Installing Exhaust Manifold, Cylinders 1 - 4

Information 

• Visually inspect exhaust manifold for cracks and distortion. 
• A cracked or distorted exhaust manifold must not be reinstalled. 
• As a matter of principle, replace seals on manifold. 
• Clean sealing faces. The sealing faces must be free from foreign objects. 

Information 

The tightening specifications for the basic engine are stored centrally.

> TECHNICAL VALUES

> WM 2X00IN TECHNICAL VALUES (PANAMERA, PANAMERA S, PANAMERA S EXECUTIVE, PANAMERA 4, PANAMERA 4S, PANAMERA 4 S EXECUTIVE)

or

> 1001IN TIGHTENING TORQUES, TIGHTENING SEQUENCES AND ASSEMBLY OVERVIEWS

Tightening torques and assembly instructions for other assemblies (e.g. chassis, electrics, transmission or body) or for peripheral engine equipment can be found in the corresponding documents.

1. Insert exhaust manifold -1-  , heat shield and seal -2-  .
   Fig 1: Exhaust Manifold Seal And Mount On Naturally Aspirated Engine, Cylinders 1 To 4 Components Location

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Exhaust manifold seal and mount on naturally aspirated engine, cylinders 1 to 4

   1	Exhaust manifold
   2	Exhaust manifold seal
   3	Studs M8;
   5	Hexagon nut M8; replace; (check nuts by clicking once); observe correct tightening sequence
   A	M6 screw; heat shield to exhaust manifold

2. Fit fastening nuts -1 to 12-  in the prescribed sequence.
   Fig 2: Exhaust Manifold Fastening Nuts Tightening Sequence

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Tightening sequence for exhaust manifold fastening nuts

   1 to 12

   Nut M8; exhaust manifold to cylinder head

3. Fit exhaust manifold heat shield.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Exhaust manifold heat shield (cylinders 1 - 4 shown here)

   Position outer heat shield -C-  .

   Fit fastening screws -A and B-  .