New Beetle L4-1.8L Turbo (BNU) (2005)
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Remove engine cover.
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Remove ignition coils as follows:
Engine code APH
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Disconnect 4-pin connector - arrow - from ignition coils.
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Remove securing bolts and remove ignition coils with output stages vertically from spark plugs.
Engine codes AWP, AWV, BKF, BNU
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Disconnect 4-pin connector - 2 - from ignition coils - 1 -.
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Pull ignition coils with final output stages vertically off of spark plugs with ignition coil puller T40039.
Continuation for all engine codes
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Remove spark plugs with spark plug removal tool 3122 B.
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Have a second technician depress accelerator pedal so that throttle valve is fully open.
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Check compression with compression tester V.A.G 1381 or V.A.G 1763.
Note:
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Using the compression tester Tester operating instructions.
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Operate starter until tester shows no further pressure increase.
Compression pressure
New: 10...13 bar