Acura NSX 1991 Manual page 96

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Cylinder Heads
Illustrated Index
CAUTION: To avoid damage, wait until the engine coolant temperature drops below 100°F (38°C) before removing the cylin-
der head.
NOTE: Use new O-rings and gaskets when reassembling.
Prior to reassembling, clean all the parts in solvent, dry them, and apply lubricant to any contact parts.
CAMSHAFT HOLDER
DOWEL PIN
O-RING
Replace.
6 x 1.0 mm
12N-m (1.2 kg-m,
9 Ib-ft)
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6 x 1.0 mm
10N-m (1.0 kg-m,
7 Ib-ft)
10 x 1.25 mm
70N-m (7.0 kg-m,
51 Ib-ft)
6 x 1.0 mm
12N-m (1.2 kg-m,
9 Ib-ft)
RUBBER SEALS
Replace when damaged
or deteriorated.
BACK COVER
CAMSHAFT HOLDER
PLATE
8 x 1.25 mm
22N-m (2.2 kg-m, 16 Ib-ft)
Apply oil to the bolt threads.
DOWEL PIN
CKP/CYP SENSOR
FRONT INTAKE
CAMSHAFT
RUBBER SEALS
Replace for oil
leakage.
FRONT EXHAUST
CAMSHAFT
OIL SEAL
Replace.
DOWEL PIN
CAMSHAFT PULLEY