E 250 V8-5.4L (2008)
17. Remove the 8 bolts and the 8 ignition coils.
18. Remove the 2 bolts, the thermostat housing and the thermostat.
^
Discard the O-ring seal.
19. Remove the 9 bolts, the intake manifold assembly and discard the intake manifold gaskets.
Installation
1. CAUTION: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These
tools cause scratches and gouges which can cause leak paths. Use a plastic scraping tool to clean sealing surfaces.
Clean and inspect the sealing surfaces with silicone gasket remover and metal surface prep. Follow the directions on the packaging.
2. Position new intake manifold gaskets, the intake manifold and loosely install the 9 bolts.
3. Using a new O-ring seal, install the thermostat.
