I made this for our 2014 Ford Escape's coolant reservoir cap. It can be a bit hard to turn and is tucked in a somewhat awkward spot and this tool helps a lot.
It should fit many newer Ford models. I think it may also fit some Mazda, Volvo, Land Rover as I saw a tools for sale online that supposedly work on all these brands. I can only confirm it works on my Ford. If you find it works on other vehicles, let me know and I can add that information.
It fits easily with just a little tolerance. I added a 3/8" square drive hole on the handle for a socket wrench just in case you need a little extra torque, which I doubt you will.
If your cap is just under 60mm in diameter at the outside of the 6 ribs and is ~55 mm diameter at their base, then this should work for you.
COOLANT_WRENCH.stl | 774.7KB |