Isuzu KB P190. Service manual — part 513

6A-38 ENGINE MECHANICAL (C24SE)

Inspection

All parts, if necessary replace.

When replacing camshaft, always replace all cam followers.

Installation

Insert hydraulic valve lifter (1) in camshaft housing.

Coat sliding surfaces of rocker arm with Mcs, Paste and insert

in camshaft housing.

Adjust

Adjustment of the hydraulic valve liters is not required.

Pretension is provided by the design.

Installation

1. Remove 5-8840-0457-0 and install the camshaft housing

cover.

2. Insert the spark plug connectors.

Tighten (Torque)

Guide plate to camshaft housing.

Insert camshaft with MoS

2

paste.

Installation

1. Install the front seal ring in camshaft housing with

5-8840-0451-0.

2. Install the camshaft housing rear cover.

3. Install the cylinder head.

ENGINE MECHANICAL (C24SE) 6A-39

Camshaft Housing, Check for Plane Surface

Clean

Sealing surfaces.

Inspection

Check length and width of sealing surface for deformation and
diagnosis for warpage and use straight edge feeler gauge.

Measure

Height of camshaft housing (sealing surface to sealing
surface).
Dimension I: (74.0 mm)

Cylinder Head, Removal and Installation

Important

Only remove cylinder head with engine cold (room
temperature).

Removal

1. Remove the alternator, power steering and V-belts.

Removal

2. Loosen the fastening bolts from alternator.

3. Loosen the lower alternator fastening bolt by swinging

the alternator to the rear.

Removal

4. Remove the front toothed belt cover.

5. Remove the toothed belt from camshaft pulley.

See operation "Timing Check and Adjust".

6A-40 ENGINE MECHANICAL (C24SE)

Removal

6. Remove the camshaft housing cover and camshaft

pulley by counter-holding at the hex head of camshaft.

Removal

7. Remove the fastening bolts from camshaft housing.

Removal

8. Remove the exhaust pipe from exhaust manifold.

9. Loosen the cylinder head bolts spirally from the outside

inwards (first 1/4, then 1/2 revolution).

Removal

1. Remove the camshaft housing from cylinder head.

2. Remove the cam followers, thrust pieces and hydraulic

valve lifters.

Note the allocation.

3. Remove the cylinder head.

Clean

Sealing surfaces, bores and threads of cylinder head bolts.

Inspection

Check cylinder head and cylinder block for plane surfface-see
operations “Cylinder Head, Check for Plane Surface” and
“Cylinder Block, Check for Plane Surface.”

ENGINE MECHANICAL (C24SE) 6A-41

Installation

1. Install the cylinder head gasket.

Mark "OBEN/TOP" on top and turn it towards timing side
of engine.

2. Place cylinder head on cylinder block.

1
2
3

Installation

1. Insert the hydraulic valve lifters (3), thrust pieces (2) and

cam followers (1) with MoS2 paste.

Note

allocation.

2. Apply a bead of Sealing Compound TB1207C to sealing

surface of cylinder head.

3. Install the camshaft housing on cylinder head.

Torque-Angle Method

Cylinder head and camshaft housing with new cylinder head
bolts to cylinder block.

Cylinder head bolts in sequence shown.

Installation

1. Install the rear toothed belt cover to camshaft housing.

2. Install the camshaft pulley to camshaft.

3. Install the camshaft housing cover to housing.

Installation

1. Install the toothed belt on camshaft pulley.

See operation "Timing Adjust".

2. Install the front toothed belt cover.