Cylinder Head - Honda Prelude 1993 Service Manual

Cylinder Head
Removal
Engine r8moval is not required Jor this procedure.
a Mako sure iscks and safoty stands ars placad
propedy and hoist bfacksG era attachod to cor-
ract positions on ths oingino.
a Mako suro tho car will not roll oft stands and fall
while you ar6 working und€r it.
CAUTION:
a Uso fendor covors to avoid damaging paintod
surtaces.
a Unspocifiod items ara common.
a Unplug tlF widng connectoB caroft.fy while hol+
ing th6 connocto? ponion to avoid damags,
a Ma.k 8t wHng and hoss3 to rvdd rrisconncctlon.
Also, bo sur6 that thsy do not contact othor wir-
ing oi hosos o. intorfats with other parts.
a To avoid damaging the cylindar herd, w8it untll
tho engine coolant t€mporaturo &opr bclow
100oF (38ocl befoio loosanlng the rotllnlng
bohs.
NOTE:
a Inspect the timing belt befo.e removing the
cvlinder head.
a Turn the crankshaft pulley so that tho No. 1 piston
is at top dead csnter (page 6-62).
a Mark 8ll emission hoses belore disconnecting
them.
a The radio may have a coded theft protection cir-
cuit. Be sure to get the customer's code number
before.
- Disconnecting the battery.
- Removing the No. 43 (lOAl fuse.
(ln the under-hood fuse/relav boxl
- Removing the radio.
After service. reconnect Dowe. to th€ radio and
turn it on. When the word "COOE" is displayed,
enter the customer's 5-digit code to restore ra-
dio ooeration.
l .
Disconnect the negative terminal trom the battery.
Drain the engine coolant (see section 1O).
a Remove the radiator cap to speed draining.
Relieve the fuel pressure,
@
Do not smoko whilo workino on fuel
aystem, koop open flamo or spark arlay from work
area, Draln fuol only into an approved containar.
Remove the intske air duct.
Remove the fuel teed hose and evaporative emission
(EVAP) control canister hose from the intake
manifold.
6. Remove the throttle control cable trom the throttle
body (A/T onlyl.
NOTE:
a Take care not to bend the cable when removing
it. Always replace any kinked cable with a new
one.
a Adiust the throttle cable when installing (see sec-
t i o n 1 1 1 .
6 x l . O m m
12 .ft 11.2 kg-m, 9lb-ftl
THROTTLE CAALE
THROTTLE CONTROL
CABLE
(cont'd)
2 .
3 .
4 .
E
LOCKNUT
6-43