Isuzu 4JH1 User Manual

ENGINE MECHANICAL 6A – 57
CYLINDER HEAD
RTW46ALF001201
Disassembly Steps
1. Intake manifold 6. Intake and exhaust valve
2. Intake manifold gasket 7. Valve stem oil seal
3. Split collar 8. Valve spring lower seat
4. Valve spring upper seat 9. Cylinder head
5. Valve spring

Isuzu 4JH1 Specifications

General

Bore x Stroke	95.4 mm x 104.9 mm
Compression Ratio	18.5:1
Fuel System	Direct injection
Cylinder Configuration	Inline-4
Valves per Cylinder	4
Fuel Type	Diesel
Engine Type	Diesel, four-stroke
Displacement	3.0 liters
Maximum Torque	217 lb-ft (294 Nm) @ 1800 rpm
Oil Capacity	6.5 liters (with filter)