SsangYong Rexton. Service manual — part 394

DIESEL ENGINE MECHANICAL 1B3-151

SSANGYONG Y200

CYLINDER HEAD PRESSURE LEAKAGE TEST

Preceding Work:

Removal of the cylinder head

Removal of the exhaust manifold

Removal of the valve

1 Feed Pipe
2 Bolt
3 Return Connection
4 Gasket. . . . . . . . . . . . . . . . ..

Replace

5 Coolant Gallery . . . . . . . . . . . . .

Sealing

6 Pressure Measuring Plate . . . . . . . . ...

Completely tight to the cylinder head

7 Cylinder Head . . . . . . . . . . . . . ..

Immerse with pressure measuring plate into warm water of approx. 60°C (140°F) and pressurize with
compressed air of 2 bar.

Notice: If air bubbles are seen, replace the cylinder head.

Tools Required

115 589 34 63 00

Mounting Device

601 589 00 25 00

Pressure Testing Device

YAD1BK30

SSANGYONG Y200

1B3-152 DIESEL ENGINE MECHANICAL

FACING CYLINDER HEAD MATING SURFACE

Preceding Work:

Removal of prechamber

Cylinder head pressure leakage test

1 Valve
2 Cylinder Head
3 Prechamber

A Height of Cylinder Head

B Longitudinal Direction
C Transverse Direction

a Valve Arrears

b Prechamber Protrusion

Service Data

YAD1BK40

Height ‘A’

(Cylinder Head Surface - Cylinder Head Cover Surface)

Minimum Height After Machining

Permissible Unevenness of Parting Surface

Permissible Variation of Parallelism (Longitud. direction)

Peak-to-Valley Height

Valve Arrears ‘a’

Prechamber Protrusion ‘c’

In Longitudinal Direction

In Transverse Direction

Intake Valve

Exhaust Valve

142.9 - 143.1 mm

142.5 mm

0.08 mm

0.0 mm

Max. 0.1 mm

0.0017 mm

0.1 - 0.7 mm

0.1 - 0.7 mm

7.6 - 8.1 mm

DIESEL ENGINE MECHANICAL 1B3-153

SSANGYONG Y200

YAD1BK50

YAD1BJS0

YAD1BK60

Measurement Procedure

1. Measure height ‘A’.

2. Insert the valve (1) and measure valve arrears ‘a’.

3. Install the prechamber and measure protrusion ‘c’

Notice: If out of standard, machine the valve seat.

4. Assemble the engine and check the valve timing.

Notice: If the height is less than 142.5 mm,
replace the cylinder head.

Limit

142.5 mm

Valve Arrears ‘a’

0.1 - 0.7 mm

Protrusion ‘c’

7.6 - 8.1 mm

SSANGYONG Y200

1B3-154 DIESEL ENGINE MECHANICAL

REPLACEMENT OF CRANKCASE CORE PLUG

Core Plug

YAD1BK70

Service Data

Left

Right

Front

Rear

φ

34 mm

3 EA

φ

34 mm

3 EA

φ

17 mm

1 EA

φ

34 mm

1 EA