head HONDA INTEGRA 1994 4.G Repair Manual

Installation (B18Bl engine)
2. Adjust the length A of the piston pin driver.
A:81881 engine:49.70 mm {1.957 inl
Bl8Cl €ngin€:51.70 mm {2.035 inl
PISTON PIN DRIVER HEAD07973 - PE00320
PISTON PIN DRIVER SHAFT07973 - PE00310
PILOI COLLAR07LAF - PR30100Embossed mark facing up.
NOTE: Use a hydraulic press.When pressing pin in or out,make sure that the recessedportion of the piston alignswith the lips on the collar.
Place the piston on the piston base and press the
pin out with a hydraulic press.
1. Use a hvdraulic oress for installation.
When pressing the pin in or out, be sure to posi-
tion the recessed flat on the piston against the
lugs on the base attachment.
The arrow must face thetiming belt side o{ theengine and the connectingrod oil hole must face therear side of the engine,
otl Hols
2. Adjust the length B of the piston pin driver.
B: 49.70 mm (1.957 inl
PISTON PIN DRIVER HEAD07973 - PEfl)320
PISTON PIN DR|VEN SHAFT079?3 - PE|X)310
Embossed mark
ffi*.r,"ror","l
PILOT COLLAN07LAF - PF301(x)
PISTON PIN BASE INSERT07GAF- PH603oO
PISTON BASE HEAD07HAF - PL20t02
PISTON BASE079?3 - 6570500
NOTE: lnstall the assembled piston and rod with
the oil hole facing the intake manifold.
7-19

Piston Pins
Installation lB18C1 enginel
1. Use a hydraulic press for installation.
. When pressing pin in or out, be sure you posi-
tion the recessed flst on the piston against the
lugs on the base attachment,
Th€ arrow must tacetiming belt sid€ of rheengino.
Tho mork must tacethe timing belt sideot the engine.
PISTON PIN
fl--.l DRr
ER HEAD
I j 07e73 - PEm32o
ll t PlsroN PtN-T- \J ---..'' DRtvER sHAFr
; tl i- 07s73 - PEoo3lo
r ll-,H, -4
ilil r
Embossed m.rk ll ll-- PISTON PIN
facins up. l!-lJ
t PILOT COLLAR
I =)ffi o?LAF-PR3o1n'
r --t- 'llllrllilill
i_r_,llll,ltlllll
L-lt|lllltlll
Adjust the l€ngth B of piston pin driver.
Br 51.70 mm (2.035 inl
_- PrsroN PIN BASE INSERTO?GAF - PH6O3q)
PISTON BASE HEAD07HAF - P120102
PISTON BASE07973 - 65705U)
Inspection
Measure the diameter of the piston pin.
Pi3ton Pin Dirmltlr:
Standard lN.wl: 20.994 - 21.dlo mm(0.8265 - 0.8:168 inl
20.907 - 21.(xxt mm
(0.8267 - 0.&16S in)
Ovo.3ize:
NOTE: All replacement piston pins are oversize.
2. Zero the dial indicator to the piston oin diamater.
7-20

lllustrated Index
DRATT PIUG \44 .m (4.5 tgf.m, 33 lbf'ftl \Do not ovgr tightgn. \-@5
OIL PAI{
6 r l.O mtn121{.m 11.2 kol.m,I lbl.ttl
CAUTIOIiI: Do not ovortighten the drain plug.
81881 sngine:
WASHERReplace.
O|L BNEATHERTAIIK
eq
nU2o@
\
u
I
#-'
GASKETR6placs,
NOTE;
o Use new O-rings when reassembling.
a Apply oil to O-rings betore installation,
. Use liquid gasket, Part No. O8718-OOO1.
a Clean the oil pan gasket mating surtaces before in-
stalling it.
6 x'l.o mm12 N.m {1.2 kgt.m, 9 lbt.tt)
6 x 1.0 mm'11 N.m 11 .1 kgt'm,8lbt.ftl
6 x 1.O mmll N.m {1.1 kgf'm,
OIL SCREEN
A
,F
HEAD OILCONTROL ORIFICECIean.
I tbt.ftl
OIL FILRepl.cemont, p6gs 8-6
ENGINE OIL PRESSUREswlTcH18 .m 11.8 kgl.m, 13lbl.ftl'l/8 in. BSP lgritish StandardPioo Taporl 28 Threads/inch.Use propgr laquid 56alant.
GASKETReplace.
BAFFLE PTATE
I x 1.25 mm24 N.m 12.4 kgf..n,17 rbr.ftl
6 x 1.O mm11 N-m (1.1 kgt.m,8lbf.ft)OIL PUMPOverhaul, page 8-9lnspection page, 8-1OApply liquid gasket toblock mating surlace.(cont'dl
8-3

