Important: Do not use the intake manifold gaskets or end seals again.
- Clean the intake manifold in an approved solvent.
• | Clean debris out of all bolt holes. |
• | Clean the intake manifold gasket sealing surfaces. |
• | Clean all intake manifold ports. |
Caution: Refer to Safety Glasses Caution in the Preface section.
- Dry the intake manifold with compressed air.
- Inspect the following components:
• | The intake manifold bolt holes (1) for cracks and/or damage |
• | The manifold absolute pressure (MAP) sensor sealing surface (2) for damage |
• | The evaporative emission (EVAP) purge valve sealing surface (4) for damage |
• | The purge valve bolt has a sealer that may come off during removal of the bolt. Ensure all sealant is removed from the bolt hole. |
• | The intake manifold-to-cylinder head sealing surfaces (3) for damage |
• | The throttle body studs (5) for damage |
• | The throttle body mounting surface (6) for damage |
• | The oil fill tube hole (7) for signs of leakage |
• | Positive crankcase ventilation (PCV) port (8) for debris or varnish buildup |