Degrandbob Posted October 31, 2019 Report Share Posted October 31, 2019 How difficult is it to change the engine air filter on the 2017 Cmax hybrid? Quote Link to comment Share on other sites More sharing options...
jdbob Posted October 31, 2019 Report Share Posted October 31, 2019 I changed mine earlier this year (Energi model, same engine) and it wasn't too bad, looked at a few videos on YouTube before proceeding. I rarely use the engine so the original filter was still pretty clean at 30K miles, but the housing did have a fair amount of seeds in it. Degrandbob 1 Quote Link to comment Share on other sites More sharing options...
plus 3 golfer Posted October 31, 2019 Report Share Posted October 31, 2019 (edited) XXX Edited October 31, 2019 by Plus 3 Golfer Quote Link to comment Share on other sites More sharing options...
grege Posted October 31, 2019 Report Share Posted October 31, 2019 +1 for youtube diy video. It's straightforward, but only slightly tedious. Recommend being very careful when removing engine cover bolts bc I dropped one into the engine bay and there is not much room yet a lot of nooks and crannies (had to use a telescoping magnet to retrieve). Greg ptjones and Degrandbob 2 Quote Link to comment Share on other sites More sharing options...
Degrandbob Posted October 31, 2019 Author Report Share Posted October 31, 2019 (edited) The video looked too intensive for my arthritic hands compared to the ease of changing the filter on the Fusion! My 2017 Cmax is close to its 3rd year at 12,500 miles , so I think it doesn't need a change for another year or so!Thanks for responding! Edited October 31, 2019 by Degrandbob Quote Link to comment Share on other sites More sharing options...
JAZ Posted November 1, 2019 Report Share Posted November 1, 2019 Indeed, I'm in Michigan and at about 25,000 miles the air filter was showing very little dirt. Degrandbob 1 Quote Link to comment Share on other sites More sharing options...
ptjones Posted November 1, 2019 Report Share Posted November 1, 2019 It is a real pain to remove, I have removed twice in 238k miles and it didn't look bad either time. Use gloves, there are many places to cut your hands. Don't think it helps MPG's, but max acceleration is improved and K&N helps a little more, MADMAX really gets up goes when you nail it. :) Paul Degrandbob 1 Quote Link to comment Share on other sites More sharing options...
stratosurfer Posted January 3, 2020 Report Share Posted January 3, 2020 I think I’ll do mine now. I’m at 147,000 miles... Probably go K&N. Quote Link to comment Share on other sites More sharing options...
jzchen Posted January 3, 2020 Report Share Posted January 3, 2020 10 hours ago, stratosurfer said: I think I’ll do mine now. I’m at 147,000 miles... Probably go K&N. I went with that because I could not find a dry synthetic (reusable) filter replacement. Not sure if any other manufacturer makes one now for the C-MAX. Here's the instructions from the Owner's Manual. Note the "rotate" instruction and exactly how it is rotated, looks like clockwise 45 degrees. stratosurfer 1 Quote Link to comment Share on other sites More sharing options...
bigqueue Posted January 16, 2020 Report Share Posted January 16, 2020 On 10/31/2019 at 1:20 PM, Degrandbob said: How difficult is it to change the engine air filter on the 2017 Cmax hybrid? I suspect the 2017 is a lot like this 2014 shown in this video....it is not right out in the open. Quote Link to comment Share on other sites More sharing options...
Degrandbob Posted February 5, 2020 Author Report Share Posted February 5, 2020 FYI....my dealer told me the charge for a new engine air filter, including labor, is $25!! grege 1 Quote Link to comment Share on other sites More sharing options...
JAZ Posted February 5, 2020 Report Share Posted February 5, 2020 Several of us on this board have changed the filter: there are YouTube videos that explain it succinctly. It's a bit fiddly, but quite doable. If you go for it, by all means wear gloves that protect from abrasion and refrain from expletives in front of small children. HOWEVER...for 25 bucks, it's a no-brainer to let them do it. fbov 1 Quote Link to comment Share on other sites More sharing options...
fbov Posted February 5, 2020 Report Share Posted February 5, 2020 And I'll make the case that you don't want to change the engine air filter on a hybrid. Two reasons. Paper filter particulate efficiency improves with age We tend to focus on the pressure drop across the filter because we tend to think in terms of maximum capability, giving the engine optimum conditions for running at redline. That's when the pressure drop matters. At low to moderate RPM, particulate efficiency is more important. One measure is the amount of Si in the oil. My levels are half the initial SI content after 45K miles, and leveling off even lower, consistent with improved particulate efficiency. Hybrid cars are a low RPM application. Power demand, based on throttle position, determines engine speed, unrelated to vehicle speed. Set up MyView with a tachometer, and you can see what your ears are telling you; engine speed doesn't change as you speed up. You can certainly floor it, if you want, but I find no need to. I want to optimize performance below 3000 RPM, because that's where I spend 99% of engine hours. The last bit is to understand that the engine's control system is using sensors to match fuel delivery to airflow. As the air filter collects dirt and starts to clog, the control system adjusts fuel delivery to maintain performance. As the filter ages, the air entering the engine is getting cleaner and cleaner without affecting performance. Leaving it in seems like a win-win proposition, absent severe operating conditions. HAve fun, Frank JAZ and plus 3 golfer 2 Quote Link to comment Share on other sites More sharing options...
SnowStorm Posted February 6, 2020 Report Share Posted February 6, 2020 Well, I guess I'm with Frank too. In 190k miles I've changed it twice. First time at maybe 30 or 40k. The filter was still so clean that a service guy at my dealer suggested I put it back in! (I didn't.) I ran the second filter to about 180k miles on the car. My gas mileage seems to have dropped a bit over the last year or so. I thought my bad transmission might have been the problem but it wasn't. I changed the filter since it had about 140k miles on it and that didn't seem to make any difference either (didn't really expect tit to). That second filter had some dirt at places (more than the first one) but I wouldn't call it "dirty". I don't plan to ever change it again even if I make it to 300k. I'm not trying to "recommend" anything - just giving my experience. grege 1 Quote Link to comment Share on other sites More sharing options...
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