If the oil bypass valve on your oil filter housing breaks, you can replace it yourself with an aftermarket part rather than have the entire oil cooler housing replaced.
If your Ford Fusion's A/C compressor doesn't turn on, you'll need to change the evaporator discharge air temperature sensor. Here's how to do it.
Service procedure for removal and extraction of the broken spark plugs in Ford 4.6L and 5.4L engines.