Isuzu A-4JB1 - Camshaft Bearing Installation; Camshaft End Play; Thrust Plate Replacement; Thrust Plate Removal

ENGINE ASSEMBLY ( 2 )
Camshaft Bearing Installation
1. Align the bearing oil holes with the cylinder body oil
holes.
2. Use the camshaft bearing replacer installer to install
the camshaft bearing.
Bearing Replacer: 5-8840-2038-0
64
Camshaft End Play
1. Before removing the camshaft gear 1, push the
thrust plate 2 as far as it will go toward the cam-
shaft gear 3.
2. Use a feeler gauge to measure the clearance
between the thrust plate and the camshaft journal.
If the measured value exceeds the specified limit,
the thrust plate must be replaced.
Camshaft End Play mm(in)
Standard Limit
0.050 – 0.114 (0.002 – 0.0045) 0.2 (0.008)
1
2
3
Thrust Plate Replacement
Thrust Plate Removal
1. Use the universal puller 1 to remove the camshaft
timing gear 2 .
Universal Puller: 5-8840-0086-0
2. Remove the thrust plate 3 .
1
2
3
Thrust Plate Installation
1. Install the thrust plate.
2. Apply engine oil to the bolt setting face and the bolt
threads.
3. Install the camshaft gear.
Camshaft Gear Torque kgf·m(lb.ft/N·m)
10.0 – 12.0 (72.4 – 86.8/98.1 – 117.7)