D16y8 Valve HONDA CIVIC 1996 6.G User Guide

Chassis and Paint Codes
U.S.2000 Model (2-door Coupe)
Vehicle ldentification Number
l HG EJ6 12 *Y1000001
Manufacturer. Make and
Type ol Vehicle'1HG: HONDA OF AMERICA
t\4FG., tNC.
HONDA Passenger
Vehicle
Line, Body and Engine Type
EJ6: ClvlC2-door/Dt6Y7
EJ7: ClVlC2,door/D16y5
EJ8: ClVlC2-door/D16Y8
EM1: CIVIC 2-doorlB1642
Body Type and Transmission Type1 : Coupe/s-speed Manual
2: Coupe/4-speed Automatic, CVTVehicle Grade
2: DX, HX
4: EX
5: EX with ABS, Si
Check Digit
Model Year
Y: 2000
Factory Code
L: East Liberty, Ohio Plant, U.S.A.Serial Number
Vehicle ldentification Number
and Federal Motor Vehicle
Safety Standard Certification
Engine Number
81642, D16Y5: 5300001-
Dl6Y7, Dl6Y8: 5500001-
Engino Type
Bl642; 1600 DOHC WEC '16-vatves
Sequential Multiport Fuel-injected
Engine
D'I6Y5: 1600 SOHC WEC-E 16.vatves
Sequential Multiport Fuel-injectedEngine
D16Y7: 1600 SOHC 16-valves Sequenlal
Multiport Fuel-injected Engine
D16Y8: 1600 SOHC WEC 16-vatves
Sequential Multipon Fuel-injected
Engine
Serial Number
COLOR
D16Y5 - 5300001
ta
to
Paint Code
B4RA : 4-speed Automatic Transmission
S40, S4C: 5-speed Manual Transmissron
M4VA :ContinuouslyVariable
Transmission (CVT)
B4RA : 9000001*
S40. S4C: 1000001-
M4VA :6000001-
B-95P
NH-578
NH.583M
NH-592P
R-81
Electron Blue Pearl
Clover Green Pearl
Taffeta White
New Vogue Silver Metallic
Flamenco Black Pearl
Milano Red
1-28
NH.592P
to

CANADA 2000 Model (2-door Coupel
Vehicle ldentification Number
lHG EJ6'l 2 * Y 1800001
Manufacturer, Make and
Type of Vehicle
1HG: HONDA OF AMERICA
MFG,, INC.
HONDA Passenger
Vehicle
Line, Body and Engine Type
EJ6r ClVlC2-door/D16Y7
EJ8: ClVlC2-door/D'16Y8
EM1: CIVIC 2-door/B1642
Body Type and Transmission Type
1 : Coupe/s-speed Manual
2: Coupe/4-speed Automatic
Vehicle Grade
2: DX, Si
4: SiR
5: SiR with ABS
6: DX with ABS and A,/C
L
7: DXG
Check Digit
Model Year
Y: 2000
Factory Code
L: East Libertv, Ohio Plant. U.S.A.
Serial Number
Vehicle ldentification Number
and Canadian Motor Vehicle
Safety Standard Certif ication
Paint Code
COLOR
NH-592P
81642 5700001
816A2: 1600 DOHC VTEC 16-valves
Sequential Multiport Fuel-iniected
Engine
Dl6Y7: '1600 SOHC 16-valves Sequential
Multiport Fuel-injected Engine
D16Y8: 1600 SOHC WEC 16-valves
Sequential Multipon Fuel-injected
E ng ine
81642: 5700001-
D16Y7: 575000'l-
D16Y8: 578000'l-
B4RA :4-speedAutomaticTransmission
S40, S4C: s-speed Manual Transmissron
B4RA :9000001-
S40, S4C: 1000001-
Electron Blue Pearl
Clover Green Pearl
New Vogue Silver Metallic
Flamenco Black Pearl
Milano Red
8.95P
G.95P
NH-583M
NH.592P
R-81
ra
1-31

(urbY5, ul6Y7, Dl6Yg enl
MEASUREMENT
Sines) -Section6 -
STANDARD INFWTCompression250 rpm and wide open throftlekPa {kgf/cm,, psi) NominalMinimumMaximum variationWarpageHeight
End play
Camshaft to-holder oil clearanceTotal runoutCam lobe height D16y7
D16Y5
D16Y8
INEXIN
EXIN
EX
Secondary
PrimaryMidSecondary
930 {9.5, 135)200 12 0 ?R\Cylinder head
92.95 - 93.05 {3.659 3.663)0.05 {0.002)
Camshaft0.05,0.15 (0.002 0.006)0.050 - 0.089 (0.002 _ o.oo4)0.03 (0.001)max.
