Radiator HONDA INTEGRA 1994 4.G Workshop Manual

Warning/Caution Label Locations
(cont'd)
SERVICE INFORMATION
C)
SPARK PtUG
II{FORMATIONBATTERY CAUTION
AIR CLEAI{€R, RECOM-
MENDEO OIL and
FILTER SERVICE
RADIATOR CAP
CAUTIOI{
TIRE INFORMATION
{300()R)
TIRE INFORMATIOII
t4DOOR)
1-8

Standards and Service Limits
Engine Lubrication - Section g
Cooling - Section t0
ng the coolant in the reservoir and that remaining in the engine.
eclton u _
MEASUREMENTSTANDARD INEW}SERVICE LIMTT
g talter
tiher
g filter
Engine oilCapacity etaet engine
f (US qt, lmp qt)
818C1 engine
Inner-to-outer rotor clearance
Pump horising-to-outer rotor clearance
Pump housing-to,rotor axial clearance
rressure setting at engine oil temp. 176.F {gO.Ct
kPa lkgtcm,, psi) At idte
At 3,000 rpm
4.6 {4.9, 4.0}tor engine overhaul
3.8 (4.0, 3.3) for oil change, inctudin
3.513.7, 3.11 for oil change, without
4.8 {5.1, 4.2) for engine overhaul
4.0 (4.2, 3.5) lor oit change, includin
3.7 i3.9 3 3l fdr ^il .hi
Oil pump
0.04 - 0.16 (0.002 - 0.006)
0.10 - 0.19 (0.004 _ 0.007)
0.02 - 0.07 (0.001 , 0.003)
0.20 (0.008)
0.21 (0.008)
0.1s (0.006)
Relief valve
70 (0.7, 10) min.
3{0 {3.5,50) min.
MEASUBEMENTSTANDARD INEWI
RadialorCoolant capacity I {US qt, lmp
I Including engine, heater, I
I cooling line and reservoir I
Reservoir capacity:
0.61 (0.63 US qt,0.53 tmp qt)
q0 81881 engine
818C1 engine
Opening pressure kPa (kgf/cm?, psi)
start to open oF (.C)
Fully open .F (.C)
Valve lift at fully open
lhermoswitch "ON" temperature .F {oC)
Thermoswitch "OFF" temporature "F (.C)
M/T: 6.4 (6.8, 5.6)tor overhaul
4.4 (4.6.3.9) f6r s66lsn1gh66q.*
A,rf: 6.7 {7.1, 5.9) for overhaul
4.7 {5.0, 4.1) for coolant chanoe*
M/T: 6.7 {7.1, 5.9} for overhaul
4.7 {5.0, 4.1) for coolant chanoe*
,3 - 113 toss - trs, r3= Jt&
-
196 - 203 (91 - 95)
Subtract 5 - 14 (3 - 8) from actuat -ON',
169 - 176
194 (90,
8.0 (0.31)
{76 80}
temperature
Radiator cap
Thermostst
Cooling fan
3-6

19. Remove the radiator cap.
@@ u"" care whan removing the ladiatol
cap to avoid scalding by hot engine coolant ol ateam.
20. Raise the hoist to full height.
21. Remove the front tires/wheels and the splash shield.
Drain the engine coolant (see page 1O-5).
a Loosen the drain plug in the radaator.
Drain the transmission oil or fluid. Reinstall the dtain
plug using a new washer.
Drain the engine oil. Reinstall the drain plug using
a new wasner.
CAUTION: Do not overtighten tho drain plug.
22.
24.
6 x 1.O mm9.8 N.m (1.0 kgf'm'7.2 tbf.ft)26.
25. Remove the upper and lower radiator hoses and the
heater hoses.
LOWER RADIATORHOSE
(Automatic transmission) Remove the ATF cooler
hoses.
{cont'd)
UPPER RADIATOR
HOSE
5-7

