S6 Quattro Sedan V10-5.2L (BXA) (2007)
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Loosen hose clamps - 1 - and - 4 - and remove right coolant pipe from coolant hoses.
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Remove nuts - 2 - and - 4 - and remove connector bracket from rear coolant pipe.
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Free up engine wiring harness on rear coolant pipe.
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Disconnect electrical connector - 3 - on Engine Coolant Temperature (ECT) Sensor (G62).
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Remove coolant hose - 5 - from rear coolant pipe.
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Remove bolts - 1 - and - 6 - and remove rear coolant pipe.
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Remove bolts - 1 through 8 - and then carefully remove the left cover for the timing chain from the bond.