Removing Heater Valve

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2023 Porsche Panamera, 2022 Porsche Panamera, 2021 Porsche Panamera, 2020 Porsche Panamera, and 2019 Porsche Panamera. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Danger of scalding

Coolant can be very hot.
Coolant may be pressurised.
→ Only remove the heater when the cooling system has cooled down.

→ By carefully opening the catch on the reservoir, make sure that the cooling system is depressurised.

NOTE: Danger of slipping due to emerging coolant

The emerging coolant will make the floor of the workshop slippery and may cause people to slip and fall over.
→ Collect emerging coolant in a suitable pan.

Clamp coolant hoses -3- using > V.A.G 1275A - hose clamp pliers and place a collection container underneath.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Clamping off coolant hoses
Open clamps -2- using > VAS 6889 - spring band clamp pliers and disconnect coolant hoses -3- on the heater valve.
Vehicles with auxiliary heating have 3 connections and vehicles without auxiliary heating have 2 connections on the heater valve.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Disconnecting coolant hoses
Disconnect electric plug connection -4- , unscrew nuts -5- and remove heater valve -1- .

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Heater valve in wheel housing