Reassembly - Isuzu 1999 RODEO Workshop Manual

6A–50 ENGINE MECHANICAL (X22SE 2.2L)
Crankshaft Bearing Selection
When installing new crankshaft bearings or replacing
bearings, refer to the selection table below. Select and
install the new crankshaft bearings.
Crankshaft grinding dimensions
Production and Service
Crankshaft bearing journal dia.
Standard size
Undersize 0.25 (0.0097)
green/blue
brown/blue
Undersize 0.5 (0.0195)
green/white
brown/white
Guide bearing width
Standard size
Undersize 0.25 (0.0097)
Undersize 0.5 (0.0195)
NOTE: Take care to ensure the bearings are positioned
correctly.
Crankshaft pulse pickup sensor disc inspection and
repair.
Inspect the crankshaft pulse pickup sensor disc for
excessive wear and damage.
Replace the crankshaft pulse pickup sensor disc if the
inspection exceeds wear and damage.
white
green
brown
015RW039
mm (in)
57.974 to 57.981 (2.260–2.261)
57.981 to 57.988 (2.261–2.2615)
57.988 to 57.995 (2.2615–2.2618)
57.732 to 57.738 (2.2515–2.2517)
57.738 to 57.745 (2.2517–2.252)
57.482 to 57.488 (2.2418–2.242)
57.488 to 57.495 (2.242–2.2423)
25.950 to 26.002 (1.012–1.014)
26.150 to 26.202 (1.019–1.021)
26.350 to 26.402 (1.027–1.029)

Reassembly

1. Crankshaft (12).
f Install the crankshaft pulse pickup sensor disc.
Torque: 13 N·m (10 lb ft)
f Install the main bearings to the cylinder block and
the main bearing caps.
f Be sure that they are positioned correctly.
f Apply new engine oil to the upper and lower main
bearing faces.
NOTE: Do not apply engine oil to the main bearing back
faces.
f Carefully mount the crankshaft.
f Apply engine oil to the thrust washer.
f Assemble the thrust washer to the No.3 bearing
journal. The oil grooves must face the crankshaft.
f Tighten the crankshaft baring cap bolts in 3 steps:
1st step: 50 N·m (36 lb ft)
2nd step: 45°
3rd step: 15°