1999 GM 6.5L V8 – Intake Manifold Removal (Upper-L56)

1. Disconnect the Intake Air Temperature (IAT) sensor electrical connector.

2. Remove the IAT sensor.

3. Disconnect the Manifold Absolute Pressure (MAP) sensor electrical connector.

4. Remove the MAP sensor retaining bolts.

5. Remove the MAP sensor.

6. Remove the gasket.

7. Remove the turbocharger short brace retaining bolts.

8. Remove the turbocharger short brace.

9. Remove the turbocharger long brace retaining bolt.

10. Remove the turbocharger long brace retaining nut.

11. Remove the turbocharger long brace.

12. Loosen the turbo charger connection hose clamps.

13. Loosen the turbo charger connection hose.

13.1. Insert a small flat screw driver blade between the turbocharger connection hose and the turbocharger and slide the screw driver blade along the surface of the turbo charger until the hose twists freely.

13.2. Insert a small flat screw driver blade between the turbocharger connection hose and the upper intake manifold and slide the screw driver blade along the surface of the upper intake manifold until the hose twists freely.

14. Remove the upper intake manifold retaining bolts.

15. Remove the EGR valve.

16. Remove the gasket.

17. Remove the upper intake manifold.

18. Remove the gaskets. The EGR tower gasket is located on the round center portion of the intake manifold.

 

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