Honda Prelude 1993 Service Manual page 125

Cylinder Head
lnstallation
Install the cylinder head in the reverse order ol removal:
NOTE:
a Always use a new head gasket
a Cylinder head and engine block surface must be clean
a "UP" marks on camshaft pulleys should be at the top.
. Turn the crankshaft so the No. 1 piston is at TDC (page
6-62).
a Clean the oil control orifice before installing
1. Cylinder head dowel pins and oil control orifice must
be aliqned.
DOWEL
\
\
\
0
CYLINOER
HEAD GASKET
Replace.
OIL CONTROL
ORIFICE
Clean.
O-RING
Replace.
6-56
2. Tighten the cylinder head bolts sequentially in three
steps.
lst stop torque: 40 N m (4.0 kg-m, 29 lb-ft)
2nd step torque: 70 N'm (7.0 kg-m, 51 lb-ft)
3rd stop torquo: 10O N m {10.0 kg-m, 72 lb-ft)
NOTE:
a We recommend using a beam-type torque wrench'
When using a preset-type torque wrench, be sure
to tighten slowly and not to overtighten'
. It a bolt makes any noise while you are torquing it,
loosen the boh and retighten it trom the Ist step'
CYLINOER
HEAD BOLTS TONOUE SEOUENCE
CYLII{OER HEAD BOLTS
1 2 x 1 . 2 5 m m
1OO N.m llO.O kg-m. 72lb-ft)
Apply clean engine oil bolt
threads and under bolt heads