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There could be a bit of a "capacity controversy" going on.
The factory put in 1.6, but it may actually take >2L?
This may explain why the fluid seemed so worn out, and the clacking noise as the transaxle is loaded?? (could be differential or axle shafts - yet to confirm)
Search "(B6)" in the 2016 owner's manual.
https://owner.ford.com/tools/account/how-tos/owner-manuals/sitemap.html
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On page 241 it lists:
- Manual transmission fluid (B6) 1.7 qt (1.6 L)*
On page 242 it lists:
- WSS-M2C200-D2
- Motorcraft Dual Clutch Transmission Fluid
- XT-11-QDC
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On page 238 it lists:
- Manual transmission fluid (ib5) 2.2 qt (2.1 L)*
On page 239 it lists:
- WSD-M2C200-C
- Motorcraft Full Synthetic Manual Transmission Fluid
- XT-M5-QS
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The first serial is the specification. The second serial is the Ford part number for the Motorcraft fluid.
I checked the 2016
Service Manual and it matches the
Owner's Manual on the spec and part numbers, for both the "B5/IB5" and "B6" transmissions. So this is good.
Owner and Service Manuals do agree on spec and part serials but they differ slightly on capacities.
Onwer's Manual capacities:
Service Manual Capacities:
Service Manual is more precise with a spec of "1.67L" on the B6, and adds 8.6% more fluid for the B5/IB5 at "2.3L". However, this is not the controversy.
Refill Instructions for Service Manual:
Put in fluid until it reaches the Fill Hole.
- B5/IB5 = 'It combines instructions as "B5/IB5" and says (via graphic only) "5-10mm" from fill hole.'
- B6 = "Remove enough fluid to be 1 in (20mm) below the fill hole."
As mentioned in the beginning, I got approximately 1.6L of the OEM fluid out. I didn't check the level before draining, but refilling with ~1.6L did not put the fluid anywhere near the manual spec 20mm/1" from the fill hole. I triple checked the Service Manual to make sure that I wasn't looking under the refill spec for the "IB5" instead of the "B6". I was able to confirm that I was
not under the wrong section.
So I'm wondering whether the refill is actually ~2.1L and the factory + ford documentation goofed? Next person that refills, can you corroborate my observations?
Given that vehicle tilt makes a massive difference in fill "capacity" or distance from the fill hole, I did use a ground lever on the garage floor, and also measured the distance of the apex of the wheel well from ground.