lllustrated Index
(cont'dl
CAUTION: Do not overtighten rhe dlain ptug.
818C1 engine:
NOTE:
a Use new O-rings when reassembling.
a Apply oil to O rings before installation.. Use liquid gasket. Part No. 08718-OOO1.
a Clean the oil pan gasket mating surfaces before in-
stalling it.
OIL PAN
Replace.
6 x 1.0 mm12 N.m 11.2 kgl.m, 9 lbf.ftl
6 x 1.0 mm11 N.m 11.1 kgt.m,S lbf.fil
OIL JET BOLT16 N.m {'1.6 kgf.m, '13 lbf.ft}
OIL JETBe careful not to damage.Inspection, page 8-8
O-RINGReplace.
EAFFLE PLATE
6xl.0mm11 N.m (1.1 kgt.m, I lbt.ft)
OIL SCREEN
GASKETReplace.
6 r '1.0 mml1 N.m (1.18 rb-trlK9-m,
O-RINGReplace.
HEAD OIL CONTROLORIFICEClean.
8 x 1.25 mm24 N.m (2.4 kg-m, 17 lb-ft)ENGINE OIL PR€SSUREswtTcH1A N.m {1.8 kgf.m, 13 lbf.ft)1/8 in. BSP {British StandardPipe Taperl 28 threads/inch.Use proper liquid gasket.
OIL PUMPOverhaul, page 8-9Removal/lnspection/lnstallation, page 8-10Apply liquid gasket to matingsurface ot the engine block.
Il
,--)e6V
ENGINE OIL COOLER
ENGINE OIL FILTERReplacement, page 8-6
OIL COOLERCE TER BOLT74 N.m (7,5 kgf.m, 54 lbf.ft)
DRAIN PLUG44 N.m (4.5 kgf.m, 33 lbt.ftlDo not overtighten.
8-4

Oil Pump
5.
4.
Removal/lnspection/lnstallation
6. Remov€ the timing belt.
7. R€move the drive pulley.
8. Remov€ the oil pan and oil screen.
9. Remove the oil pump.
Drain the engine oil.
Turn the crankshatt and align the white groove on
the crankshalt pulley with the pointer on the lower
cover.
Remove the cylinder head cover and middle cover.
Remove the power steering pump belt, air condition-
er belt and the alternator belt.
Remove the crankshaft pulley and remove the low-
er cover.
OIL PUMP
OIL PAN
8-10
1O. Remove the screws trom the pump housing, thsn
separate the housing and coveJ.
1 1. Check the inner-to outer roto. radial clearance on thepumP rotor.
Innor Rotol-to-Outor Rotor Radial Cloaranco
StandErd (Newl: O.O4-O.16 mm(0.O02-0.006 in)
Service Limit: O.2O mm (0.008 inl
Check the housing-to-rotor axial clearance
pump rotor.
Housing-to-Botor Axial Claalanc€
Standard (Nowl: O.O2-O.O7 mm(O.OO1 -O.OO3 inl
Service Limit: O.15 mm (0.006 in)
on the12.
HOUSING

PGM-FI System
Electrical Load Detector (ELDI
tft;-]/ The Maltunction Indicaror Lamp (MlL) indicatss Diagnostic Trouble Code IDTC) 20: A probtem in-Li!- tne Electrical Load Detecror {ELD} circuit.
With lho SCS lhon connectolconnoctod {ree pago 11-34}, cod.20 is indicatod.
Do the ECM B6set Procedurs {seepage 1 'l-35).
Start engine and keep engin€speed at idle.Turn on headlights.
lntennlna tlllure, lyrtom lt Ol(!t irl. dm. (lgtt driv. mly [email protected] for Door connactlona oaloota wiro. rt C218 IELD, lndEctrt.
Ooes the MIL indicato code 20?
Romove the undgr-hood fusg/relay box and remove the tus6/relav box lowet cover.
Turn lhe ignition switch ON.
Measure voltage betw€on BLK/YEL (+l terminal and BLK (-)terminal.
Msasuro voltag€ b€tweon BLK/Y€L {+) terminal snd bodvground.ls there bartory voltagel
Rcpir oo.n in BLK wir.batwaan lha 3P connrc-tor lnd G2Ol {loc.t.dtroit ot angh|. comprn-m.r dghl .ld.l,
B.p.lr op.n in BLKrYEL wlrr b.-tw..n o.24ACG (ALn flcl115A: Bl88l .ngln!, 20 A:818C1cnginol fu!. In thr und.r{..htu.o/r.lly bor lnd tho 3P con-rcclo?.
View tromwire side
BLK (-)
(To page 11-7'l)
GRn/iED I - |
BLK/YEL I + I
11-70

