Cylinder Head Installation - Honda Prelude 1993 Service Manual

FT
,A
Cylinder Head
Installation
Install the cylinder head in the reverse order of removal:
NOTE:
a Always use a new head gasket.
. Cylinder head and engine block surface must be clean.
a "UP" mark on camshaft pulley should be at the too.
. Tum the crankshaft so the No. 1 cylinder is at TDC (psge
6-28t.
o Clean the oil contrclorifice before installino.
1. Cylinder head dowel pins and oil control orifice must
be aligned.
CYLINDER HEAD
GASKET
Replace.
ooml P {
\
nce
, o n
a/
OIL CONTROL
ORIFICE
Clean.
O-RING
Replace.
DOWEL PIN
J .
4.
Install the bolts that secure the intake manifold to its
bracket but do not tighten them yet,
Position the camshaft correctly (page 6-29).
Tighten the cylinder head bolts sequentially in three
steps.
1rt stop to.que: 40 N.m (4.0 kg-m, 29 lb-ft)
2nd stop torque: 70 N.m (7.0 kg-m, 51 tb-ft)
3.d ctep to?quo: 10O N.m (10.O kg-m. 72 tb-ft)
NOTE:
a W€ recommend using a beam-type torque wrench.
When using a preset-type torque wrench, be sure
to tighten slowly and not to overtighten.
a lf a boh makes any noise while you are torquing it,
loosen the boh and retighten it from the I st steo.
CYLI'{DER HEAD BOLTS TOROUE SEOUENCE
CYTJI{DER
12 r 1.25 mm
lOO N.m ('lO.O kg-m, 72 tb-ftt
Apply clsan engine oil to bolt
threads and under bott heads,
(cont'd)
6-23