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Home >> Audi >> 2022 >> Q3 Premium Plus >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Cooling System (Mechanical) >> Cooling System 2.0L >> 19 Cooling System >> Coolant Pump/Coolant Thermostat >> Electric Coolant Pump, Removing And Installing >> Removing

Electric Coolant Pump, Removing And Installing: Removing

CAUTION:

The cooling system is under pressure when the engine is warm. There is a risk of scalding due to hot steam and hot coolant.

Scalding the skin and other parts of the body is possible.

- Wear safety gloves.

- Wear protective eyewear.

- Reduce the pressure by covering the coolant expansion tank cap with a cloth and carefully opening it.

-- Open the coolant reservoir cap -arrow-.

Fig 1: Identifying Coolant Reservoir Cap
GWWN10-10689Courtesy of AUDI OF AMERICA, LLC

FWD Vehicles: 

-- Remove the front noise insulation. Refer to OVERVIEW - NOISE INSULATION .

AWD Vehicles: 

-- Remove the rear noise insulation. Refer to OVERVIEW - NOISE INSULATION .

Continuation for All Vehicles: 

-- Remove the air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

Vehicles with Transmission Ventilation Hose. 

GWWA27-10443Courtesy of AUDI OF AMERICA, LLC

-- Detach the transmission ventilation -1- from the battery tray and set aside by releasing the catch -2- and removing the transmission ventilation upward -arrow-.

-- Move the transmission ventilation hose to the side.

Continuation for All Vehicles: 

GWWA21-10943Courtesy of AUDI OF AMERICA, LLC

-- Loosen the hose clamp -1-, remove the air duct hose from the charge air cooler.

-- Free up the coolant hose.

GWWA21-10825Courtesy of AUDI OF AMERICA, LLC

-- Free up the wiring harness -1 and 2- from the air duct pipe.

-- Loosen the screw-type clamp -4-.

-- Remove the bolts -arrows- and remove the air duct pipe.

-- Open the heat shield boot -3-.

GWWA19-11618Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -1-.

-- Clamp off the coolant hoses at the After-Run Coolant Pump -V51- using Hose Clamps - Up To 25mm: 3094  .

-- Place a cloth underneath to catch any escaping coolant.

-- Loosen the hose clamps -arrows- and remove the coolant hoses.

-- Remove the bolt -2- and the After-Run Coolant Pump -V51-.