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Home >> Audi >> 2025 >> S4 Premium >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Cooling System (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine) >> 19 Cooling System >> Coolant Pump/Coolant Thermostat >> Map Controlled Engine Cooling Thermostat -F265-, REMOVING AND INSTALLING >> Installing

Map Controlled Engine Cooling Thermostat -F265-, REMOVING AND INSTALLING: Installing

GWWA19-13284Courtesy of AUDI OF AMERICA, LLC

-- Push the seal -1- on the Thrust Piece :T40425  -arrows-.

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GWWA19-13402Courtesy of AUDI OF AMERICA, LLC

If the Thrust Piece :T40425  can not be positioned flush, due to it touching the front coolant pipe, then the thrust piece must be refinished accordingly at the upper tab -arrow- using a file.

-- Install the seal with the Thrust Piece :T40425  , in order to do this, install the bolts -arrow- alternating turns of 1 /2 all the way.

GWWA19-13285Courtesy of AUDI OF AMERICA, LLC

Installation continues in reverse order of removal.

There may be additional procedures depending on the model. Refer to Map Controlled Engine Cooling Thermostat -F265-, REMOVING AND INSTALLING .