S4 V8-4.2L (BHF) (2004)
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Coolant Line/Hose: Service and Repair
Rear Coolant Pipe, Removing and Installing
Rear coolant pipe, removing and installing
Special tools, testers and auxiliary items required
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Pliers for spring clamps VAS 5024 A
Removing
Note: All cable ties opened or cut during repairs must be reinstalled at the same locations.
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Drain engine coolant
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Bring lock carrier into service position See: Body and Frame/Lock Carrier/Service and Repair/Procedures
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Remove right coolant pipe
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Remove engine support bridge 10-222 A from engine compartment.
Note: Engine support bridge was necessary to remove right coolant pipe, but it hinders the following work sequence.
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Remove coolant hoses - 1 - and - 2 -.
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Unbolt coolant reservoir - arrow -.
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Disconnect electrical wiring to Engine Coolant Level (ECL) Warning Switch -F66- at bottom of expansion tank.
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Remove harness connectors - 1 to 4 - from bracket at left of bulkhead.
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Unscrew bracket from bulkhead.