PGM-FI System
11-72
While measuring voltage betweenDlO 1+) terminal and 426 l-)terminal, turn the headlighr switchto the second position (a) {low).
Does the voltage drop whenthe headlights are turned on?
Subrtitute . known-good ECMand rochock. lt 3ymptom/indic€-tion goos away, ioplaco th6 origi-nal ECM.
Electrical Load Detector (ELD) (cont'd)
425 t-t D10 l+), Doos Volrago Orop? ----------------J

ldle Control System
Alternator (ALTI FR Signal
This signals the ECM when the Alternator (ALT) as charging.
D9 l+)
Inspection ot ALT FR Sign.l.
Connect the tost harness betweenthe ECM and connectors. Discon-nect "D" connector from themain wire harnoss only, not theECM lsee page 11-37).
Turn the ignition switch ON.
Measure voltage between D9 (+ )terminal and A26 {-}terminal.
Sub{inno s known-good ECMand redrack. It pro.ctibod volt gola now availablg, ropllco tha orlg-inal ECM.
ls there approx. 5 V?
Turn the ignition switch OFF.
Reconnect "D" connector to themain wire harness,
Start tho engino. Hold the engine
!L3,099 rpm with no load (A/T in
LN] or El position, M/T in neutral)until the radiator tan comes on,rhen let it idle.
Measuro voltage between Dg (fl
terminal and 426 (- I terminal.
Does the voltage decreasewhen headlights and .eardelogger are turned on?Turn ths ignition switch OFF.
ALT FR rignal is OK.
o oo oo o ooooo
ooooooooooo
Voh.go?
ooooooooooo
ooooooooooo
1 1-86
(To page 1 1-87)
=-

- ldle Speed Setting
Inspoction/Adiustment
NOTE:
a When the idle speed set, check the following items:
- The MIL has not been reported on.- lgnition timing- Spark plugs- Air cleaner- PCV svstem
a (Canada) Pullthe parking brake lever up. Stan the en-
gine, then check that the headlights are off.
1 Start the engine. Hold the engine at 3,000 rpm with
no load (A/T in S or @ position, M/T in neutral)
until the radiator tan comes on, then let it idle.
2. Connect a tachometer.
3. Disconnect the 2P connectot trom the ldle Air Con-
trol {lAC) valve.
Start the engine with the sccelerator pedal slightly
depressed. Stabilize the rpm at 1 ,OOO, then slowly
release the pedal until the engine idles.
Check idling in no-load conditions: headlights, blower
fan, rear defogger, radiator fan, and ai. conditioner
are not operatrng.
ldl€ spood should bo;
81881 ongino:
MlT48O ! 50 rym
An48O I 50 rpm
lin@or@oosition)
818C7 engine:48O ! 50 rym
Adjust the idle speed, if necessary, by turnmg the
idle adiusting screw.
NOTE: After adiust the idle speed in this step, check
the ignition timing (see section 231.
lf it is out ot spec. go back to step 4.
4.
e
Turn the ignition switch OFF.
Reconnect the 2P connector on the IAC valve, then
remove the BACK UP (7.5 A) fuse in the under-hood
tuse/relav box for 1O seconds to reset the ECM.
Restart 8nd idle the engine with no-load conditions
for one minute, then check the idle speed.
NOTE: (Canada) Pull the parking brake lever up.
Start the engine, then check that the headlights ate
off.
ldlo speed should be;
81881 ongino:
MTf75O ! 50 rpm
AIT75O t 50 rpm
(in[]or@positionl
818C1 engine: 750 1 50 rpm
(cont'd)
11-95

ldle Control System
ldle Speed Setting (cont'd)
10.
9. ldle the engine for one minute with headlights {Low}
ON and check the idle sDeed.
ldla sp6od should bo;
81881 engine:
M/T750 i 50 rpm
An75O t 50 rpm
{in $ or p] positionl
818C1 engine: 75O 1 50 rpm
Turn the headlights off.
ldle the engine for one minute with heater tan switch
at Hl and air conditioner on, then check the idle
speeo.
ldls spood should bo;
81881 ongino:
M/T82O 1 50 rpm
AN840 1 50 rpm(in [N] or lll position)
818C1 engino: 85O t 50 nm
NOTE: lf the idle speed is not within specitication,
see System Troubleshooting Guide on page 1 1-78.
11-96