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Camshafts
Inspection (cont'd)
9. Remove the camshaft holders and measure widest
portion of plastigage on each journal.
Camshaft-to-Holder Oil Clearance:
Standard (New): 0.050 - 0.089 mm
(0.002 - 0.004 in)
Service Limit:
0.15 mm (0.006 in)
10. If camshaft-to-holder oil clearance is out of toler-
ance:
— And camshaft has already been replaced, you
must replace the cylinder head.
— If camshaft has not been replaced, first check
total 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.
Table of Contents
PLASTIGAGE STRIP
11. Check cam lobe height wear.
Cam Lobe Height Standard (New):
M/T
Check this area for wear.
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