Ford Mondeo Forum / Ford Fusion Forum. Ford Mondeo Mk3 (2000 - 2007) Transmission / Drivetrain (Mondeo Mk3) Ford Mondeo Mk3 (2000 - 2007) Transmission / Drivetrain (Mondeo Mk3) Gearbox oil. 1652 Views 3 Replies 4 Participants Last post by totalguy, Oct 16, 2011. Plan to do a gearbox oil change on my mk3 TDCI. Has not been done for well over 100k and it is seeping a bit (no drops on the floor but dampness around the bottom) so it must be a bit short of oil. Just checking for the two plugs and I am a bit confused from what I have read on TF. I was today about to change the left driveshaft of my Mondeo MK3 2.5L (V6) manual transmission. I got into an issue when I was about to remove the inner CV joint from the gearbox, because it is completely stuck. There is some axial play in the locking ring, but I suspect it has gotten deformed. ABS and Traction control light on after clutch change. stemh; Aug 7, 2016 Buzzing electrical noise from auto gear selector lever. Ford Mondeo Mk3 (2000 - 2007 Mondeo 2007-2014, 2.0L Duratorq DOHC auto box problem. I have a 2012 mondeo as above. Gearbox oil and filter was changed and 4 weeks later the auto gearbox is not working right and came up with transmission limited malfunction. Mechanic cleared codes which were related to a solenoid and the car drove great for 30 minutes and now missing gears 32907 posts · Joined 2004. #2 · Feb 11, 2013. The 6 speed is MMT6 so if you did put 2L in there its too much. Transmission oil meeting or exceeding. WSD-M2C 200-C. MK4.5 TDCI 140 Business Estate. . Although there doesn't appear to be a Ford C2/C3 oil spec, the PSA spec for Peugeot/Citroens which use the same engine is C2/C3. The HTHS for C2 is >2.9 and C3 >3.5 - so it's likely to have better wear characterisics than the Ford 934 C1 (Low Saps) oil - and your experience also suggests that it could well be a good compromise. It is advised to have an oil change at least annually or after 6000 miles whichever comes first, diesels dirty the oil quite quickly so this is recommended despite Ford advising 12500 mile service intervals. Worked for me. Reset oil service light Ford Mondeo. Get in the vehicle ensure all doors are closed. Illustrated step-by-step manuals and video tutorials on replacing RENAULT TRAFIC Gearbox Oil and Transmission Oil will tell you how to carry out DIY replacement of parts and maintenance of your car quickly and cheaply 0ACT4Sw.