35.299 (1.3897131.241 /.1.4678)38.427 (1.5129)32.193 11 .267 4l38.784 (1.5269)
36.778 (1.4479)
38.274 (1.5068)
37.065 .4592)38.008 (1.4964)
0.5 (0.02)
0.15 (0.006)
0.04 (0.002)
=
Valve clearanca {Cold)
Valve stem O.D.
Stem-to guide clearance
width
Stem insta ed height
Free lengrh Dt6y7D16Y5
INEXINEXINEX
INEXINEX
INEXINEX
INEXINEX
D16Y8
t.D.
Installed height
0.18 - 0.22 10.007 - 0.009)0.23 0.27 (0.009 0.011)5.48 - 5.49 (0.2157 0.2161)5.45 - 5.46 {0.2146 _ 0.2150}0.02 - 0.05 (0.001 _ o.oo2)0.05-008lono2-nnn?l
5.45 (0.2146)
5.42 tO.213410.08 (0.003)
0.11 (0.004)
1.6 (0.063)
2.0 (0.079)
53.a9 \2.122|j$.a9 Q.122)
Valve seat0.85 - 1.15 (0.033 - 0.045)1.25 - 1.55 10.049 - 0.061i53.17 - 53.64 {2.093 _ 2.112)53.17 - 53.64 (2.093 _ 2.112)Valve spring57 .9 (2.2a)
56.5 \2.22157 .9 t2.29l58.0 (2.2a)
58.7 {2.31iValve guide5.51 - 5.53 (0.217 - 0.218)5.51 - 5.53 (0.217 _ 0.218)17.85 - 18.35 \0.103 - 0.722)18.65 19. t5 (0.734 _ 0.754)
5.55 t0.219)5.5s {0.219)
Rocker armArm-to shaft clearanceINEX0.017 - 0.050 (0.0007 0.0020)0.018 - 0.054 (0.0007 - 0.0021)0.08 (0.003)
0.08 (0.003)
Standards and Service Limits
Cylinder Head/Valve Train (Dt6y5, Dt6y7, D
L,
ra
3-2
LO

Section 7
Unlt of length: rnm ( n)
Engine Block(816A2 engine) -
MEASUREMENT
Warpage of deck surface
Bore diameterBore taperReboring limit
STANOARD {NEW)
0.05 (0.002)
8L00 81.02 (3.189 3.190)
SERVICE LIMIT
0.08 {0.03)81.07 (3.192)
0.05 (0.002)
0.25 (0.01)
Cylinder block
PistonSkin O D. At 15 mm (0.6 in)
{rom bottom of skirt
Clearance in cylinder
Groove width (for ring) ToPSecondoil
80.980 - 80.990 (3.lUUz 3. rUubl du Y/u lJ. ro/o,
I0.010 0.040 (o.ooo4 - 0.0016' 0 05 r0 002) II O3O 1.040 10.0406 - 0.04091 1 060 {0 0417) |1.230 - 1.?40 {0.0484 . 0.04881 1.260 10.04961 1'*: ?:::i?l:91'::ll:l I::::::= lPiston ringRing-to-groove clearance
Ring end gap
o.D.Pin to-piston clearance
Pin'to rod interference
Small end bore diameter
Large end bore diameterEnd play installed on crankshaft
Main journal diameterNo. 1, 2, 4 and 5 iournalsNo. 3 journal
Rod journal diameterTaperOut of roundEnd play
Total runout
Main bearing to_journal oil clearance
No. 1, 2, 4 and 5 journals
No. 3 journal
Bod bearing'to iournal oil clearance
Second
Top
Secondoil
Nominal
0.13 (0.005)
0.1310.005)0.60 (0.024)
0.60 t0.024)0.7010.028)0.70 (0.028)
,rr]q!4l
-l
u.u45 - u.u/u lu.uu ro
