PRE-RELEASE
Checking engine compression, A20NFT/LHU
| Checking engine compression, A20NFT/LHU |
| To remove |
| 1. |
Man:
Put the gear lever in neutral.
Aut:
Put the selector lever in position P. Remove the key from the ignition switch.
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| 2. |
Remove relay no. 8 in the
Underhood electrical centre 342
.
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| 3. |
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.
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| 4. |
Remove the cover over the ignition coils, undo the ignition coils and move them aside.
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| 5. |
Remove the spark plugs.
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| 6. |
Fit the Motometer compression tester for petrol engines to cylinder 1 with a new card.
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| 7. |
Run the starter motor using the test lead switch until the needle stops rising.
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| 8. |
Repeat the procedure on the other cylinders. For minimum compression, see
Compression test, engine
.
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| To fit |
| 1. |
Fit the spark plugs.
Tightening torque 20 Nm (15 lbf ft) 
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| 2. |
Fit the ignition coils.
Tightening torque 10 Nm (7 lbf ft) |
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| 3. |
Fit the cover over the ignition coils.
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| 4. |
Remove the test cable and put back relay no. 8.
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