S4 V8-4.2L (BHF) (2004)
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Disconnect hose of crankshaft housing ventilation - arrow -.
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Unscrew bolts for right cylinder head cover in sequence - 15 to 1 -.
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Remove cylinder head cover.
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Disconnect electrical harness connector - arrow - for Camshaft Position (CMP) Sensor 2 -G163- on left cylinder head.
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Disconnect electrical harness connector - arrow - for Camshaft Position (CMP) Sensor -G40- on right cylinder head.
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Unscrew Ground (GND) cable on right cylinder head - arrow -.
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Set wiring harness aside.
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Remove bolts - 1 to 6 - and remove left cover for timing chain.