0.040 - 0.065 (0.0016 0.0026)*l
0.045 - 0.070 (0.0018 0.0028)*'
0.20 - 0.35 (0.008 - 0.014)*1
o.20 - 0.30 (0.008 - 0.012)*'
0.40 0.55 (0.016 0.022)
0.20 - 0.50 (0.008 - 0.020)*'
0.20 - 0.45 (0.008 - 0.018)"
20.994 - 21.000 {0.8265 - 0.8268)
0.010 - 0.022 (0.0004 0.0009)
0.013 - 0.032 (0.0005 - 0.0013)
20.968 20.981 (0.8255 - 0.8260)
lliSlto?,o.oou o.o''r, o.rotoo'ut
Piston pin
Connecting rod
54.976 55.000 (2.1644 - 2.1654)
54.970 - 54.994 (2.1642 2.1651)
44.976 - 45.00011.'1707 - 1.1711|
0.005 (0.0002) max.0.004 (0.0002) max.0.10 0.35 (0.004 - 0.014)
0.020 (0.0008imax.
0.010 (0.0004)
0.006 (0.0002)
0.45 (0.018)
0.030 (0.0012)
Crankshaft
Eearing0.024 - 0.042 (0.0009 0.0017)
o.o3o - 0.048 {0.0012 0.0019)
0.032 - 0.050 (0.0013 - 0.0020)
0.06 (0.002)
0.06 (0.002)
0.06 (0.002)
*1: RIKEN manutactured prston rrng*2:TEIKOKU PISTON RING manufactured piston ring
gineslSection 8
(cont'd)
Engine Lubri,cation (Dl6Y5, Dl5Y7' Dl6Y8 enginesl -
MEASUREMENTSTANOARD (NEW) S€RVICE LIMIT
4.3 (4.5, 3.8)Ior engine overhaul
3.6 (3.8, 3.2) for oil change, including filter
3.3 (3.5, 2.9) for oil change, without filter
3.7 (3.9,3.3)for engine overhaul
3.3 (3.5, 2.9) for oil change, including filter
3.0 {3.2, 2.6} for oil change, without filter
0.02 - 0.14 (O.OO1 - 0.006) 0.20 {0 008)
0.10 0.18 (o.oo4 - 0.007) i 0.20 (0 008)
o 03 !.08 (qool!.oo3l _ (0 006) -
70 (0.7, 10) min.
340 (3.5,50) min
Engine oilCapacity | (US qt, lmp qt) D16Y7
D16Y5 D16Y8
lnner-to-outer rotor radial clearance
Pump housing to_outer rotor radialclearance
Pumo housrnq_to rotor a)rial clearance
Pressure setting with oil temperature 176'F (80'Ci
kPa (kgf/cm', PsiI at idleat 3,000 rpm
Oil pump
Relief valve
3-5

MEASUREMENTSTANDARD INFWIEngine oilCapacityf (uS qt, lmp qt)
Inner-to outer rotor radial clearancePump body-to outer rotor radialclearancePump body to-rotor axial clearance
4.8 (5.1, 4.2) for eng;ne overhaul4.0 (4.2, 3.5) for oil change, ;ncludin3.7 (3.9.3 3)for dil .h,nde '^,irh^,,rg oilfilter
Oil pump0.04 - 0.16 {0.002 - 0.006)0.10 - 0.19 (0.004-0.007)0.02 0.07 10.001 ,0.003)
0.20 (0.008)
0.20 {0.008)0 15 {O OO6iRelief valvePressure setting 176"F (80.C)kPa (kgflcm,, psi) at;dteat 3,000 rpm70 (0.7, 10) min.340 (3.5,50) min.
Standards and Service Limits
Engine Lubrication (B16A2 engine) (cont,d) - Section 8
Cooling - Section 10
L,
L.
