PRE-RELEASE
Compression check
| Compression check |
| 1. |
Engine at running temperature (oil temperature >= 80°C).
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| 2. |
Remove the engine protection cover.
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| 3. |
Pull off the cable set connector (2) from the ignition module (3).
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| 4. |
Remove the ignition module form the camshaft cover and cylinder head respectively and pull it off the spark plugs using KM-6009 (
83 96 335 Removal tool, ignition discharge module Z18XE
) (1).
Remove the spark plug using 83 95 485 Spark plug socket, with guide sleeves . |
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| 5. |
Open the throttle valve using TECH II - use the "compression test" program (TECH II). Use a compression tester with measuring range up to 1750 kPa (17.5 bar).
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| 6. |
Run the starter motor for about 4 seconds - min 300 rpm. The pressure difference between cylinders should not exceed 100 kPa (1 bar).
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| 7. |
Fit the spark plugs with
83 95 485 Spark plug socket, with guide sleeves
- tightening torque 25 Nm.
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| 8. |
Put the ignition module onto the spark plugs and fit it onto the camshaft cover - tightening torque 8 Nm.
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| 9. |
Fit the ignition module cable set connector.
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| 10. |
Fit the engine cover.
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