Lowering The Engine

1. Pull off oil filler hose on oil filler neck -1-  at the left by opening the spring band clamp -3-  .

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Oil filler hose on oil filler neck

2. Pull off coolant hose -1-  at the left-hand side of the engine compartment.

   Remove spring clamp -2-  and pull off the coolant hose.

   Close off opening using a stopper and re-fit spring clamp.

   Check O-ring and replace it if necessary.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Left coolant hose

3. Open supply connecting lines for engine cooling and heating -2-  .

   Open plug-in couplings -1-  by pulling the spring clamps into unlocking position and disconnect plug-in couplings.

   Clip in spring clamps again.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Coolant hoses on reservoir

4. Disconnect vent lines -1-  at the coolant reservoir.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Vent lines on coolant reservoir

5. Disconnect coolant hose -1-  in the engine compartment at the right and vacuum lines -3-  .

   Remove spring clamp -2-  and pull off the coolant hose.

   Close off opening using a suitable stopper. Re-fit spring clamp.

   Check O-ring and replace it if necessary.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Right coolant hose and plug-in couplings for vacuum lines

6. Open retaining clip -1-  for fuel line and tank vent line and unclip the lines.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Connection for tank vent line and fuel line in engine compartment

7. Unclip differential pressure sensor -1-  in the engine compartment at the left and right -Arrows-  .

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Differential pressure sensor in engine compartment

8. Disconnect cable plugs -1 and 3-  on oxygen sensors downstream of catalytic converter in the engine compartment and expose cables -2 and 4-  .

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Cable plug and cable for oxygen sensor downstream of catalytic converter

9. Loosen exhaust temperature sensor control unit -1-  and wiring harness -2-  .

   Loosen exhaust temperature sensor control unit from holder.

   Loosen wiring harness -3-  from the holders -4-  .

   Expose wiring harness.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Evaluation unit for exhaust temperature sensor

10. Disconnect cable plug -1-  on the exhaust flap adjuster -2-  .

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Cable plug on electric exhaust flap adjuster

11. Remove cover -2-  on engine control unit.

    Unscrew nuts -1-  and remove cover.

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Cover on engine control unit (DME)

12. Disconnect engine wire harness at the engine control unit (DME) -1-  .

    Release and disconnect the front three cable plugs -2-  on the engine control unit.

    The cable plugs are colour-coded and their position on the control unit is indicated by coloured dots. 

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Engine wire harness on engine control unit (DME)

13. Release and disconnect cable plug for engine wire harness -1-  in the engine compartment at the right.

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Cable plug for main wire harness

14. Loosen trailing arm -1-  on both sides of the outer wheel carrier.

    421119 REMOVING AND INSTALLING TRAILING ARM - on "Removing"

    Unscrew outer threaded joint -2-  and counter at the screw.

    Replace screws and nuts.

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Mounting for lower trailing arm

15. Loosen and lower the rear axle carrier -1-  .

    420619 REMOVING AND INSTALLING REAR AXLE CARRIER - on "Removing"

    You will need the help of a second person in order to remove the rear axle carrier. 

    > VAS 6931 - Transmission and Engine Jack  must be positioned under the rear axle carrier.

    Uncrew and remove screws -2 and 3-  .

    Lower the rear axle carrier with anti-roll bar and secure it with tie-wraps.

    Replace screws.

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Rear axle carrier mounting

16. Release and disconnect cable plug on electronic adjuster for turbocharger.
17. Disconnect intake manifold -1-  and moulded hose -4-  from the intake air line and turbocharger on the left and right.

    Loosen V-band clamp -2-  . Right side only:  Loosen vent line -3-  and pull off intake pipe.

    Undo screw-type clamp -5-  and remove moulded hose.

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Intake manifold and moulded hose on turbocharger

    Information 

    There are two ways of lowering the engine

    • Lower the engine by 50 to 60 mm (You can use a lifting platform, see Step 18.1) 
    • Lower the engine by 90 to 100 mm (You cannot use a lifting platform, see Step 18.2) 
18. Lower the engine.

    Lower the engine by 50 to 60 mm (using > 9959 - lowering tool  ).

    1. 18.1.1  Support the engine using > VAS 6832 - Master Gear unit elevating platform  and > 9769 - retainer plate  .
    2. 18.1.2  Unscrew screws -2-  securing engine mount -1-  to engine bracket.

       Courtesy of PORSCHE CARS NORTH AMERICA, INC.

       Screw securing engine mount to engine bracket

    3. 18.1.3  Carefully lower the engine by approx. 50 to 60 mm -dimension A-  . Raise and lower it as required in order to align it so that the > 9959 - lowering tool  can be fitted

       Courtesy of PORSCHE CARS NORTH AMERICA, INC.

       Lowering the engine to end position

    4. 18.1.4 > 9959 - Lowering tool-2-  must be installed using screws -1 and 3-  .

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Installing lowering tool 9959

    Lower the engine by 90 to 100 mm (without lowering tool)  .

    1. 18.2.1  Drain refrigerant from the air-conditioning system.

       870317 DRAINING AND FILLING REFRIGERANT R134A

       870317 DRAINING AND FILLING REFRIGERANT R1234YF

    2. 18.2.2  Disconnect air-conditioning lines, close off using stoppers and set them aside.

       Item -1-:

       874519 REMOVING AND INSTALLING AIR-CONDITIONING COMPRESSOR - EVAPORATOR REFRIGERANT LINE (AIR-CONDITIONING COMPRESSOR SECTION TO ENGINE COMPARTMENT CONNECTION POINT) - "REMOVAL SECTION"

       Item -2-  :

       874319 REMOVING AND INSTALLING AIR-CONDITIONING COMPRESSOR - CONDENSER REFRIGERANT LINE (SECTION FROM AIR-CONDITIONING COMPRESSOR TO ENGINE COMPARTMENT CONNECTION POINT) - on "Removal"

       Unscrew screws -3 and 4-  at the connection point and close off the lines

       Courtesy of PORSCHE CARS NORTH AMERICA, INC.

       Air-conditioning line connections in engine compartment

    3. 18.2.3 For vehicles with PDCC:  Loosen holder -1-  for hydraulic lines on both sides. Unscrew two M6 fastening screws -2-  .

       Courtesy of PORSCHE CARS NORTH AMERICA, INC.

       Holder for hydraulic lines (picture shows right side)

       Information 

       • It may only be supported over a large area at the oil pan. 
       • Localised loading is not permitted. 
    4. 18.2.4  > VAS 6931 - Transmission and Engine Jack  and > VAS 6867 - Mounting Plate  must be supported on the oil pan.
    5. 18.2.5  Unscrew screws -2-  securing engine mount -1-  to engine bracket.

       Courtesy of PORSCHE CARS NORTH AMERICA, INC.

       Screw securing engine mount to engine bracket

       Information 

       Make sure that the engine is positioned securely on the transmission jack. To do this, set the correct angle on the transmission jack.

    6. 18.2.6  Carefully lower the engine by 90 to 100 mm. Dimension -A-  is 195 mm.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Lowering the engine to end position