A8L V8-4.2L (BFM) (2004)
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Remove the left cylinder head cover. Refer to => [ Left Cylinder Head Cover ] See: Engine, Cooling and Exhaust/Engine/Cylinder Head
Assembly/Valve Cover/Service and Repair/Removal and Replacement/Left Cylinder Head Cover.
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Disconnect the electrical connector - arrow - from the Camshaft Position (CMP) sensor 2 (G163).
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Remove the CMP sensor bolts and sensor.
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Remove the CMP sensor washer and cover.
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Rotate the crankshaft using the crankshaft toothed belt gear bolt counterclockwise approximately 45 degrees so that no pistons are at Top Dead
Center (TDC).
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Verify the camshaft TDC position again: