Installing Spark Plugs

Information 

• Be careful of the electrodes when fitting the spark plugs. 
• Due to the angled spark plug slot, the electrodes can hit against the shoulder in the cylinder head and become bent during fitting. 
• Turn electrode to the 12 o'clock position when fitting the spark plug. 
• Carefully fit and screw in spark plug using socket adapter and extension. 

1. Position spark plug -1  - using spark plug socket adapter. The electrode must be at about the 12 o'clock position -arrow  -.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

2. Screw in spark plugs using > VAS 6919 - Spark Plug Socket-Wrench Insert, a/f 14-2  - and > VAS 6925 - Extension, 3/8"-1  - and tighten according to specifications.

   New spark plug - 2.0 l engine:  > Tightening torque 23 Nm (17 ftlb.) +/- 3 Nm (2.2 ftlb.) 

   New spark plug - 2.5 l engine:  > Tightening torque 23 Nm (17 ftlb.) +/- 3 Nm (2.2 ftlb.) 

   For re-installation:  > Tightening torque 21 Nm (15.5 ftlb.) +/- 3 Nm (2.2 ftlb.) 

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.