2007 ISUZU KB P190 cooling

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Page 810 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE MECHANICAL   6A – 5 
Engine model
Item  4JA1T (L) 
4JA1TC 
Cooling system   
  W ater pump type Centrifugal 
  Thermostat type W ax pellet with jiggle valve 
Air cleaner type Dry paper elemen

Page 812 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE MECHANICAL   6A – 7 
 
Engine model
Item  4JH1TC 
Cooling system  
  W ater pump type 
 Thermostat type 
Air cleaner type 
  
Battery type/voltage  × No. of units  
  
 
 
Generator capacity

Page 817 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6A – 12  ENGINE MECHANICAL 
Cooling and Lubricating System 
N·m (kg·m/lb·ft) 
 
  
 
 
 
RTW 46AXF000701 
 
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ISUZU KB P190 2007

Page 832 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE MECHANICAL   6A – 27 
111R300001 
  
 
 COOLING SYSTEM 
Coolant Level 
Check the coolant level and replenish the radiator reserve  
tank as necessary.  
If the coolant level falls below the

Page 833 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6A – 28  ENGINE MECHANICAL 
 
 
Cooling System Inspection 
Install a radiator filler cap tester to the radiator. Apply  
testing pressure to the cooling system to check for 
leakage. The testing pre

Page 834 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE MECHANICAL   6A – 29 
 
 
 Thermostat Operating Test 
1.  Completely submerge the thermostat in water.  
2.  Heat the water.  Stir the water constantly to avoid direct heat being  
applied to

Page 835 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6A – 30  ENGINE MECHANICAL 
 
 
Cooling Fan Pulley Drive Belt 
Fan belt tension is adjusted by moving the generator.  
Depress the drive belt mid-portion with a 98N (10 kg/22 lb)  
force.  
Cooling

Page 846 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE MECHANICAL   6A – 41 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Coolant Replenishment 
Warning:  
When the coolant is heated to a hig
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