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Home >> Porsche >> 2014 >> Panamera Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> 82 - Auxiliary Heating -- PANAMERA (970) >> WM 822019 Removing And Installing Complete Heater (Except PANAMERA S Executive, PANAMERA Executive, PANAMERA 4 S Executive, PANAMERA Turbo Executive, PANAMERA GTS, PANAMERA 4S Sport Edition, PANAMERA 4 Executive) >> Removing Complete Heater

Removing Complete Heater

NOTE: Danger of scalding
  • Coolant can be very hot.
  • Coolant may be pressurized.

→ Perform the removal only once the cooling system has cooled down.

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

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. Remove coolant hoses.
    1. 1.1. Close off feed hose -1-  and return hose -2-  for coolant using a suitable tool -3-  .
    2. 1.2. Loosen spring band clamp -4-  and pull off feed hose -1-  .
    3. 1.3. Loosen spring band clamp -5-  and pull off return hose -2-  .
      WARNING: Emerging fuel
      • Risk of fire
      • Fig 1: Pulling Off Coolant Hoses
        G09813084Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      → Avoid contact with hot parts or sources of ignition.

      → Collect emerging fuel, absorb it if necessary with a suitable binding material and dispose of properly.

      → Use suction to remove ignitable vapors.

      → Attach warning sign to vehicle in a clearly visible position.

  2. Remove fuel hose.
    1. 2.1. Spread clamp -1-  for fuel hose -2-  .
    2. 2.2. Detach fuel hose -2-  . -arrow- 
    3. 2.3. Dispose of used clamp -1-  .
    4. Fig 2: Pulling Off Fuel Hose
      G09813085Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  3. Detach flexi-pipe for muffler.
    1. 3.1. Loosen clamp -1-  of flexi-pipe -2-  .
    2. 3.2. Lift out flexi-pipe -2-  and pull it off.
    3. Fig 3: Detaching Flexi-Pipe
      G09813086Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  4. Remove electric plug connections.
    1. 4.1. Release electric plug connections -a-  .
    2. 4.2. Pull off electric plug connections -A-  .
    3. Fig 4: Removing Electric Plug Connections
      G09813087Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  5. Detach heater.
    Fig 5: Detaching Heater
    G09813088Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. 5.1. Unscrew fastening screws -1-  at top and bottom.
    2. 5.2. Pull out heater in direction of travel.