Isuzu 4ja1 - Page 24

6A – 2 ENGINE MECHANICAL
Disassembly............................................................................................................... 6A- 47
Internal Parts .......................................................................................................... 6A- 47
Major Components ............................................................................................. 6A- 47
Minor Components ............................................................................................. 6A- 56
Rocker Arm Shaft and Rocker Arm ............................................................... 6A- 56
Cylinder Head .................................................................................................. 6A- 57
Piston and Connecting Rod ........................................................................... 6A- 59
Inspection and Repair ............................................................................................... 6A- 61
Cylinder Head ......................................................................................................... 6A- 61
Rocker Arm Shaft and Rocker Arm....................................................................... 6A- 68
Cylinder Body ......................................................................................................... 6A- 69
Camshaft................................................................................................................. 6A- 77
Crankshaft and Bearing......................................................................................... 6A- 79
Crankshaft Bearing Selection ............................................................................... 6A- 83
Crankshaft Pilot Bearing ....................................................................................... 6A- 85
Flywheel and Ring Gear......................................................................................... 6A- 85
Piston ...................................................................................................................... 6A- 86
Cylinder Head Gasket Selection ........................................................................... 6A- 88
Connecting Rod...................................................................................................... 6A- 90
Idler Gear Shaft and Idler Gear ............................................................................. 6A- 91
Timing Gear Case Cover........................................................................................ 6A- 91
Reassembly................................................................................................................ 6A- 93
Internal Parts .......................................................................................................... 6A- 93
Minor Component ............................................................................................... 6A- 93
Rocker Arm Shaft and Rocker Arm ............................................................... 6A- 93
Cylinder Head .................................................................................................. 6A- 94
Piston and Connecting Rod ........................................................................... 6A- 96
Positive Crankcase Ventilation (PCV) Valve................................................. 6A- 99
Major Component ............................................................................................... 6A- 101
Installation.................................................................................................................. 6A- 118
External Parts ......................................................................................................... 6A- 118
Lubrication System ....................................................................................................... 6A- 126