DeVille DTS V8-4.6L VIN 9 (2002)
17. Remove the intake manifold (1) by using an upward lifting motion at the front of the manifold assembly.
18. Clean and inspect the intake manifold.
Installation Procedure
1. Lightly grease the inside edge of the rubber plenum duct.
2. Clean any debris from the cylinder head or intake manifold.
3. Install the new gaskets to the intake manifold.
Important: Ensure the PCV valve hose is firmly connected to the fitting at the front of the intake manifold, prior to installation.
4. Place the intake manifold in position by completing the following:
4.1.
Position the rear of the intake manifold (1) into the plenum duct (2).
4.2.
Position the front of the intake manifold (1) downward on to the cylinders heads.
