Isuzu A-4JB1 Repair Manual

ENGINE ASSEMBLY ( 3 )
8. Camshaft with Camshaft Timing Gear and Thrust
Plate
1) Apply a coat of engine oil to the camshaft and
the camshaft bearings.
2) Install the camshaft to the cylinder body.
Take care not to damage the camshaft bearings.
3) Tighten the thrust plate to the specified torque.
Thrust Plate Bolt Torque kgf·m(lb.ft/N·m)
1.4 – 2.4 (10.1 – 17.3/13.7 – 23.5)
4) Check to see that the camshaft turns smoothly
by rotating it manually.
96
9. Piston and Connecting Rod with Upper Bearing
10. Connecting Rod Bearing Cap with Lower Bearing
1) Apply a coat of engine oil to the circumference
of each piston ring and piston.
1
2
3
2) Position the piston ring gaps as shown in the
illustration.
1 1st compression ring
2 2nd compression ring
3 Oil ring
3) Apply a coat of molybdenum disulfide grease to
the two piston skirts.
This will facilitate smooth break-in when the
engine is first started after reassembly.
1
2
3
4) Apply a coat of engine oil to the upper bearing
surfaces.
Note:
Do not apply engine oil to the bearing back faces and the
connecting rod bearing fitting surfaces.
5) Apply a coat of engine oil to the cylinder wall.

Isuzu A-4JB1 Specifications

General

Brand	Isuzu
Model	A-4JB1
Category	Engine
Language	English