Operation CHARM: Car repair manuals for everyone.

Service Procedure

1. Remove air cleaner element (G/P, and M/L only).

2. Loosen air inlet pipe clamp closet to the air intake bonnet assembly (G/P, and M/L only).

3. Remove the air intake bonnet assembly (G/P, and M/L only).

4. Disconnect the linear EGR valve electrical connector.

5. Remove the EGR valve attaching bolts.

6. Remove the EGR valve and gasket.

7. Install new gasket p/n 12555896.

8. Install new EGR valve p/n 17113405.





Important:
The gasket and valve must be properly aligned as shown in Figure 1 such that the electrical connection terminal on the EGR valve is approximately in the nine o'clock position or on the left, when facing the front of engine.

9. Reinstall fastening bolts. Tighten bolts the first time to 10 Nm (89 lb.in.) each. Tighten bolts a final time to 25 Nm (18 lb.ft.) each.

10. Install the electrical connector.

11. Reinstall the air intake bonnet assembly (G/P, and M/L only).

12. Tighten air inlet pipe clamp closest to the air intake bonnet assembly (G/P, and M/L only).

13. Reinstall air cleaner element (G/P, and M/L only).

14. Install the GM Campaign Identification Label.

15. California dealers only, provide owner with a "Vehicle Emission Recall Proof Of Correction" certificate.