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3-28 ENGINE
CAMSHAFT
CAMSHAFT IDENTIFICATION
The exhaust camshaft can be distinguished from that of the
intake by the embossed letters “EX” (for exhaust) as against let-
ters “IN” (for intake).
CAM WEAR
• Check the camshaft for wear or damage.
• Measure the cam height H with a micrometer.
Cam height H:
Service Limit: (IN.) : 36.28 mm (1.428 in)
(EX.): 35.68 mm (1.405 in)
09900-20202: Micrometer (25 – 50 mm)
CAMSHAFT JOURNAL WEAR
• Determine whether or not each journal is worn down to the
limit by measuring the oil clearance with the camshaft
installed in place.
• Use the plastigauge 1 to read the clearance at the widest
portion, which is specified as follows:
Camshaft journal oil clearance:
Service Limit: (IN. & EX.): 0.150 mm (0.0059 in)
09900-22301: Plastigauge
09900-22302: Plastigauge
NOTE:
Install camshaft journal holders to their original positions.
(
3-93)
• Tighten the camshaft journal holder bolts evenly and diago-
nally to the specified torque.
Camshaft journal holder bolt: 10 N·m (1.0 kgf-m, 7.0 lb-ft)