {includes engine,
heater, hoses, and reservoir)
0.53 L (0.56 US
93 123 kPa (0.95 1.25 kqtcm , 14 18 psi)'t69 176'F (76 80'C)Thermostat OPeningtemPerature
8.0 mm {0.31 in.) min.
Turns OFF Subtract 5 15'F (3 8"C)from actual ON

Do the items in parts A, B, C, D, and E as required for mileage/time interval listed.
AReplace engine oillsee page 8-5i. Capacity without lilter change: 4.0 S (4.2 US qt, 3.5 lmp qt)Rotate tires. Follow the pattern shown in the Owner's Manual Checktire information and condition.
BReplace engine oil filter lsee page 8-6). Capacity with filter change: 4.20 (4.4 US qt, 3.7 lmp qt)Inspect front and rear brakes (see page 19 3i.. Check pads and djscs for wear (thickness), damage, and cracks.' Check calipers tor damage, leaks, and tjghtness ot mount bolts.Check parking brake adjustment. Should be Iully applied within 7 to I clicks.Inspect tie rod ends, steering gearbox, and boots {see page 17 5).. Check rack grease and steering linkage.. Check boots for damage and leaking grease. Chack fluid line {or damage and leaks.lnspect suspension components.. Chock bolts fo r tig htness.. Check condition of ball ioint boots lor deterioration and damage.Inspect driveshaft boots. Check boots for cracks and boot bands for tightness (see page 16-3).Insp€ct brake hoses and lines {including ABS). Checkthe mastercylinder, proponioning control valve, and ABS modulator{or damageand leakage.Check all fluid levels and condition ot tluids; check for leaks. lf necessary, add MTF lsee page 13'3), engioe coolant, brake fluid, and
Lwindshield washer fluid.lnspectexhaust system*. Check catalytic converter heatshield, exhaust pipe and mufflerfordamage,leaks, and tightness {soe page 9,8).lnspect {uel lines and connections*. Check for loose connections, cracks and deterioration; retighten loose connoctions and replacedamaged parts (s€e page 11 146).
InsDect and adiust drive belt.. Look for cracks and damage, and inspect auto tensioner (needs no adjustment).Replace the dust and pollen lilter (see page 21 39).. Replacethe dustand pollen filter whenever airf low lrom the heating and cooling system is lessthan normal.
Replace air cleaner element every 30,000 miles (48,000 km) (independent of time).
l
D
Ei I Replace brake fluid every 3 years (independent oI mileage).
According to state and federal regulations, failure to do the maintenance items marked with asterisk( * ) will not void customer's emissionswarranties. However, Honda recommends that all maintsnance service be done at the recommended interval to ensure long term reliability.
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3-5

