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Home >> Porsche >> 2016 >> 911 Turbo, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 113 (19 - Engine - Cooling -- CARRERA (997)) >> WM 195919 Removing And Installing Unit Carrier (Coolant Distributor Housing) (Turbo Coupe, Turbo S Coupe, Turbo CABRIO & Turbo S CABRIO) >> Removing Unit Carrier (Coolant Distributor Housing)

Removing Unit Carrier (Coolant Distributor Housing)

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 Porsche 911, 2012 Porsche 911, 2011 Porsche 911, 2010 Porsche 911, and 2009 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove engine carrier bracket.
    1. 1.1. Loosen and unscrew M10 threaded bolts.
      Fig 1: Identifying Engine Carrier Bracket Threaded Bolts
      G09827783Courtesy of PORSCHE CARS NORTH AMERICA, INC.
      1. 1.1.1. Screw two M10 nuts -1-  onto the M10 threaded bolts -2-  to lock them.
      2. 1.1.2. Unscrew M10 threaded bolts.
    2. 1.2. Remove the engine carrier bracket -3-  .
    3. 1.3. Clean the threaded bolts and thread in the crankcase (adhesive residue) and remove any traces of grease (using brake cleaner) by blowing out the threaded bore with compressed air.
  2. Remove the drive belt -1-  .
    Fig 2: Identifying Drive Belt
    G09827784Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  3. Remove the vibration damper -1-  .

    → 137519 REMOVING AND INSTALLING VIBRATION DAMPER - TURBO - section on "Removing"

    Fig 3: Removing Vibration Damper
    G09827785Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  4. Remove water connection piece -3-  .
    Fig 4: Removing Water Connection Piece
    G09827786Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    1. 4.1. Loosen the vacuum line at the water connection piece.

      Unscrew one external Torx screw (E10, M6 x 12) -2-  on the water connection piece.

    2. 4.2. Unscrew three external Torx screws (E10, M6 x 25) -1-  on the bracket for the coolant pump -5-  and crankcase and remove the water connection piece.
  5. Remove thermostat housing lid -1-  .
    1. 5.1. Remove coolant hose on the thermostat housing lid by releasing and pulling off the spring band clamp.
    2. 5.2. Loosen one external Torx screw (E10, M6 x 40) -2-  by two to three turns.
    3. 5.3. Loosen and unscrew two external Torx screws (E10, M6 x 12) -4-  on the intake coolant pipe -5-  at the thermostat housing and high-pressure pump holder.
    4. 5.4. Pull the intake coolant pipe out of the thermostat housing.
    5. 5.5. Loosen and unscrew three external Torx screws (E10, M6 x 50) -3-  on the thermostat housing lid and remove the lid.
    6. 5.6. Loosen and unscrew one external Torx screw (E10, M6 x 50) at the bottom of the thermostat housing.
    Fig 5: Identifying Intake Tube And Thermostat Housing
    G09827787Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  6. Remove bracket for the coolant pump.
    1. 1  - Bracket for coolant pump
    2. 3  - External Torx screw, M8 x 50
    3. 4  - External Torx screw, M8 x 50
    4. 5  - External Torx screw, M6 x 20
    5. 6  - External Torx screw, M8 x 25
    6. 7  - M10 threaded bolt (already removed)

    To remove the external Torx screw -4-, the tensioner must be turned and locked. 

    1. 6.1. Unscrew external Torx screws -3, 4, 5 and 6-  .
      Fig 6: Identifying Coolant Pump Bracket
      G09827788Courtesy of PORSCHE CARS NORTH AMERICA, INC.
    2. 6.2. Remove bracket for coolant pump -1-  .
      Fig 7: Removing Coolant Pump Bracket
      G09827789Courtesy of PORSCHE CARS NORTH AMERICA, INC.
      1. 6.2.1. Turn the bracket for the coolant pump slightly until the bars on the bracket for the coolant pump and thermostat housing -7-  are exposed -arrow-  .
      2. 6.2.2. Pull bracket for coolant pump out to the rear.
  7. Remove unit carrier (coolant distributor housing)
    1. 7.1. Remove coolant connection piece.
      1. 7.1.1. Release spring clamps at the Henn coupling and pull off the coolant hose at the coolant connection piece -3-  . Make sure that the spring clamp is not overstretched.
      2. 7.1.2. Open the spring band clamp and pull it off.
      3. 7.1.3. Loosen and unscrew three external Torx screws (E12, M8 x 70) -1-  and remove the coolant connection piece.
    2. 7.2. Release the cable plug on the coolant temperature sensor and disconnect it.
    3. 7.3. Unscrew three external Torx screws (E12, M8 x 50) -4 and 5-  .
    4. 7.4. Carefully pull the unit carrier -6-  off the thermostat housing -7-  and remove it.
      1. 1  - External Torx screws, M8 x 70
      2. 3  - Coolant connection piece
      3. 4  - External Torx screw, M8 x 50
      4. 5  - External Torx screw, M8 x 50
      5. 6  - Unit carrier
      6. 7  - Thermostat housing
    Fig 8: Identifying Coolant Distributor Housing Unit Carrier
    G09827790Courtesy of PORSCHE CARS NORTH AMERICA, INC.
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