S4 V8-4.2L (BHF) (2004)
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Disconnect electrical harness connector - arrow - for Camshaft Position (CMP) Sensor -G40- on right cylinder head.
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Disconnect electrical harness connector - 2 - at Engine Coolant Temperature (ECT) Sensor -G2-/-G62-.
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Remove nut - 1 - and remove electrical wiring harness at rear coolant pipe.
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Remove hose clamp - 1 - using hose clamp pliers VAS 5024 A.
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Remove hose clamp - 6 - using hose clamp pliers VAS 5024 A and disconnect coolant hose.
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Remove bolts - 2 to 5 -.
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Remove rear coolant pipe.
Installing
Installation is performed in reverse order of removal. Note the following:
Note:
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Replace O-rings.
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Secure all hose connections using hose clamps appropriate for the model type
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During installation, reinstall all cable ties at the same locations.
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Clean and/or smooth O-ring sealing surfaces before installing.
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Coat new O-rings with non-corrosive lubricant (e.g. Vaseline), install rear coolant pipe and tighten.
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Install right coolant pipe
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Install lock carrier with attachments. See: Body and Frame/Lock Carrier/Service and Repair/Procedures