Cylinder Head; Removal - Honda Prelude 1993 Service Manual

Cylinder Head
Removal
Engine removal is not required tor this procedure.
o Make sur6 iacks and sefsty stands are placed propsdy
and hoist bfackets are sttachod to co.roct @shions on
tho ongin€,
o Maks sure the car will not roll off stfltds and tall whilo
you are working under it.
CAUTION:
a Us€ t€nd€r covors to avoid damaging paintod surtacas.
a Unspecifiad h€ms arc common.
o Unplug tho wiring connec{ors carefully whil€ holding ths
connoctor Fprtion to avok ddylago.
. Mark a[ wMng and hosos to avokt miEconnection. Abo,
bo su.o that they do not contact oth6. widng or hosos ol
innerto?e with othq parts.
o To avoid damaging th€ cylinder hoad. wah untilthe sn-
gine coolant temp€.aturs drop6 b€low 100oF (38oC)
botor€ loosoning tho l€taining boh.
o Inspect th€ timing beh bofore removing the cylnder
hoad.
. Tum the crankshaft pulley so that tho No. 1 dston is at
top doad center {pag€ 6-281.
a Maks all emission hos€s betore disconnocting th€m.
NOTE; 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 (1OA) tuse (ln the under-hood
fuse/relav boxl.
Removing the radio.
After service, reconnect power to the radio and turn it on.
When the word "CODE" is displayed. enterthe customer's
s-digit code to restore radio ope.ation.
1 . Disconnect the negative terminal from the battery.
Drain the engine coolant {see section 101.
. Remove the radiator cap to speed draining
Relieve the fuel pressure.
@ Do not snoke whlc wo*rng on ftrc
sydem, krop oFn ffrnc or spark away trom wor*
s!. Drdn ft|ol ody into an approvrd contrlnor.
SHOP TOWEI-
SERVICE EOLT
12 N.m {1.2 kg-m,9 tb-ft}
FUEL RAIL
R€movethe vacuumtube, breather hose and intske air
duct.
Removethe water bypass hose from the cylinder head
Remove the fuel feed hose and evaDorative emission
(EVAP) controlcanister hose from the intake maniJold.
(cont'dl
2 .
5 .
4.
6-7