volvo Workshop Repair Guides

Volvo Workshop Manuals

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2. Measure compression:

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Use compression tester tool No. 999 9689 with extension sleeve tool No. 115 8540, or equivalent.

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Measure compression in all cylinders.

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Reinstall spark plugs, screw in plugs until seal is in contact with cylinder head.

Tighten to: 25 Nm (18 ft lb).

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Reinstall components.

Maintenance > Tune-up and Engine Performance Checks > Compression Check > System Information > Technical Service Bulletins > Page 1513

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