Assembly Overview - Air Injection System
- Vacuum hose from secondary-air injection valve 1
- Right combination valve for secondary air
- Screws → Tightening torque: 9 Nm (6.5 ftlb.)
- Sensor 1 for secondary air pressure
- O-ring/replace
- Screws → Tightening torque: 5 Nm (3.5 ftlb.)
- Left combination valve for secondary air
- Vacuum hose from secondary-air injection valve 2
- Seal/replace
- Hose for secondary air on pressure side
- Rubber-metal mount
- Motor for secondary air
- Holder/riveted to body
- Nut → Tightening torque: 9 Nm (6.5 ftlb.)
- O-rings/replace if damaged
- Hose for secondary air on intake side
- Secondary air pipe
- Seal/replace
Courtesy of PORSCHE CARS NORTH AMERICA, INC.