Access Cover: Service and Repair

Engine Sight Shield Replacement (6.0L (RPO LQ9)
Removal Procedure





1. Loosen the intake manifold sight shield bolt.
2. Remove the sight shield from the sight shield retainer.
3. Loosen the left fuel rail cover bolts.
4. Remove the left fuel rail cover.
5. Remove the surge tank/heater hoses from the clip on the right fuel rail cover.
6. Loosen the right fuel rail cover bolts.
7. Remove the right fuel rail cover.





8. Remove the sight shield retainer bolts and retainer, if required.

Installation Procedure





1. Notice: Refer to Fastener Notice in Service Precautions.

Install the sight shield retainer and bolts, if required.
Tighten the bolts to 5 Nm (44 inch lbs.).





2. Install the right fuel rail cover.
3. Tighten the right fuel rail cover bolts.
Tighten the bolts to 9 Nm (80 inch lbs.).
4. Install the surge tank/heater hoses to the clip on the right fuel rail cover.
5. Install the left fuel rail cover.
6. Tighten the left fuel rail cover bolts.
Tighten the bolts to 9 Nm (80 inch lbs.).

7. Notice: Use care when installing the engine sight shield to avoid contacting the manifold absolute pressure (MAP) sensor wire harness connector. Loss of engine performance or engine damage may result.

Install the sight shield to the sight shield retainer.
8. Tighten the intake manifold sight shield bolt.
Tighten the bolt to 10 Nm (89 inch lbs.).