Isuzu 2000 Trooper Workshop Manual page 775

6A–62 ENGINE MECHANICAL
4. Measure the camshaft journal oil clearance.
1. Measure the camshaft bearing cap housing
inside diameter.
NOTE: Tighten camshaft bearing cap (2) to specified
torque before measuring the camshaft bearing cap inside
diameter.
Torque : 10 N·m (89 lb in)
2. Subtract the camshaft outside diameter from the
camshaft bearing cap housing inside diameter.
Oil Clearance
Standard : 0.027 mm–0.078 mm
(0.0011 in–0.0031 in)
Limit : 0.11 mm (0.0043 in)
5. Replace the cylinder head and/or camshaft if the
measured oil clearance exceeds the specified limit.
1. Carefully clean the camshaft journal, the
camshaft bracket, and the cylinder head.
2. Install camshaft assembly and camshaft bearing
cap (2), tighten twenty bolts (1) on one side bank
to the specified torque.
Torque: 10 N·m (89 lb in)
014RW031
3. Measure the camshaft thrust clearance with a dial
indicator. Replace the camshaft and/or the
cylinder head if the camshaft thrust clearance
exceeds the specified limit.
Camshaft thrust Clearance
Standard : 0.03 mm–0.08 mm
(0.0012 in.–0.0031 in.)
Limit : 0.12 mm (0.0047 mm)
014RW037
014RW031
014RW035