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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Engine Mechanical >> Cooling Fan >> Cooling System 2.0L (DMSA) >> 19 Cooling System >> Coolant Pump/Coolant Thermostat >> Coolant Pump, Removing And Installing >> Removing

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 .

-- Disconnect the connectors -2 to 5-.

GWWA15-11643Courtesy of AUDI OF AMERICA, LLC

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

GWWA17-11236Courtesy of AUDI OF AMERICA, LLC

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

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

Fig 1: Oil Pressure Switch, Level 3 -F447- Installation Position -2-
GWWA19-11453Courtesy of AUDI OF AMERICA, LLC

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

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

Fig 2: Coolant Pump - Tightening Sequence
GWWM19-10052Courtesy of AUDI OF AMERICA, LLC

-- Remove the toothed belt from the coolant pump.