Isuzu KB P190. Manual - part 617

6G-4  ENGINE LUBRICATION 

Oil Pump 

Oil Pump and Associated Parts 

Legend

1 Oil Pump Assembly
2 Oil Pressure Switch

3 Gasket
4 Sleeve

 

 

 

 

 

Disassembly 

1.  Remove crankshaft timing pulley. 

2.  Remove oil pan. 

3.  Remove oil strainer. 

4.  Remove oil pump assembly. 

5.  Remove oil pressure switch. 

6. Remove gasket. 

7. Remove sleeve. 

 

ENGINE LUBRICATION  6G-5 

 

Inspection and Repair 

CAUTION: Make necessary correction or parts 
replacement if wear, damage or any other abnormal 
conditions are found through inspection. 

Body and Gears 

The pump assembly must be replaced if one or more of the 
conditions below is discovered during inspection: 
Indentation of gear pair - Use feeler strip and straight edge. 
 

Dimension: 0.03 mm to 0.10 mm 

 

(0.0012 to 0.0039 in) 

 

 

 

Oil Strainer 

Check the oil strainer for cracking and scoring. If cracking and 
scoring are found, the oil strainer must be replaced. 
 

 

 

 

Reassembly 

1.  Install oil pressure switch to the oil pump. 

 

Torque: 40 N

⋅⋅⋅⋅m (4.1 kgf⋅⋅⋅⋅m) 

2.  Install the oil pump with the sleeve and the gasket. 

 

Torque: 6 N

⋅⋅⋅⋅m (0.6 kgf⋅⋅⋅⋅m) 

3.  Install oil strainer. 

 

Torque: 8 N

⋅⋅⋅⋅m (0.8 kgf⋅⋅⋅⋅m) 

4.  Install the oil pan. 

 

Tighten the bolts:  

 15 

N

⋅⋅⋅⋅m (1.5 kgf⋅⋅⋅⋅m) 

5.  Install crankshaft timing pulley. 

 

Tighten the bolts: 

 20 

N

⋅⋅⋅⋅m (2.0 kgf⋅⋅⋅⋅m) 

 

6G-6  ENGINE LUBRICATION 

Oil Pan 

Oil Pan and Associated Parts 

(2.4L 4

×

4 Model)

(2.4L 4

×

2 Model)

 

 

 

 

 
 

Important 

Disassembly 

1.  Loosen a drain plug to drain oil. 

2.  Remove engine hood. 

3.  Remove engine rear mounting. 

4.  Remove transmission assembly. 

5.  Remove engine front mounting. 

6.  Raise the vehicle and support with switch stands, and then

remove engine. 

7.  Remove oil pan. 

ENGINE LUBRICATION  6G-7 

 
 

  

 

 

 

 

 
 

 

Inspection and Repair 

CAUTION: Make necessary correction or parts 

replacement if wear, damage or any other 
abnormal conditions are found through 
inspection. 

 

Reassembly 

To install, follows the disassembly steps in the reverse order. 
 
Important 
Sealer - Apply silicon into groove in oil pan lugs prior to fitment 

of oil pan to block, remove excess sealer after oil pan 
is bolted to block. 

 

(2.4L 4

×

4 Model)

4

3

1

2

 

(2.4L 4

×

2 Model)

4

3

1

2

 

Torque 

Bolts - Tighten bolts to the specified torque. 
Torque : 20 N

xm (2.0 kgfxm) 

Engine oil - Refill engine oil to the oil pan. 

(Lit)

  Replacement Oil Fill Volume 

2.4L 

Without filter change 

4.00 

With filter change 

4.25