Isuzu 4ja1 User Manual

ENGINE MECHANICAL 6A – 47
DISASSEMBLY
INTERNAL PARTS
MAJOR COMPONENTS
Disassembly Steps-1
1. Water bypass hose 5. Rocker arm shaft and rocker
2. Thermostat housing with thermo arm
switch 6. Push rod
3. Cylinder head cover 7. Cylinder head
4. Injection nozzle and bracket 8. Cylinder head gasket
011R300001

Isuzu 4ja1 Specifications

General

Fuel Type	Diesel
Cylinder Configuration	Inline-4
Fuel System	Indirect Injection
Aspiration	Naturally Aspirated
Compression Ratio	21.5:1
Cooling System	Water-cooled
Engine Type	Diesel
Displacement	2.5 L (2499 cc)
Bore x Stroke	93 mm x 92 mm
Maximum Torque	176 Nm (130 lb-ft) at 2000 rpm
Valvetrain	Overhead Valve (OHV)