GTI L4-2.0L Turbo (CBFA) (2008)
Compression Check: Testing and Inspection
Compression, Checking
Special tools, testers and auxiliary items required
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Spark Plug Removal Tool 3122 B
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Ignition Coil Puller T40039
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Torque Wrench V.A.G 1331
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Compression Tester V.A.G 1763
Note:
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Observe safety precautions.
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Engine oil temperature at least 30° C
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Battery voltage at least 12.7 V
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Remove engine cover.
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Disconnect electrical connectors - arrows - on ignition coils.
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Remove ignition coils with the ignition coil puller T40039.
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Remove spark plugs, using spark plug removal tool 3122 B.
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Check compression using compression tester V.A.G 1763 and adapter V.A.G 1763/6.
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Operate starter until tester shows no further pressure increase.
Compression
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Install sparks plugs.
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Install ignition coils with power output stage.
Note:
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By separating the connections, DTCs are stored to memory. After the test, check the fault memory and erase, if necessary.
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Read engine control module DTC memory.