S6 Quattro Sedan V10-5.2L (BXA) (2007)
-
Remove nuts - A - and - B - (torque of 4 Nm).
-
Mark the assignment of coolant hoses - A - (supply to left heat exchanger) and - B - (supply to right heat exchanger).
-
Disconnect connector - D - to the Left Heat Regulation Valve (N175) and Right Heat Regulation Valve (N176).
-
Disconnect connector - E - to the Coolant Pump (V50).
-
Clamp off coolant hose - C - (from the engine to the Coolant Pump (V50)) e.g. using hose clamps up to 25 mm dia. (3094).
-
Remove coolant hoses - A -, - B - and - C - from the pump/valve unit connections.