A8 Quattro Sedan V8-4.2L (BGK) (2006)
Compression Check: Testing and Inspection
Compression, Checking
Special tools, testers and auxiliary items required
‹› Spark plug removal tool (3122B)
‹› Compression tester (VAG 1763)
Test Conditions
‹› Engine oil temperature at least 30° C (86° F).
‹› Battery voltage at least 12.7 volts
Test Sequence
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Remove the engine cover - 1 and 2 - upward.
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Remove the hose - 1 -.
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Disconnect the hose - 1 -.