In some cases, localized overheating of the cylinder head could lead to cracks, causing oil leaks. Engine oil that comes into contact with a hot engine surface could potentially result in a fire. In addition, fuel lines replaced as part of recall 2012-218 (12S35) may have been improperly installed and may chafe, potentially resulting in a fuel leak. Again, this could result in a fire.
Consequently, Ford dealers will enhance engine heat shielding, cooling and control systems, as well as inspect fuel line routing and replace fuel lines as necessary.
Source: Transport Canada