ford recommends this for all of their cars at 100k
❑ Change engine oil and replace oil filter.
❑ Inspect tires for wear. Rotation recommended for optimal tire life.
❑ Inspect accessory drive belt(s).
❑ Replace spark plugs.
❑ Change Motorcraft Premium Gold Engine Coolant (see exceptions page 46 and record page 48).
❑ Replace PCV valve (except 3V engine).
❑ Multi-point inspection (recommended)
Quite a bit of PM/inspection to do at 90k as well ...
❑ Change engine oil and replace oil filter.
❑ Inspect tires for wear and rotate.
❑ Inspect brake pads/shoes/rotors/drums, brake lines & hoses, and parking brake system.
❑ Inspect wheel ends for endplay and noise.
❑ Inspect engine cooling system and hoses.
❑ Inspect exhaust system and heat shields.
❑ Inspect steering linkage, ball joints, suspension and, if equipped, half shafts, driveshaft and U-joints.
❑ Replace engine air filter (not required for Focus).
❑ Replace fuel filter (see page 47) (not required for Fusion, Milan & Zephyr).
❑ Replace cabin air filter, if equipped.
❑ Change automatic transaxle fluid on all vehicles equipped with 4F50N or 4F27E. Inspect automatic transmission/transaxle fluid level on all other vehicles, if equipped with dipstick. Consult your dealer for your particular requirements.
❑ Replace climate-controlled seat filter if equipped (LS and Monterey).
❑ Replace climate-controlled seat cushion filter, if equipped (Zephyr).
❑ Multi-point inspection (recommended)
It can all be found here ....
https://www.fordservicecontent.com/Ford_Content/catalog/owner_guides/06frdmg3e.pdf