How often should you change your oil? Is it 3000 miles or more? It gets confusing when seemingly every car has a different recommended oil change interval. Ford: 7,500 miles; GMC: 7,500 6. Posted November 10, 2013 at 04:31 PM. Yesterday, the "Oil Change Required" messaged came on. My C-Max has 4625 total miles on it and the oil was changed at the dealership on October 3, 2013 at 4251 miles. So it's been 38 days and 374 days. I've checked the oil and it is clean and appears to be at the correct level. the information display at the proper oil change service interval; this. interval may be up to two years or 20000 miles (32000 kilometers). When ENGINE OIL CHANGE DUE or OIL CHANGE REQUIRED appears. in the information display, it’s time for an oil change; the oil change must. be done within two weeks or 500 miles (800 kilometers) of the ENGINE The general recommendation by Ford Motor Company for oil change intervals on their vehicles remains around 7,500 miles other every six months, whichever arrives first. Find out what Ford advise for your car or truck the this article. Read now. The recommended oil change interval for the F150 5.0L and Ecoboost engines is every 4000- 5000 miles or every 3-5 months (based on an average of 1200 miles driven a month). Now, this is a general rule and my personal recommendation based on my experience as a mechanic. Regardless of how often you take your pickup for a drive. 2018 Ford C-Max SE FWD Features and Specs. Year * 2018. Fixed Rear Window w/Fixed Interval Wiper, Heated Wiper Park and Defroster. All fees and programming subject to change 2018. While Ford's changed the recommendation slightly throughout the model years of the C-Max, in general You'll want to change the timing belt every 60,000 to 100,000 miles. The cost of the belt itself is only $25 to $50, but the cost of labor can vary widely, going anywhere from $200 to $900, depending on where You go and how honest the shop is. Focus Focus (2003-2011) Engine: Unit: Capacity: Change interval: Oil type: Focus 2.0 16V: Transaxle, automatic: 6,6 L (dry fill) Change 48000 km: Original oil: Focus 2.0 16V S1T7Ao.