Diagram of secondary air injection up to model year 1999
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2005 Porsche 911, 2004 Porsche 911, 2003 Porsche 911, 2002 Porsche 911, and 2001 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
SECONDARY AIR INJECTION REMOVAL & INSTALLATION PROCEDURE (UP TO MODEL YEAR 1999)
| No. | Designation | Qty. | Removal | Installation |
|---|---|---|---|---|
| 1 | Secondary air pump | 1 | Pay attention to the installation position | |
| 2 | Hose | 1 | Omitted part | Replace with hose for model year 2000 |
| 3 | Anti-run-on valve | 1 | Omitted part | Replace with anti-run-on valve ('combination valve') for model year 2000 |
| 4 | Hose | 1 | Omitted part | |
| 5 | Check valve | 1 | Omitted part | |
| 6 | Seal | 1 | Omitted part | |
| 7 | Distributor housing | 1 | Omitted part | Replace with distributor housing for model year 2000 |
| 8 | Seal for distributor housing | 1 | Replacing seal | |
| 9 | Hexagon-head bolt M6 x 20 | 2 | Tightening torque 10 Nm (7.5 ftlb.) | |
| 10 | Vacuum reservoir | 1 | ||
| 11 | Switch-over valve | 1 | ||
| 12 | Air line | 1 | Omitted part | Replace with air line for model year 2000 |
| 13 | Seal for air line | 1 | Replace seal | |
| 14 | Hexagon-head bolt M6 x 16 | 2 | Tightening torque 10 Nm (7.5 ftlb.) |