Air Pump Replacement

The air pump generates the necessary air supply, which is directed into the air injection or secondary air system.

How to Replace the Air Injection Pump

Note: There are two common types of air pumps. These are general summaries of how to replace each type.

A. Electric Air Injection Pump

1. Disconnect the negative battery terminal
2. Remove any components that obstruct access to the electric air pump
3. Disconnect any air hoses and electrical connectors
4. Remove the fasteners that secure the air pump
5. Remove the air pump and install the new one
6. Secure the new air pump with its fasteners
7. Reconnect all electrical connectors and air hoses
8. Install any other removed components
9. Reconnect the negative battery terminal and clear any codes
10. Perform a Drive Cycle Test Drive to verify the repair

B. Belt Driven Air Injection Pump

1. Disconnect the negative battery terminal
2. Remove any drive belts that block access to the air pump
3. Disconnect any air hoses and electrical connectors
4. Loosen the air pump fasteners and remove the air pump
5. Install the new air pump and secure its fasteners
6. Reconnect any air hoses and electrical connectors
7. Install any removed drive belts and reconnect the negative battery terminal
8. Clear any codes and perform a Drive Cycle Test Drive to verify the repair