SnowStorm Posted December 18, 2018 Report Share Posted December 18, 2018 On my C-Max the fill hole appears to be on top towards the back - very hard to see and virtually impossible to use. Just fill through the check plug on the side - you have to get to it anyway to check the level and quite easy (at least on my C-Max) by going in through the wheel well. ptjones 1 Quote Link to comment Share on other sites More sharing options...
Oxidizer2k Posted December 18, 2018 Report Share Posted December 18, 2018 Thank you for the reply. I wish it wasn't so difficult lol. Quote Link to comment Share on other sites More sharing options...
Lacienega Posted December 19, 2022 Report Share Posted December 19, 2022 here is a picture from the fill plug location. I.ve heard you need a Allen wrench for it and remove the plastic cover first Quote Link to comment Share on other sites More sharing options...
candi Posted August 21, 2023 Report Share Posted August 21, 2023 On 3/11/2014 at 12:00 PM, plus 3 golfer said: The C-max has a fill plug, drain plug and check plug. The fill hole is accessed from the top after removing air intake stuff and cowl panel. After draining, add 5.4 liters, run engine for one minute, wait 5 minutes and drain excess oil from check plug shown in post 2 above. I would not use the check level hole to add 5.4 liters as the manual show using a syringe to top off when checking. It would likely be a tedious process like fotomoto describes. Also, to get an accurate fill level, fluid temperature should be between 20*C - 40*C (remember the dipstick fluid method had a hot and cold fill line). Also, I see no reason to change fluid at 10-20k miles. But it's not my $$$. Quote Link to comment Share on other sites More sharing options...
candi Posted August 21, 2023 Report Share Posted August 21, 2023 I'm sorry I don't know how this forum works. So i may be postingvin wrong spot....I was reading a post at you were commenting on earlier. About a Ford c max who has a completely fully charged battery but the car won't start any ideas, why? Quote Link to comment Share on other sites More sharing options...
Jack Kedzie Posted September 12 Report Share Posted September 12 Okay, this is what I've done for 5 years. Change C-Max transaxle with Liqui-Moly 1800. Make sure you remove/drain all the old stuff. It matches and is superior to merc lv every way except cost! Your car will thank you. Liqui-Moly also has bodacious 0-20 motor oil. If you charge a lot in the PHEV version, consider Liqui-Moly stabilizer if gas stays in tank longer than 1.5 months. Quote Link to comment Share on other sites More sharing options...
Jack Kedzie Posted September 14 Report Share Posted September 14 Candi, Your 12 volt battery can drain down and even if you have the PHEV, the high voltage battery will not charge it unless the system is booted up. Think of it like a gas tanker truck full of gas can rin out of fuel for the tractor! So if you let the 12 volt battery run down, you have to, very carefully, jump start it. Quote Link to comment Share on other sites More sharing options...
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