MEASUREMENTSTANOARO {NEW)RadratorCoolant capacity t 1US qt, tmp qt)including engine, heater, cooling line andreservotr
Beservoir capacity:0.4 f {0.42 US qt, 0.35 lmp qt)
81642 engine5.0 {5.3, 4.4) for overhaul4.5 (4.8, 4.0) for cootant changeD16Y5, D16Y7, D16Y8 engines:M/T: 4.2 (4.4, 3.7)for overhaul3.1 (3.3, 2.7) for coolant changeA"/T: 016Y74.1 (4.3, 3.6) for overhaul3.0 (3.2, 2.6) for cootant changeDl6Y84.3 {4.5, 3.8)for overhaul3.2 (3.3, 2.8) for cootant changeCW: 4.3 (4.5,3.8)for overhaul3.2 (3.3, 2.8)for cootant chanqeRadiator capOpeningpressure kPa(kgl/cm,,psi)
Start to open .F (.C)Fully open "F ('C)Valve lift at fulty open
93 123 (0.95- 1.25, 14 18)
169 - 176 (76 80)194 (90)
8.0 (0.31)min.
196 - 203 191 95)Subtract 5 - 15 {3 - 8) from actual ,,ON,, temperature
Thermostat
Cooling fanThermoswilch 'ON" temperature F r.C,Thermoswitch "OFF' lemperature .F ( C)
L
3-6
L,

Design Specifications
ITEMMETRICENGLISHNOTEDII/IENSIONS Overall Length2 door Coupe/4 door Sedan (,96 98)('99,'00)2 door Hatchback (,96, ,97)
('98 - 00)OverallwidthOverall height 2 door Coupe/2 door Hatchback4-door SedanWheelbase
I Track FronvRearGround ClearanceSeatiog Capacity
4,445 mm4,450 mm4,170 mm4,180 mm1,705 mm1,375 mm1,390 mm2,620 mm1,475/1,415 mm150 mm
175.0 in115.2 in164.2 in164.6 in67.1 in54.1 in54.7 in103.1 in58.1/58.15.9 in
WEIGHT (USA)Gross Vehicle Weight Raring (GVWR)2 door Coupe HX M/T, DX M/THX CVI ('96)HX CVT ('97,'98)HX CVT ('99}DX A,/T (96 98,DX A"/T ('99, '00)
EXSi2 door Hatchbacl CX. DX r'96, 97,cx, DX ('98)cx (,99, ,00)
DXM/Ti'99,00iDX A/T ( 99, 00,4 door Sedan DX, LX, DX-VEX
3,290 tbs3,320 tbs3,330 tbs3,360 rbs3,290 rbs3,310 tbs3,440 tbs3,480 tbs3,285 tbs3,290 tbs3,290 tbs3,290 tbs3,330lbs3,330 tbs3,460 tbsWEIGHT (CANADA)Gross Vehicle Weight Bating (GVWR)2-door Coupe DX ('96)DX ('97 00)DX-Gsi 1,96)si ('97 - 00)siR2 door Hatchback CX, CX,G ('96)cx, cx,G 1,97)cx-G (,98)
cx ('98 00)DX M/T, SE M/IDX A,/T, SE A,/T4 door Sedan LX, LX VEX M/IEX A/T
1,500 ks1,510 kg1,510 kg1,560 kg1,570 kg1,590 ks1,495 kg1,505 kg1,510 ks1,510 ks1,510 kg1,530 kg1,510 kg1,510 ks1,540 ksENGINEType
Cylinder ArrangementBore and Stroke D16Y5, D16Y7, Dt6y8B 1642DisplacementD16Y5, D16Y7, Dl6Y881642Compression Ratio D16Y5, D16y7D16Y8816A2Valve TrainLubrication SystemOil Pump Displacement at 6,800 engine rprnD16Y5, D,l6Y7, D16Y881642Water Pump Displacementat 6,000 engine rpm 016Y5, D16Y7, D16y8816A2Fuel Required D16Y5, D16Y7, D16y8
816A2
Water-cooled, 4-stroke SOHC*1, SOHCVTEC"', SOHC WEC.E'3, DOHC VTEC{gasoline engineInline 4 cylinder, transverse2.95 x 3.54 in3.19 x 3.05 in97.0 cu-in97.3 cu in9.49.610.2Belt driven, 4 valve per cylinderForced and wet sump, trochoid pump
33.4 f (35.3 US qt, 29.4 lmp qt)/minute43.8 | (46.3 US qt, 38.6 lmp qt)/minute