*l
Engine Removal/lnstallation
(cont'dl
27. Remove the radiator assembly {see page 1O-4),
28. Remove the A/C compressor.
a Do not disconnect A/C hoses.
8 x '1.25 mm24 N.m t2.4 kgf.m, 17 lbl.ftl
29. Disconnect the heated oxygen sensor (HO2Sl con-nector, then remove exhaust pipe A.
B'l8Cl engine: Ho2s
I x 1.25 mm24 N.m (2.4 kgf.m,17 rbt.ftt
Replace.
SELF-LOCKING NUT8 x 1.25 mm16 N.m 11.6 kgf.m,12 tbl.ftlReplace.
EXHAUSTPIPE A
SELF10 x 1.25 mm54 N.m (5.5 ksf.m.4O lbf'ltlReplace.
CONNECTOR
5-8
8188l engine:
8 x 1.25 mm24 N.m 12.4 kgf.m,17 tbt.trl
GASKETReplace.
GASKETReplace.
SELF.LOCKING NUTI x 1.25 mm16 N.m (1.6 kgt.m,12 tbf.ft)Replace.10 x 1.25 mm54 N.m (5.5 kgl.m,40 tbt.ttlReplace.
30. Remove the shift rod and extension rod {M/T).
I x 1.25 mm22 N-m 12.2 kgf.m, '16 lbf.ftlSHIFT ROD

Gylinder Head
Removal
I
t
Engine removal is not required for this procedure.
CAUTION: To avoid damaging tho cylinder head, wait
until tho ongino coolant temporature drops bolow 100"F
{38"C) beforo loo36ning the rotainin0 bolts.
NOTE:
. Inspect the timing belt before removing the cylinder
neao.
. Turn the crankshaft pulley so that the No. 1 piston is
at top dead center (TDCI (page 6-12).
. Mark all emissions hoses before disconnecting them.. Anti-theft radios have a coded theft protection circuit.
Be sure to get the customer's code number before.- Disconnecting the battery.- Removing the No. 32 (7.5 A) fuse irom the under-
hood fuse/relay box.- Removing the radio.
After service, reconnect oower to the radio and turn it
on.
When the word "CODE" is displayed, enter the cus-
tomer's 5-digit code to restore radio operation.
1. Disconnect the negative terminalfrom the battery.
2. Drain the engine coolant (see page 10-5).
. Remove the radiator cap to speed draining.
3. Relieve fuel pressure (see Section 1 1).
@ Do not smoke whils working on tusl
systom, keep opon flame or spark away trom work
area. Drain fuol only inlo an approvod containsr.
4. Disconnect the fuel feed hose.
SERVIC€ BOLT
WASHERSReplace.
5, Remove the intake air duct.
Remove the breather
evaporative emission
hose, water bypass hose and(EVAP) control canister hose.

Cylinder Head
Removal (cont'dlI
12.R€move the spark plug caps and distributor from
the cvlinder head.
Remove the upper radiator hose, heater hose and
water bypass hose.
UPPER RAI'IAYOR
14. Remove th6 solash shield.
WATER BYPASS
9.8 N.m {1.0 kgt m.t.2 tbr.frt
sHtEut
15. Remove the engine ground cable.
Remove the adjusting bolt and mounting bolts, then
remove the power steering (P/S) pump belt 8nd P/S
pump.
. Do not disconnect the P/S hoses.
6x1.0mmADJUSTINGBOLT9.8 N.m 11.0 tgfm,7.2 tbf.ftl
8 x 1.25 mm24 .m (2.akstm, 17lbf.ftl
P/S PUMP
Remov€ the air conditioning (Ay'Cl compressor(see pags 6-10).
R€move the alternator belt (see page 6-10).
Ramove the cruise control actuator.
8 x 1.25 mm2a N.m 12.4 kgt m,
belt
17.
t8
ACTUATOR

