B. Remove the Exhaust Aspirator System

1. Disconnect the Air Shut Off Valve (ASOV) electrical connector (Figure 2).

2. Disconnect the ASOV vacuum hose (Figure 2).

3. Disconnect the aspirator system hose from the air cleaner assembly (Figure 2).

4. Remove the aspirator system hose from the aspirator valve and then discard the ASOV and hoses (Figure 2).

5. Using two wrenches, one on the aspirator tube and the other on the aspirator valve, remove and discard the aspirator valve (Figure 2).

6. Clean the aspirator tube threads and remove any excessive rust in the aspirator tube.

7. Install the supplied threaded aspirator cap on the aspirator tube and tighten securely.

8. Clean any debris from the air cleaner assembly aspirator hose nipple.

9. Install the supplied rubber cap on the air cleaner aspirator hose nipple.

10. Clean any dirt or corrosion from the electrical connector that was attached to the ASOV and then install the supplied wiring connector plug on the connector. Tape the connector back to the main engine wiring harness.

11. Locate the vacuum harness that connects to the ASOV and the EGR transducer. Cut the rubber connector out of the harness that splits the vacuum to the ASOV and EGR transducer. Remove and discard the ASOV vacuum hose.

12. Install the supplied rubber vacuum hose connector to connect the EGR transducer vacuum hose to the main vacuum hose.

13. Connect the negative battery terminal.

14. Start the engine and verify that there are no fuel leaks at the pressure regulator or exhaust leaks at the aspirator cap.