125 { {132 US qt, 110 lmp qt}/minute140 f {148 US qt, 123 lmp qt}/minuteUNLEADED gasoline with 86 PumpOctane Number or higherPremium UNLEADED gasoline 91 PumpOctane Number or higher
75.0 x 90.0 mm81.0 x 77.4 mm1,590 cm31,595 cm3
*1: D16Y7*': D16Y8*3: D16Y5*': 816A2
STARTEBType/MakeNormal OutputNominalVohageHour RatingDirection of Rotation
Gear reduction/MITSUBA1.0 kw, 1.2 kw12V30 secondsClockwise as viewed from gear end
5-Z.V
-

Cylinder Head/Valve Train
Dl6Y5, D16Y7, Dl6Y8 engines
Special Tools ............. G2
VTEC Control System
Troubleshooting Flowchart .........." 6-3
VTEG Solenoid Valve
Inspection ............" 6-6
VTEC Rocker Arms
Manual lnspection
(D16Y5 engine) ............................. 6-7
Manual Inspection
(D16Yg enginel ................'............ 6-7
Inspection Using Special Tools
{D16Y5 engine} .....................""'... 6-8
Inspection Using Special Tools
(D16Y8 engine) .........................'.'. 6-10
Valve Clearance
Adiustment ..."".....6-12
Valve Seals
Replacement (Cylinder head removal
not requiredl ................................ 6-1tl
Crankshaft Pulley and PulleY Bolt
Replacement ."...... &16
Timing Selt
lllustrated Index ............................... 6-17
Inspection .............. 6-18
Tension Adjustment ........................ 6- 1 I
Removal ......,,......... 6-19
lnstallation ............. 6-20
Crankshaft Speed Fluctuation (CKF) Sensor
Repf acement .........6'22
Cylinder Head
lllustrated Index ............................... 6-23
Removal ................. 6-27
Warpage ................ 6-40
lnstallation ............. 6-45
Rocker Arms
Removal ................. 6-30
Disassembly/Reassambly ............... 6-31
Rocker Arms and Lost Motion Assemblies
Inspection (D16Y5, D16Yg
enginesl "..........' 5-34
Rocker Arms and Shafts
Glearance Inspection ....................... 6-35
Camshaft
Inspection .............. 6-36
Valves, Valve Springs and Valve Seals
Removal ........""..... 6-38
Valve Guides
Valve Movement .............................. 6-39
Replacement .........6-41
Reaming .......'......'.' 6-43
Valve Seats
Reconditioning .'....6'40
Valves
lnstallation ............. 6-tt3
Camshaft/Rocker Arms and
Camshaft Seal/Pulley
lnstallation ............. 6-44

I
VTEC Control System
Troubleshooting Flowchart (cont'd)
VTEC PRESSURE SwlTCH 2PCONNECTOR
Wire side of female(€rmrnats
VTEC SOLENOID VALVE lPCONNECTOR
I r----'t I
ll ' ff---r'-'1
I
I
-L
Terminal side ofmale terminal
A/T LOW PRESSUREw/PAt{EL07406-0070300
NOTE: Keep measuring time as short aspossible because engine is running with noload (less than one minute).
PRESSURE GAUGEADAPTER07NAJ - P07010A
A/T PRESSURE I{OSE07406 - 0020201
ot
A/T PRESSURE HOSE.2,210 mm07MAJ - PY&llA andA/T PRESSURE ADAPTER07MAJ - PY,()120
6-4
(From page 6-3)
(To page 6-5)
Test the VTEC Pr6suro SwitchWiro:Nleasure voltage across the VTECpressure switch 2P connector.
