2 2
2
3
3
EAM30081
CHECKING THE CAMSHAFT
1. Check:
• Camshaft lobe
Blue discoloration/pitting/scratches Re-
place the camshaft.
2. Measure:
• Camshaft lobe dimensions "A"
Out of specification Replace the camshaft.
Camshaft lobe dimensions
Lobe height limit (Intake)
38.030 mm (1.4972 in)
Lobe height limit (Exhaust)
34.170 mm (1.3453 in)
3. Measure:
• Camshaft-journal-to-camshaft-cap clearance
Out of specification Measure the camshaft
journal diameter.
Camshaft-journal-to-camshaft-
cap clearance
0.028–0.062 mm (0.0011–0.0024
in)
a. Install the camshaft into the cylinder head.
b. Position a strip of Plastigauge® "1" onto
the camshaft journal as shown.
1
1
c. Install the dowel pins and the camshaft
TIP
• Tighten the camshaft cap bolts in a crisscross
pattern from innermost to outer caps.
• Do not turn the camshaft when measuring the
camshaft journal-to-camshaft cap clearance.
d. Remove the camshaft caps and then mea-
4. Measure:
• Camshaft journal diameter "a"
Out of specification Replace the camshaft.
Within specification Replace the cylinder
head and the camshaft caps as a set.
5-16
CAMSHAFT
caps.
Camshaft cap bolt
10 N·m (1.0 kgf·m, 7.4 lb·ft)
sure the width of the Plastigauge® "1".
Camshaft journal diameter
21.959–21.972 mm (0.8645–
0.8650 in)
1
1 1
1
1 1