SsangYong Actyon Sports II. Instruction - page 66

01-12

3) Cylinder Pressure LeakageTest

Permissible Pressure Leakage

At Whole Engine

Max. 25 %

At Valve and Cylinder Head Gasket

Max. 10 %

At Piston and Piston Ring

Max. 20 %

OT (TDC)

1, 4

UT (BDC 180 °)

2, 3

Cylinder Number

Cylinder Number

Cylinder Pressure

Leakage Tester

Bosch, EFAW210A

Sun, CLT 228

01-13

1113-01

Leakage Test

Warm the engine up to normal operating temperature.

Disconnect the negative battery cable.

Remove the spark plugs.

Check the coolant level by opening the coolant reservoir cap and replenish if insufficient.

Open the engine oil filler cap.

Connect the tester to air pressure line and adjust the scale of tester.

Install the connecting hose to spark plug hole.

Position the piston of No.1 cylinder at TDC by rotating the crankshaft.

Connect the connecting hose to tester and measure the leakage volume after blowing up

5 bar of compressed air.

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Measure the leakage volume in the completely opening condition of throttle valve by pulling the

acceleration cable.

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Perform the pressure test according to the firing order.

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Firing Order: 1 - 3 - 4 - 2

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Compare the leakage pressure with the specifications.

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01-14

5. GENERAL DIAGNOSIS

01-15

1113-01

General Diagnosis (Cont'd)

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