Preliminary Work

Information 

The following repair instructions are only relevant for disassembling the engine.

• In the event of a leaking chain housing cover, refer to the document 

  > 153351 SEALING CHAIN HOUSING COVER (ENGINE INSTALLED) 

1. Removing engine.

   > 100119 REMOVE AND INSTALL ENGINE

2. Remove transmission from engine

   > Refer to 343527 Removing and mounting transmission in the appropriate service information. 

   or

   > WM 373427 REMOVING AND MOUNTING PORSCHE DOPPELKUPPLUNG (PDK) (EXCEPT PANAMERA S E-HYBRID, PANAMERA S HYBRID, PANAMERA EXECUTIVE, PANAMERA GTS, PANAMERA TURBO S,)

   > 1001IN SECURE ENGINE ON ASSEMBLY SUPPORT (MOUNTING BRACKET)

3. Drain engine oil. For details, see

   > 170117 DRAINING AND FILLING IN ENGINE OIL (CHANGING ENGINE OIL)

4. Remove drive belt. For details, see

   > 137819 REMOVING AND INSTALLING DRIVE BELT

5. Remove coolant hoses in front of the chain housing cover. Don't forget the holder. Coolant return line on turbo, for example 
   Fig 1: Coolant Return Line Components Location (Turbo)

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Coolant return line on turbo, for example

   1	Connection piece on alternator
   2	Connection piece screw
   3	Screw, M6 x 20
   4	Coolant return line
   5	Coolant return hose assembly
   6	Bracket
   7	M6 screw Aluminium screw;  always use new aluminium screws
   8	Coolant hoses

6. Removing both valve covers.

   > 158219 REMOVE AND INSTALL CYLINDER HEAD COVER 

7. Remove vibration damper.

   > 137619 REMOVE AND INSTALL BELT PULLEY (VIBRATION DAMPER)

8. Removing joint flange behind the vibration damper and do not re-installed old flange.

   > 137419 REMOVE AND INSTALL CRANKSHAFT SEALING RING FOR BELT PULLEY/VIBRATION DAMPER

9. Removing oil pan and oil guide housing.

   > 175019 REMOVE AND INSTALL OIL PAN