Acura NSX 1991 Manual page 110

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7. If camshaft-to-holder oil
tolerance:
— And camshaft has already been replaced, you
must replace the cylinder head.
— If camshaft has not been replaced, first check to-
tal runout with the camshaft supported on V-
blocks.
Camshaft Total Runout:
Standard (New): 0.03 mm (0.0012 in) max.
Service Limit: 0.04 mm (0.0016 in)
Rotate camshaft
while measuring
— If the total runout of the camshaft is within toler-
ance, replace the cylinder head.
— If the total runout is out of tolerance, replace the
camshaft and recheck. If the oil clearance is still
out of tolerance, replace the cylinder head.
8. Check cam lobe height wear.
Cam Lobe Height Standard (New):
M/T
A/T
Table of Contents
clearance is out of
Check this area for wear.
Cam position
P: Primary M: Mid S: Secondary
FRONT BANK
REAR BANK
CYLINDER
NUMBER
EXHAUST
INTAKE
CYLINDER
NUMBER
INTAKE
EXHAUST