Coolant Pump

Special tools and workshop equipment required 

• Drip Tray VAS 6208

Removing 

-- Open cap of coolant expansion tank.

-- Disconnect the electrical connector on the mass airflow (MAF) sensor -G70- -3-.

Fig 1: Mass Air Flow (MAF) Sensor G70 Electrical Harness Connector, Clips & Front Air Intake Connector On Lock Carrier

Courtesy of AUDI OF AMERICA, LLC

-- Open clips -1 and 2- and remove air guide hose from MAF sensor.

-- Remove the front air intake connector on lock carrier -4-.

-- Remove engine cover.

-- Remove center noise insulation fasteners -1 to 4-.

Fig 2: Center Noise Insulation Fasteners And Center Noise Insulation Panel

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-- Remove the right noise insulation -arrows-.

Fig 3: Removing Right Noise Insulation -Arrows-

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-- Remove noise insulation frame -arrow-.

Fig 4: Identifying Noise Insulation Frame

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-- Drain the coolant. Refer to COOLING SYSTEM, DRAINING AND FILLING .

-- Remove toothed belt. Refer to TOOTHED BELT, WITHOUT DIVIDED TOOTHED BELT GUARD .

-- Remove the coolant pump bolts -1- and then remove the coolant pump -2-.

Fig 5: Coolant Pump, Overview

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-- Remove O-ring -3-.

Installing 

Install in reverse order of removal. Note the following:

• For the correct tightening specifications, refer to COOLING SYSTEM OVERVIEW 

-- Clean and/or smooth O-ring sealing surface.

-- Coat the new O-ring -3- with coolant.

Fig 6: Coolant Pump, Overview

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-- Insert coolant pump -2-.

• Installation position: Sealing plug in housing points downward

-- Tighten coolant pump bolts -1-.

-- Install toothed belt. Refer to TOOTHED BELT, WITHOUT DIVIDED TOOTHED BELT GUARD .

-- Install the ribbed belt. Refer to RIBBED BELT .

-- Fill with coolant. Refer to COOLING SYSTEM, DRAINING AND FILLING .