Isuzu 4ja1 User Manual

6A – 78 ENGINE MECHANICAL
Camshaft and Camshaft Bearing Clearance
Use an inside dial indicator to measure the camshaft bearing
inside diameter.
Crankshaft Bearing Inside Diameter mm (in)
Standard Limit
50.00 - 50.03
(1.968 - 1.970)
50.08 (1.972)
If the clearance between the camshaft bearing inside diameter
and the journal exceeds the specified limit, the camshaft
bearing must be replaced.
Camshaft Bearing Clearance mm (in)
Standard Limit
0.055 (0.0022) 0.12 (0.0047)
Camshaft Bearing Replacement
Camshaft Bearing Removal
1. Remove the cylinder body plug plate.
2. Use the bearing replacer to remove the camshaft bearing.
Bearing Replacer: 5-8840-2038-0
Camshaft Bearing Installation
1. Align the bearing oil holes with the cylinder body oil holes.
2. Use the replacer to install the camshaft bearing.
Bearing Replacer: 5-8840-2038-0
014RY00034
014RY00035
014RY00036

Isuzu 4ja1 Specifications

General

Brand	Isuzu
Model	4ja1
Category	Engine
Language	English