2007 ISUZU KB P190 Workshop Repair Manual

Page 2073 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE MECHANICAL (C24SE) 6A-59 
 
  
  
 
  
 
Bypass Valve 
Removal 
  1.  Remove oil filter.  
  2.  Remove bypass valve by cutting thread in locking disc  with M 10 tap (3rd stage), turning in M 1

Page 2074 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6A-60 ENGINE MECHANICAL (C24SE) 
 
 Oil Pump Safety Valve 
Removal 
  1.  Remove closure plug.  
  2.  Remove seal ring. 
 3.  Remove spring. 
 4.  Remove piston.  
 
 
  
 
 
 
  
 
Installation 
  1

Page 2075 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE MECHANICAL (C24SE) 6A-61 
OPERATIONS ON OIL CIRCULATION 
 
 Cylinder Head Safety Valve 
Removal 
  1.  Remove cylinder head according to the corresponding operation. 
  2.  Make hole in core pl

Page 2076 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6A-62 ENGINE MECHANICAL (C24SE) 
Installation 
  1.  Install new pressure valve into cylinder head - with suitable pipe until stop. 
 
   2.  Install core hole plugs into cylinder head - with suitable

Page 2077 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE MECHANICAL (C24SE) 6A-63 
OPERATIONS ON COOLING SYSTEM 
 Caution! 
Before working with the cooling system, be sure to confirm that  
the temperature of the engine is cooled down. 
Failure to ob

Page 2078 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6A-64 ENGINE MECHANICAL (C24SE) 
 Important! 
Do not loosen or open the radiator cap when coolant is hot.  
Doing so may cause hot water or steam to splash out, resulting 
in burn. W hen opening the r

Page 2079 of 6020

ISUZU KB P190 2007  Workshop Repair Manual ENGINE MECHANICAL (C24SE) 6A-65 
ENGINE EXTERNAL PARTS 
Radiator 
 
 
Removal 
  1.  Disconnect battery ground cable.  
  2.  Loosen a drain plug to drain EC. 
  3.  Disconnect radiator inlet hose and

Page 2080 of 6020

ISUZU KB P190 2007  Workshop Repair Manual 6A-66 ENGINE MECHANICAL (C24SE) 
 
Installation 
Follow the removal procedure in the reverse order to install the  
radiator.  
 
 
  
 Thermostat 
Removal 
  1.  Remove water outlet nozzles with ther