Isuzu 4JH1 User Manual

ENGINE COOLING 6B – 5
WATER PUMP
RTW46ASF000101
A centrifugal type water pump forcefully circulates the coolant through the cooling system.
The water pump is not disassembled type.
THERMOSTAT
030RY00005
A wax pellet type thermostat is used.
The jiggle valve accelerates engine warm-up.

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)