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A
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Do the items in parts A, B, C, D, E, F, and G as required for mileage/time interval listed.
Feplace engine oil(see pageS 5). Capacity withoutlilter change:4.0 q (4.2 US qt,3.5lmp qt)
Replace engjne oil filter (see page I 6). Capacity with filter change: 4.2 0 14.4 US qt, 3.7 lmp qt)Insoect front and rear brakes,. Check pads and discsforwearlthickness), damage, andcracks.. Check calipers for damage, leaks, and tightness of mount bolts.Lubricate door locks, latches and hinges with Honda white lithium grease.Rotate tires, if the vehicle has been driven the distance listed. Follow the pattern shown in the Owner's Manual-Check tire inflaron aoocondition,Inspecttie rod ends, steering gearbox, and boots (see page 17,5).. Check rack grease and steering linkage.. Check boots for damage and leaking grease.. Checklluid linefordamage and leaks.Inspect suspensron components. Check bolts for tightness.. Check condition of ball joint boots for deterioration and damage.Inspect driveshaft boots. Check boots for cracks and boot bands for tightness (see page 16-3).
Check parking brake adjustment. Should be fully applied within 7 to 9 clicks.Insp€ct brake hoses and lioes. (including ABS). Check the master cylinder, proportioning control valve, and ABS modulator for damageand leakage (see page 19-24).Check all fluid levels and condition ot lluids; check for leaks. lf necessary, add MTF (see page 13 3), engine coolant, brake fluid, andwindshield washer f luid.Inspect exhaust system*. Check catalytic converter heat shield, exhaust pipe and muffler for damage, leaks, and tightness (see page 9 8).Inspect fuel lines and connections*. Check for loose connections, cracks and deterioration; retighten loose connections and replacedamaged pans (seo page 11'146).Check alllights. Checkfunction otallinterior and exterior lights, andthe position ofthe headlights (see page 22-68).Inspect the v€hicle underbody. Check the paint for damage, scratches, stone chippin0, and dents.
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InsDect and adiust drive belt.. Look tor cracks and damage, and inspect auto tensioner {needs no adjustment).Reolace dust and oollen filter.
Replace air cleaner element every 15,000 miles 124,000 km) in dustv condition {independent ol timei otherwise use Normal Conditionsscredule (see page 11-162).
lReplaceaircleanerelementevery30,000miles(48,000km)(independento{timei(seepagell-162).
Replace brake fluid every 3 years (independent oJ mileagei.
Replacethe dust and pollen Iilter every 15,000 miles ifvehicle is driven mostlywhere air has high concentration olsootfrom industryanddiesel powered vehiclesj also replace the dust and pollen filter anytime aarflow is less than ussal (see pags 21-39).
According to state and federal regulations, failure to do the maintenance items marked with asterisk (*) will not void customer's emissionswarranties. However, Honda recommends that all maintenance services be done at the recommended interval to ensure long-term reliability,
3-7

Valves, Springs, and Valve Seals Installation
Special Tools Required
Valve spring compressor attachment 07VAE-00101 0A
1. Coat the valve stems with engine oil. lnstall the
valves in the valve guides.
2. Check that the valves move up and down smoothly.
Installthe spring seats on the cylinder head.
Install the new valve seals (A) using the valve guide
seal installer (B).
NOTE: The exhaust valve seal (C) has a black spring(D), and the intake valve seal (E) has a white spring(F). They are not interchangeable.
6.
lnstallthe valve spring. Place the end ofthe valve
spring with closely wound coils toward the cylinder
n eao.
Install the valve retainer.
Installthe valve spring compressor, Compress the
spring, and install the valve keepers. Remove the
valve spring compressor.
Lightly tap the end of each valve stem two or three
times with a plastic mallet (A) to ensure proper
seating of the valve and valve keepers. Tap the
valve stem only along its axis so you do not bend
the stem.
7.
6-37

Engine Oil Replacement
Warm up the engine.
Remove the drain bolt (A), and drain the engine oil.
nA
44 N.m {i1.5 kgf.m,33 lbf.ft)Do not overtighten.
Reinstall the drain bolt with a new washer (B).
Refillwith the recommended oil (see page 3-2).
Capacity
4.0 0 (4.2 US qt) at oilchange.
4.2 014.4 US qt) at oilchange including filter.
5.3 015.6 US $) after engine overhaul.
Run the engine for more than 3 minutes. then check
for oil leakage.
1.
2.
3.
5.
8-5

wEc/wc
The i-WEC has a VTC (Variable Valve Timing Control) mechanism on the intake camshaft in addition to the usual
VTEC.
This mechanism improves fuel efficiency and reduces exhaust emissions at all Ievels of engine speed, vehicle speed.
and engine load.
The VTEC mechanism changes the valve lift and timing by using more than one cam profile.
The VTC changes the phase of the intake camshaft via oil pressure. lt changes the intake valve timing continuously.
HIGH
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LOW <-ENGINE SPEED
Drivino ConditionVTC ControlDescriDtion
Qr Light-loadBase PositionCam angle is retarded to reduce the entry of exhaust
gas into the intake port and to achieve stable fuel
consumDtion durinq lean bu rn.
?l M ed iu m/h ig h-loadAdvance ControlCam angle is advanced for EGR effect and to reduce
this pumping loss. The intake valve is closed quickly
to help reduce the entry of airlfuel mixture into the
intake port and improve the charging effect.
€) High speedAdvance-Base PositionCam phase angle is controlled for optimum valve
timinq and maximum enoine oower.
{cont'd)
11-29

