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Isuzu 4JH1 User Manual

Isuzu 4JH1
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6B – 10 ENGINE COOLING
WATER PUMP
REMOVAL AND INSTALLATION
Read this Section carefully before performing any removal and installation procedure. This Section gives you
important points as well as the order of operation. Be sure that you understand everything in this Section before you
begin.
Removal
1. Radiator Upper Hose
1) Partially drain the engine coolant.
2) Remove the radiator upper hose.
031R300003
2. Water Outlet Pipe
1) Disconnect the turbocharger-cooling pipe from outlet
pipe.
2) Loosen the fixing bolt and remove the water outlet
bolt.
3. Thermostat
Remove the thermostat from the thermostat housing.
Take care not to damage the thermostat.
4. Upper Fan Shroud
5. Fan and Fan Clutch
1) Loosen the fan clutch nuts.
2) Remove the fan together with the fan clutch. Take
care not to damage the radiator core.
6. Fan Drive Belt and Pulley
1) Loosen the tension adjust bolt on the generator.
2) Remove the fan drive belt with the fan pulley.
030R300001
7. Water Pump
1) Remove the water pump bolts.
2) Remove the water pump.
030R300002

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Isuzu 4JH1 Specifications

General IconGeneral
BrandIsuzu
Model4JH1
CategoryEngine
LanguageEnglish

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