Coolant Pump, Removing And Installing: Removing

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Drain the coolant. Refer to DRAIN THE COOLANT .

Audi A6/A7 with Particulate Filter:

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-- Free up the wiring harness.

-- Lift the clamps -1 and 2-, remove and free up the coolant hoses.

-- Disconnect the connector -4- for the Engine Coolant Level Sensor -G32-.

-- Remove the bolt -3- and remove the coolant expansion tank.

All Audi A6/A7: 

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-- Lift the clamp -2- and remove the coolant hose.

-- Lift the clamp -1-, loosen the hose clamp -2- and remove the coolant hoses.

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-- Unlock the catch in direction of -arrow A- and release in direction of -arrow B-, and remove the vacuum hose.

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Continuation for All Vehicles: 

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-- Disconnect the connectors -2 to 5-.

Audi A6/A7 

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-- Remove the bolt -1- and move the bracket -2- with the engine wiring harness to the side.

Audi A4/A5/Q5: 

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-- Free up the engine wiring harness -1-.

-- Remove the bolt -arrow- and the bracket -2-.

Vehicle Without Particulate Filter:

Fig 1: Oil Pressure Switch, Level 3 -F447- Installation Position -2-

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-- Disconnect the connector -1- for the Oil Pressure Switch, Level 3 -F447- -2-.

-- Remove the bolts -arrows- and remove the toothed belt guard.

Vehicles with a Particulate Filter: 

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-- Disconnect the connector -2- for the Oil Pressure Switch, Level 3 -F447-.

-- Free up the wiring harness -3-.

-- Remove the bolts -arrows- and remove the toothed belt guard -1-.

Continuation for All Vehicles: 

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-- Remove the bolts -1 through 4-, and remove the coolant pump from the Engine Temperature Control Actuator -N493-.

-- Remove the toothed belt from the coolant pump.