PGM-FI System
IDTC Troubleshooting (cont'dl
DTC P0301: No. 1 Cylinder Misfire
DTC P0302: No. 2 Cylinder Misfire
DTC P0303: No. 3 Cylinder Misfire
DTC P0304: No. 4 Cylinder Misfire
1. After checking and recording the freeze data, reset
the ECM (see page 1 1-4). lf there is no freeze data of
the misfire, just clear the DTC.
2. Start the engine, and listen for a clicking sound
from the injector at the problem cylinder.
Does the injector click?
YES-Go to step 3.
NO-Go to step 30.
3. Turn the ignition switch OFF.
4. Exchange the ignition coil from the problem
cylinder with one from another cylinder,
5. Test-drive the vehicle for several minutes in the
range of the freeze data or under va rious
conditions if there was no freeze data.
6. Check for a DTC or a Temporary DTC with the scan
root.
ls DTC or Tempotaty DTC P0301, P0302, P0303
or P0304 ind icated?
YES Go to step 7.
NO Intermittent misfire due to poor contact at the
ignition coil connectors {no misfire at this time).
Make sure the coil connections are secure.l
11-72
8.
9.
1.
11.
Determine which cylinder(s) had the misfire.
Does the misf ire occur in the cylinder where the
ignition coil was exchanged?
YES Replace the faulty ignition coil.!
NO-Go to step 8.
Turn the ignition switch OFF.
Exchange the spark plug from the problem cylinder
with one from another cylinder.
Test-drive the vehicle for several minutes in the
range of the freeze data or under various
conditions if there was no freeze data.
Check for a DTC or Temporary DTC with the scan
Tool.
ls DTC ot Tempotary DTC P0301, P0302, P0303
or P0304 ind icated?
YES Go to step 12.
NO Intermittent misfire due to spark plug fouling,
etc. (no misfire at this time).1
Determine which cylinder(s) had the misfire.
Does the misl ire occur in the cylinder where the
spark plug was exchanged?
YES Replace the faulty spark plug.l
NO Go to step 13.
Turn the ignition switch OFF.
Exchange the lnjector from the problem cylinder
with one from another cylinder.
Let the engine idle for 2 minutes.
10.
14.
t5.

16.Test-drive the vehicle for several minutes in the
range of the freeze data or under various
conditions if there was no freeze data.
Check for a DTC or a Temporary DTC with the scan
Tool.
ls DTC or Temporary DTC P0301, P0302, P0303
or P0304 indicated?
YES Go to step 18.
NO lntermittent misfire due to bad contact at the
injector connector (no misfire at this time). Make
sure the injector connection is secure. Check for
poor connections or loose terminals at the
injector.l
Determine which cylinder(s) had the misfire.
Does the misf ire occur in the cylinder where the
i njector w as exchanged ?
YES- Replace the faulty injector.I
NO-Go to step 19.
Turn the ignition switch OFF.
Disconnect the ignition coil 3P connector from the
problem cylinder.
Turn the ignition switch ON (ll).
't7 .
18.
19.
20.
22. Measure voltage between ignition coil 3P
connector terminal No. 3 and body ground.
IGNITION COIL 3P CONNECTOR
Wire side ol female terminals
ls there battery voltage?
YES-Go to step 23.
NO Repair open in the wire between the No. 1
IGN COIL (15A)fuse and the ignition coil.I
Turn the ignition switch OFF.
Check for continuity between ignition coil 3P
connector terminal No. 2 and body ground.
IGNITION COIL 3P CONNECTOR
Wire side ot female terminals
ls there continuity?
YES Go to step 25.
NO Repair open in the wire between the ignition
coiland G101.1
Disconnect ECM connector A {31P)
23.
24.
(cont'd)
11-73