. Rcpai. opon in tho wirebrtw.en VTEC pr6.urc switchand G101.. lf th. wir6 b OK, sub.thuto alnown-good ECM/PCM !ndracheck.
ls there baftery voltage?
Te3t the VTEC Solonoid V.lve:1. Turn the ignition switch OFF.2. Disconnect the VTEC solenoidvalve 1P connector.3. Check for continuity betweenthe VTEC solenoid valve 1Pconnector terminal No. 1 andbody ground.
ls there 14 - 30 0?
Te3t tho WEC Solonoid Vatvo:'1. Remove the VTEC pressureswatch and install the specialtool as shown, then reinstallthe VTEC pressure switch.2. Reconnoct the VTEC solenoidvalve 1P connector and VTECpressure switch 2P connector.3, Connect the tachometer (seesection 11).4. Stan the engine.5, Warm up engine to normaloperating temperature (cool,ing fan comes on).6. Check oil pressure at enginespeeds D16Y5 engine: 1,000and 3.000 rpm, D16Y8 engine:1,000,3,000 and 5,000 rpm.
ls pressure below 49 kPa(0.5 kgflcm,, 7 psi)?In.poct the VTEC aolonoid vllvols.c p.g. &6).
:(
t
I
t
:
t
I
I

VTEC Rocker Arms
Inspection Using Special Tools (D16Y8 enginel
CAUTION:
o Before using the Valve Inspection Tool. mak6 surethat the air pressure gauge on the air comprsssor
indicates ovor 400 kPa {4 kgf/cm,, 57 psil.
. Inspect th6 valve clearanco before rockar arm inspec-
tion.
. Cov€r th€ timing belt with a shop towel to protect
the bolt.
. Check tho intake prima.y rockff arm of each cylindel
at TDC.
1.Remove the cylinder head cover.
NOTE: Refer to page 6-46 when installing the cylinder
neao cover,
Plug the relief hole with the specialtool.
OTLAJ - PR3O2OB
I,^ A IAo- tu
3. Remove the sealing bolt from the inspection hole
ancl connect an air pressure regulator with a 0 - 100psi gauge.
l0 x 1.0 mmSEALING EOLT20 N.m (2.0 kgf.m, 14 lbf.ft)
(AIR PRESSUREREGULATOR
{Commerciallyavailable). Pullthe dialandturn to adjust,

Cylinder Head
lllustrated Index (cont'dl
VALVE KEEPERS
SPRING RETAINER
INTAKE VALVE
VTEC SOLENOIDVALVE FILTEBReplace.
OIL CONTROLORIFICEClean.
INTAKE VALVE SEALReplace.VALVE SPRINGSEAT
INTAKE VAI.VEGUIOE
CAMSHAFTPULLEY
I
I
VALVE KEEPERS
SPRING RET
EXHAUST VALVESPRING
@
EXHAUST VALVESEALReplace.
8 x 1.25 mm37 N.m 13.8 kgt m,27 tbfitlApply engine oiltothe threads.
EXHAUSTVALVE
-vp
e,.io"o reassembring, crean at the parts in sorvent, dry them and appry rubricant to any contact parts.
D16Y8 engine:
LOST MOTIONASSEMgLY
ROCKER ARMASSEMBLYRemoval, page 6 30Inspection, page 6-34
5xl.0mm12 N.m {1.28.7 tbf.ft)
VALVE SPRINGSEATEXHAUSTVALVE O.RINGGUIDE Replace.Inspection, page 6 39Replacement, page 6 41Reaming, page 6 43
LOST MOTIONASSEMBLYHOLDER
INTAKE VALVEBemoval, page 6 38Installation, page 6 43
20 N.m 12.0 kgl.m, 14 tbf.ft)Apply engine oit to thethreads.
\
\
s9illl
CAMSHAFTInspection, page 6-36
OIL SEALBeplace.
CYLINDER HEADRemoval, page 6 27Warpage, page 6-40Valve seat reconditioning,page 6 40Installation, page 6-45
6x1.0mm12 N.m (1.2 kgt.m,8.7 lbf.ftlApply engine oil to thethreads,