2007 ISUZU KB P190 engine

6A-30 ENGINE MECHANICAL (C24SE)
Toothed Belt Rear Cover
(Engine with toothed belt tension
roller)



Removal
1. Mark operating direction of toothed belt.
2. Remove toothed belt according to the operation "Toothed Belt".
3. Remove toothed belt tension roller according to the operation "Toothed Belt Tension Roller ".




4. Remove fastening bolt while counterholding with 5-8840-
2598-0 (Holding wrench).


5. Remove toothed belt drive gear while counterholding with
5-8840-2598-0 (Holding wrench).
6. Remove camshaft housing cover.
7. Remove camshaft pulley while counterholding at hex head of camshaft.


8. Remove toothed belt rear cover (arrows) from oil pump
and camshaft housing.


BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

ENGINE MECHANICAL (C24SE) 6A-31






Installation
1. Install toothed belt rear cover.
2. Install camshaft pulley while counterholding at camshaft hex head.
3. Install camshaft housing cover.

Tighten (Torque)
Toothed belt rear cover to oil pump and camshaft housing - 6
N ⋅m/4 lbf ft.
Camshaft housing cover to housing - 6 N ⋅m (0.6 kgf ⋅m).
Camshaft pulley to camshaft - 45 N ⋅m (4.6 kgf ⋅m).




4. Install toothed belt drive gear to crankshaft - 130 N
⋅m
(13.3 kgf ⋅m).
5. Install toothed belt according to the operation "Toothed Belt".


Toothed Belt Tension Roller
Removal
1. Mark operating direction of toothed belt.
2. Remove toothed belt according to the operation "Toothed Belt”.
3. Remove toothed belt tension roller (1) from oil pump.










Installation
1. Install toothed belt tension roller and make sure that the locking lever (1) engages in the guide lugs (arrowed) on
the oil pump housing.
2. Install toothed belt according to the operation "Toothed Belt" with paying attention to the operating direction of
toothed belt.

Tighten (Torque)
Toothed belt tension roller to oil pump - 25 N ⋅m (2.5 kgf ⋅m)


BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

6A-32 ENGINE MECHANICAL (C24SE)
COMPONENT PARTS
CYLINDER HEAD
(A)

1. Camshaft Housing Cover
2. Camshaft Housing
3. Camshaft
4. Cylinder Head

(A) Valve Drive


BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

ENGINE MECHANICAL (C24SE) 6A-33
HYDRAULIC VALVE LIFTER

1. Hydraulic Valve Lifter

1. Oil reservoir
2. Piston with ball head (moving)
3. Pressure cylinder (fixed)
4. Check ball
5. Pressure chamber
6. Oil feed



BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

6A-34 ENGINE MECHANICAL (C24SE)
OPERATIONS ON CYLINDER HEAD AND CAMSHAFT
HOUSING
Camshaft




Removal
1. Remove cylinder head according to the corresponding
operation.
2. Remove camshaft housing from cylinder head and lay housing on base provided
3. Remove rear sealing gasket and plate camshaft housing with taking care not to damage housing.
4. Remove thrust plate.





5. Remove camshaft.
6. Remove front sealing gasket and plate from camshaft housing with taking care not to damage housing.

Inspection
All parts.








Installation
1. Install camshaft.
2. Coat sliding surfaces with molybdenum disulphate paste.

Tighten (Torque)
Thrust plate for camshaft housing - 8 N ⋅m (0.8 kgf ⋅m)


BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

ENGINE MECHANICAL (C24SE) 6A-35
Camshaft Housing, Removal and
Installation
Cylinder Head
Important!
Remove cylinder head only from cold engine (room
temperature).



Removal
1. Remove ground cable from battery.
2. Open radiator drain tap and collect coolant.
3. Remove air intake hose.
4. Remove all cable connections, hoses and lines to the cylinder head.
5. Remove accelerator cable on the throttle valve.
6. Remove V-belt for alternator.




7. Remove front toothed belt cover according to the
corresponding operation.
8. Bring piston of 1st cylinder to TDC and mark the position.
9. Remove camshaft housing cover.
10. Remove camshaft timing gear after releasing tension on toothed belt.


11. Remove upper bolts of rear toothed belt cover.
12. Remove exhaust pipe from exhaust manifold.
13. Remove cylinder head after loosening bolts from outside inwards (at first quarter turn then half turn) in a spiral
pattern.
14. Remove camshaft housing from cylinder head.
15. Remove rocker arm, pressure parts and hydraulic valve lifter adjuster.


BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

6A-36 ENGINE MECHANICAL (C24SE)



















Clean
All sealing surfaces, drill holes in cylinder head bolts.

Check cylinder block and cylinder head for plane surface
according to the corresponding operations.

Installation
1. Install cylinder head sealing with marking "OBEN/TOP"
facing upwards and to right side of engine.
2. Install cylinder head on cylinder block.
3. Install hydraulic valve lash adjuster, pressure parts and rocker arm - molybdenum disulphate paste.
4. Install camshaft housing-Sealing Compound TB-1207C or equivalent.

Important!
Use new cylinder head bolts.
Screw in bolts until they rest on cover.




Torque - Angle Method
Cylinder head to cylinder block - 25 N ⋅m (2.5 kgf ⋅m)
Further turn angle 90 °+90 °+ 90 °.
Tighten cylinder head bolts from inside outwards. In four
stages in a spiral pattern.








5. Install rear toothed belt cover onto camshaft housing.
6. Install toothed belt and apply tension according to the corresponding operation.

Tighten (Torque)
Camshaft timing gear to camshaft - 45 N ⋅m (4.6 kgf ⋅m)




7. Install camshaft housing cover and front toothed belt
cover.
8. Install cable connections, all hoses and lines onto cylinder head.
9. Adjust accelerator cable for free of play.
10. Install V-belt according to the corresponding operation.
11. Install air intake hose.
12. Install front exhaust pipe.
13. Install ground cable onto battery.
14. Fill up cooling system and bleed according to the corresponding operation.

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

ENGINE MECHANICAL (C24SE) 6A-37


Hydraulic Valve Lifters, Replace
Removal
1. Remove the spark plug connectors and spark plugs.
2. Remove the camshaft housing cover.


Removal
3. Turn the crankshaft at fastening bolt of toothed belt drive gear in the direction of the engine rotation until the cam
of hydraulic valve lifter being replaced stands vertically.


Removal
4. Apply 5-8840-0457-0 to the camshaft housing, valve spring cap and tension valve spring.



Removal
5. Remove the cam follower from camshaft housing.
Note thrust pieces.
6. Remove hydraulic valve lifter from camshaft housing.



Camshaft Housing, Replace
Removal
Cylinder head-see operation “Cylinder Head. Remove and
Install”.






BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007