To remove

Man: Put the gear lever in neutral. Aut: Put the selector lever in position P. Remove the key from the ignition switch.
Remove relay no. 8 in the underhood electrical center. See Fig 1.

Fig 1: Locating Relay No. 8
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Connect 83 93 886 Diagnostics cable, LH system to relay holder sleeves 87 and 30. Make sure that the switch is in the OFF position.

Fig 2: Locating 83 93 886 Diagnostics Cable
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Remove the cover over the ignition coils, undo the ignition coils and move them aside.

Fig 3: Identifying Ignition Coils Cover
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Remove the spark plugs.

Fig 4: Identifying Spark Plugs
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Fit the Motometer compression tester for petrol engines to cylinder 1 with a new card.

Fig 5: Identifying Motometer Compression Tester
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Run the starter motor using the test lead switch until the needle stops rising.
Repeat the measurement procedure on the other cylinders. For minimum compression pressure, see GENERAL DATA .