Allroad Quattro V8-4.2L (BAS) (2004)
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Disconnect connector -2- at Engine Coolant Temperature (ECT) Sensor -G2-/-G62-.
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Remove nut -1- and detach wiring harness at rear coolant pipe.
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Unfasten hose clamp -1- using VAS 5024 A.
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Unfasten hose clamp -6- using VAS 5024 A and detach coolant hose.
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Remove bolts -2- to -5-.
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Remove rear coolant pipe.
Installing
Install in reverse order, paying attention to the following:
Note:
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Replace O-rings.
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Re-attach aft cable ties at same location on installation.
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Secure all hose connections with standard hose damps; Refer to Part Supplier
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Clean/smooth sealing surfaces for O-rings before installing.
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Coat new O-rings with acid-free grease (Vaseline), install rear coolant pipe in position and screw on.
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Install right coolant pipe.
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Fill with coolant.
Tightening torques