1994 HONDA INTEGRA Exhaust

NOTE: Clean the head oil control orifice and the rocker shaft orifices when installino.
ROCKEB ARM ASSEMBLY
Apply clean engine oilto threads and washercontact surface.
81 N m (8.3 ks{ m, 60
VALVE
SPRING RETAINER
CYLINDER HEADBOLTS11 x 1.5 mm
EXI{AUST VALSPRING
INTAKE VALVE SPRING INNER
SPRING RETAINER
INTAKE VALVE SPRING OUTER
SPRING SEATVALVE SEALReplace.
SPRING SEAT
VALVE GUIDE
MOTION
VALVE SEALReplace.
ASSEMBLYINTAKE VALVE
INTAKE ROCKERORIFICE
LOST MOTIONASSEMBLY
VALVE
EXHAUST VAL
Clean.
ROCKER SHAFTDOWELPIN -,
ROCKERSHAFT ORIFICEOOWELPIN
CYLINDER HEAOGASKET13 LAYEBS OF METReplace.
SEALING BOLTS, 20 mm64 N.m 16.5 kgf.m, 47 lbtftl

Cylinder Head
Removal (cont'dl
Remove the heat shield from the P/S bracket (see
page 5-18).
Remove the air conditioning (Ay'Cl compressor belt(see page 6-49).
Remove the alternator belt {s€e page 6-49).
Remove the cruise control actuato..
16.
17.
'18.
'19.
ACTUATOR
20. Remove the side engine mount.
10 x 1.25 mm
SIDE ENGINE
12 x 1.25 mrn7a N.m 17.5 kgl.m,5a rbtftl
8 x 1.25 mmN.m 12.4 kgf.m, 17 lbtftl
21. Remove the cylinder head cover.
22. Remove the timing belt (see page 6-49).
23. Remove the camshaft pulleys and back cover.
24. Remove the exhaust manifold.
SELF.LOCKING NUT8 x 1 .25 mm31 N.m {3.2 kgt m, 23 lbf.ftlReplace.
6-58
'ilffi{

25. Remove the intake manifold.
26. Loosen the adjusting screws.
INTAKENo.4 No.3 No.2No. 1
No. 4No.3 No. 2EXHAUSTNo. 1
GASKET
21.Remove the camshaft holder plates, camshaft hold-
ers, and camshafts.
CAMSHAFT
28. Remove the cylinder head bolts, then remove the
cylinder head.
CAUTION: To prsvent warpage, unscrew th€ bolts
in sequence l/3 turn at a time; repeat until all bolts
aro loosoned.
CYLINDER HEAD BOLT LOOSENING SEOUENCE
6-59

Rocker Arms
Removal
Hold the rocker arms together with a rubber band to
orevent them from seParating.
Remove the intake and exhaust rocker shaft orifices,
then remove the VTEC solenoid valve and the seal-
ing bolts.
NOTE: The shapes of the rocker shaft orifices of the
intake and exhaust are different. ldentify the parts
as they are removed to ensure reinstallation in the
original locations.
INTAKE ROCKERSHAFT OBIFICEClean.
O-RINGReplace.
RUBBER BAND
EXHAUST ROCKERSHAFT ORIFICEClean.
O.RINGReplace.
3. Screw 12 mm bolts into the rocker arm shafts.
Remove each rocker arm set while slowly pulling
out intake and exhaust rocker arm shafts.
ROCKER SHAFTS

Locations
GAUTION: Aftcr in3tlllino th! roCk.r shrft o.ifice, trY to tum ihc tock r .hatt to makr luta thlt tho orifice ls corrccdY
in3artcd in the holc of tho lockor shrft. It the oritice b in placc' it should not turn'
NOTE:
o ldentify partsastheyare removed to ensure reinstallation in original locdtions'
. lnsoect rocker shafts and rocker arms (see pages 6-62 and 63)'
o Rocke. arms must be installed in the same position it reused'
. Clean the rocker shaft orifices when installing.
I erio, to ,einstalling, clesn all the parts in solvent, dry them and spply lubricant to any contact surfacos'
NTAKE BOCXER ARII,I ASSEi/IBUES
RUBBER BA D
INTAKE ROCXERsEALlMi BoLTS, 20 m|tr64 N.m 16.5 ksf.]n, 4.7 lbf.ftl
I
&
tu
SHAFTCl6an.
ry
ryHOII
o-nrM;sR6placo.
TROCIGR SHAFToRrFrcEsl
BOCXER
RUASER BA'{DSHAFT
-%
t
EXHAUST ROC(ER
EXHAUST B(rcKER ARM ASSEMBLIES
D*"'-,
6-61

Measure both the intake rocker shaft and exhaust rocker
shaft.
1. Measure diameter of shaft at first rocker location,
Arm-to-Shaft Clearance
2. Zero gauge to shaft diameter.
Surfaco should be smooth.
MICROMETER
Measure inside diameter of rocker
for out-of-round condition.
Rock6r A.m-iq.Shaft Clearance:
lntak. and Exhaust
Standald (Now): 0.025 - 0.052 mm(0.0010 - 0.0020 in)
S.rvicc Limit: 0.08 mm {0.003 in}
arm and chgck
Inspect rocker armface tor wear.
Repest for all rockers.- lf over limit. replace rocker shaft and all over
tolerance rocker arms.
NOTE: lf any rocker arm needs replacement,
replace all three rocker arms in that set (primary,
mid, and secondary).
6,63

Rocker Arms
Installation
1. Install the rocker arms in the reverse order ofremoval:
. Valve adjusting locknuts should be loosened andadjusting screw backed off before installation.. The component parts must be reinstalted in theoriginal locations.
2. Installthe lost motion assemblies.
3. Install the rocker arms while insening the rockerarm shaft into the cvlinder head
NOTE: Remove the rubber band after installing therocKer arms.
'/'/
12 mm EOLT
4.Clean and install the rocker shaft orifices with newO-rings. lf the holes in the rocker arm shaft andcylinder head are not in line with each other, screwa 12 mm bolt into the rocker arm shaft and rotatethe shaft.
NOTE: The shapes of the rocker shaft orifices forthe intake and €xhaust are different. The orificesmust be installed in the original locations.
INTAKE ROCKERSHAFT ORIFICEClean.EXHAUST ROCKERSHAFT ORIFICECl6an.
O.RINGBeplace.
Beplace.
6-64

Gamshafts
Inspection (cont'd)
10, lf camshaft-to-holder oil clearance is out of loler-
ance:
- And camshaft has already been replaced, you
must replace the cylinder head.
- lf camshaft has not been replaced, first check
total runout with the camshaft supported on V-
blocks.
Camehaft Total Runout:
Sisndard (New): 0.015 mm (0.0006 inl
Service Limit: 0.03 mm (0.0012 in)
Rotat€ camshsftwhile measuring
- lf the total runout of the camshaft is within toler-
ance, replace the cylinder head.- lf the total runout is out of tolerance, r€Dlace the
camshaft and recheck. lf the oil clearance is still
out of tolerance. replace the cylinder head.
6-66
IiITAKEEXHAUST
PRIMARY33.i{'l1 mm
(1.3154 inl
33.111 mm(1.3036 in)
MID36.377 mm
l't.4322 inl
35.720 mm
(1.4063 inl
SECONDARY34.547 mm(1.3601 in)
34.381 mm(1.3536 in)
11. Check cam lobe wear.
Clm Lobs Hcight Standard (N.w):
Check this are6 tor wsar.
Crm Porition
INTAKE
MtosEc
CXHAUST
SEC MID PRI
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