Upper Coolant Pipe, Removing And Installing: Removing

WARNING: This page is about a different car, the 2020 Audi A3, 2019 Audi A3, and 2018 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

The Cooling System Is Under Pressure When the Engine Is Warm. 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.

-- Briefly open the coolant expansion tank cap -arrow- and release any residual pressure in the cooling system and then close it again until it locks.

Fig 1: Identifying Coolant Reservoir Cap

Courtesy of AUDI OF AMERICA, LLC

-- Remove the cylinder "3" ignition coil. Refer to IGNITION COILS WITH POWER OUTPUT STAGES, REMOVING AND INSTALLING .

-- Release the retainer in direction of -arrow- and remove the wiring duct -2- from bracket.

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1-.

-- Clamp off the coolant hoses -arrows- with the : 3094 .

Courtesy of AUDI OF AMERICA, LLC

-- Loosen the clamps and remove the coolant hoses.

-- Remove the bolts -1- and remove the upper coolant pipe.