Prelude L4-1958cc DOHC (1989)
2. Zero dial indicator against end of distributor drive, then push camshafts back and forth, and read the end play.
Camshaft End Play:
Standard (New): 0.05-0.15 mm (0.002-0.006 in.)
Service Limit: 0.5 mm (0.02 in.)
3. Remove the camshaft holder bolts from the cylinder head.
NOTE: Unscrew the camshaft holder bolts, two turns at a time, in a criss-cross pattern, to prevent damaging valves or rocker arms.
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Lift camshaft out of cylinder head, wipe clean, then inspect lift ramps. Replace camshaft if lobes are pitted, scored, or excessively worn.
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Clean the camshaft bearing surfaces in the cylinder head, then set camshaft back in place.
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Insert plastigage strip across each journal.
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Install the camshaft holders and torque bolts to specification.
4. Measure widest portion ot plastigage on each journal.
Camshaft Bearing Radial Clearance:
Standard (New): 0.050-0.089 mm (0.002-0.004 in.)
Service Limit: 0.15 mm (0.006 in.)
