Intake Manifold Clean and Inspect
IMPORTANT: Do not reuse the intake manifold-to-cylinder head sealing gaskets.
1. Inspect the sealing grommet on the MAP sensor.
The grommet should not be torn or damaged.
2. Remove and discard the intake manifold-to-cylinder head gaskets.
3. Remove and discard the throttle body gasket.
4. Clean the intake manifold in an approved solvent.
- Clean the intake manifold gasket sealing surfaces.
- Clean all coolant passages of scale build up.
- Clean all carbon from the EGR passages.
- Clean all intake manifold ports.
- Inspect intake manifold sealing surfaces for nicks and cracks.
CAUTION: Wear safety glasses in order to avoid eye damage.
- Dry the intake manifold with compressed air.