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I just took delivery of my Frozen White Focus RS (RS2, forged wheels, Super Sport tires, no sunroof, winter wheel/tire package). I was surprised to see the owners manual supplement does not list tire pressures and only says to see the door jam sticker. I was even more surprised to see the recommend pressures noted on the door jam are 46 front, 46 rear (seemed very high) and the door jam and manual both do not make any reference to different partial load and full load pressures.
So I did some research. The UK owners manual for the Focus RS notes the following:
Normal Load:
-Front: 41 psi
-Rear: 38 psi
Full Load:
-Front: 46 psi
-Rear: 46 psi
So, unless you are loading your car with passengers and/or luggage then you should run the normal load pressures noted above. I wish Ford was like BMW and listed all the various pressures for every wheel/tire/load combination. It seems Ford North America decided to just list the full load pressures.
Now to figure out what Ford recommends for the 18-inch winter wheel/tire package. Luckily, we have time. It's only June.
So I did some research. The UK owners manual for the Focus RS notes the following:
Normal Load:
-Front: 41 psi
-Rear: 38 psi
Full Load:
-Front: 46 psi
-Rear: 46 psi
So, unless you are loading your car with passengers and/or luggage then you should run the normal load pressures noted above. I wish Ford was like BMW and listed all the various pressures for every wheel/tire/load combination. It seems Ford North America decided to just list the full load pressures.
Now to figure out what Ford recommends for the 18-inch winter wheel/tire package. Luckily, we have time. It's only June.