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Home >> Porsche >> 2021 >> Panamera Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> 80 Heater - Coupe -- 971 - PANAMERA (971) >> WM, 806619 Removing And Installing Heater Valve >> Removing Heater Valve

Removing Heater Valve

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.

  1. Clamp coolant hoses -3-  using > V.A.G 1275A - hose clamp pliers  and place a collection container underneath.
    G15874810Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Clamping off coolant hoses

  2. 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.

    G15874811Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Disconnecting coolant hoses

  3. Disconnect electric plug connection -4-  , unscrew nuts -5-  and remove heater valve -1-  .
    G15874812Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Heater valve in wheel housing