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 342.

Fig 1: Illustration For Step 2
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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: Illustration For Step 3
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Remove the cover over the ignition coils, undo the ignition coils and move them aside.

Fig 3: Illustration For Steps 4
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Remove the spark plugs.

Fig 4: Illustration For Step 5
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Fit the Motometer compression tester for petrol engines to cylinder 1 with a new card.

Fig 5: Illustration For Step 6
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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 .