Cylinder Head
Removal
Engine removal is not required or this procedure.
CAUTION: To avoid damaging tho cylinder head, wail
u[tilths.nginc coolant tsmperaturo drops bolow 100"F(38'Cl bafore loos6ning tho retaining bolts.
NOTE;
. Inspect the timing belt before removing the cylinder
head.
Turn the crankshaft pulley so that the No. 1 piston is
at top dead center (TDc) {page 6-51).
Mark all emissions hoses betore disconnecting them.
Anti-theft radios have a coded theft protection circuit.
Be sure to get the customer's code number before- Disconnecting the battery.- Removing the No.32 (7.5 A) fuse trom the under-
hood fuse/relay box.- Removing the radio.
After service, reconnect power to the radio 8nd turn it
on.
When the word "CODE" is displaved. enter the cus-
tomer's 5-digit code to restore radio operation,
Disconnect the negative terminal from the battery.
Drain the engine coolant (see page 10-5).
. Remove the radiator cap to speed draining.
Relieve fuel pressure (see section 111.
l@ Do not 3moke whilo working on fuel
a
a
'1.
systgm. ko6p opon tlamo ot Spark away trom work
aroa. Drain fugl only into an approved containsr,
4. Disconnect the fuel feed hose.
SERVIC€ BOLT15 N.m (1.5 kgtm, rl bf.tt)WASHERSReplace.
BANJO BOLT
5. Remove th€ strut brace,
6. Remove the intake air duct.
8 x 1.25 mm24 N.m (2.1kg[.m, 17 lbtftl
INTAKE AIR
(cont'd)
6-55

ll.Remove the engine wire harness connectors and
wi.e ha.ness clamps from the cylinder head and the
intake manitold.
Four fuel injector connectors
Intake air tempe.ature {lAT) sensor connector
Engine coolant temperature (ECT) sensor con-
nector
TDC/CKP/CYP sensor connector
lgnition coil conn€ctor
ECT gauge sending unit connector
Throttle position (TP) sensor connector
VTEC solenoid valve connector
VTEC Dressure switch connector
Manifold absolute pressure (MAP) sensor con-
nector
ldle air control {lAC) sensor connector
EVAP purge controlsol€noid valvo connector
Intake air bypass {lABl control solenoid valve
conneclor
a
o
a
o
a
a
a
a
a
a
a
a
a
12.
13.
Remove the spsrk plug caps and distributor from
the cylinder head.
Remove the upper radiator hose, heat€r hose and
water bypass hose.
WATER BYPASS
HOSE
6r1.0mm9.8 N.m (1.0 kgt m,1.2 tbtftl
14. Remove the sDlash shield.
Remove the engine ground cable.
Romovo the adjusting bolt and mounting bolts, then
remove the power steering (P/S) pump belt and P/Spump.
. Do not disconnect the P/S hoses.
(cont'dl
15.
6x1.0mm9.8 N.m 11.0 kgl.m,7.2 tbt.ttl
6-57
,l

Cooling
lllustrated Index
Radiator
Replacement ............................... 1 O-4
Engine Goolant Refilling and
Bleeding10-5
Cap Testing ............... 10-6
Pressure Testing ......... 10-6
Thermostat
Rep|acement ............................... 1 O-7
Testing .....1O'7
Water Pump
lllustrated Index ......... . 10-8
Inspection .10-9
Replacement ............................... 1 O-9
10-2

lllustrated Index
@ sy"t". is under high plessure when engine
is hot. To avoid dsnger of relsssing scalding engine
coolant. remove cap only when engine is cool.
Total Cooling System Capacity (lncluding heater and
r€servoirl
Bl8Bl engine:
Mfl: 6.4 | {6.8 US qt, 5.6 lmp qt}
AlTt 6.7 | {7.1 US qt, 5.9 lmp qt}
Bl8Cl engine:
Mfi: 6.7 t {7.1 US qt, 5.9 lmp qt}
CAUTION: lf any engine coolant spills on paint€d por-
tions ot the body, rinse it ofl immediately.
NOTE:
a Check all cooling system hoses for damage. leaks or
deterioration and replace if necessary.
a Check all hose clamps and retighten if necessary.
a Use new O-rings when reassembling.
CONDENSERFAN SHROUD{soe soction 221
6 x 1.O mm7 N.m (O.7 kgt.m. 5 lbf.ftl
ATF COOLERHOSES{81881 6ngine)
RADIATOREngine coolant refilling and bleeding,page 10-5Leak test, page 'l0-6
Inspect soldered joints andseams for leaks.Elow out dirt from betweencore fins with compressed air.lf insects, etc., are clogging.adiator, wash them off withlow pressure water,
S!
P
R
U
COOLANTRESERVOIR
5x0.8mm4.4 N.m (O.45 kgf.m,3.3 lbl.fr)
M/T: Manual t.anamiaaionA/T: Automatic t.ansmiasionATF: Automatic t.ansmission fluid
\*
*)
FAN SHROUD
10-2