Reassembly - Isuzu 2000 Trooper Workshop Manual

5. Remove the rod caps.
6. Measure the width of the plastigage and
determine the oil clearance. If the oil clearance
exceeds the limit, replace the rod bearing as a
set.
Standard : 0.019 mm–0.043 mm
(0.0007 in–0.0017 in)
Limit : 0.08 mm (0.003 in)
Big end Bore
1 Size Mark
Diameter
56.994-57.000
A
(2.2439-2.2441)
56.988-56.994
B
(2.2436-2.2439)
56.982-56.988
C
(2.2434-2.2436)

Reassembly

1. Install connecting rod
2. Install piston
3. Install piston pin
D Apply a thin coat of engine oil to the piston pin. Try to
insert the piston pin into the piston pin hole with
normal finger pressure.
NOTE: When changing piston / connecting rod
combinations, do not change the piston / piston pin
combination and do not reuse the old piston pin.
D Attach the piston to the connecting rod with the
piston front mark and the connecting rod front mark
on the same side.
7. Clean the plastigage from the bearings and the
Con–rod Bearing Selection
Select and install the new connecting rod bearings,
paying close attention to the connecting rod big end
diameter size mark (1).
NOTE: Take care not to confuse the alignment mark (2)
and the size mark (1) during the installation procedure.
015RS008
Connecting Rod
Crankshaft Pin
Bearing Thickness
Diameter
(Reference)
1.512-1.516
(0.0595-0.0597)
53.922-53.937 1.508-1.512
(2.1229-2.1235) (0.0594-0.0595)
1.504-1.508
(0.0592-0.0594)
ENGINE MECHANICAL
crankshaft pins.
Color of
Size
Mark
Yellow
Green
Pink
6A–79
015RS034
Oil Clearance
(Reference)
0.025-0.054
(0.0010-0.0021)
0.027-0.056
(0.0011-0.0022)
0.029-0.058
(0.0011-0.0023)
015RS036