Tire size?
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I am going to use the stock 16" wheels for winter and buy a new set of winter shoes for them. My wife decided that the tires are a needed expense so that won't have to come from my racing/modifying budget. My summer wheels are custom 17" ones from Axis with some kind of 205/40 17 tire. I am not sure what tire I am going to use yet. The wheels have 215/45's on them now, but I will sell those with my Focus since they are too big for the Fiesta. The car sits way too high on those tires, so I am going to change them for something different. Still wondering what to do with the TPMS sensors.
black electrical tape,...2nd most useful tape next to Duct Tape.Black tape over the alarm light always works
Unless there's an audible alarm, too...
I suspect it will show up on the multi function LCD panel at the center of the dash.Back to the tires; My P5's winter tires are 195/65's so they should fit the Fiesta rims fine. Pessimistic speedo being the only hitch.
This is a list of all tires sizes and the pressures that should be run in them the first set of pressures is normal loads and the second set of numbers is for fully loaded. This is the tire size listed for European models which is why there is a 14 wheel listed.
All engines 175/65 R14 F (31) R (26) F (35) R (46)
All engines 195/50 R15 F (31) R (26) F (35) R (46)
All engines 195/45 R16 F (31) R (26) F (35) R (46)
All engines 205/40 R17 F (31) R (26) F (35) R (41)
All engines 195/60 R15 F (31) R (31) F (35) R (38)
All engines 175/65 R14 F (31) R (26) F (35) R (46)
All engines 195/50 R15 F (31) R (26) F (35) R (46)
All engines 195/45 R16 F (31) R (26) F (35) R (46)
All engines 205/40 R17 F (31) R (26) F (35) R (41)
All engines 195/60 R15 F (31) R (31) F (35) R (38)
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421 Posts
Is the Fiesta going to be 4X108 or something different? Hoping it can take Focus Mk1 wheels......
Most likely you will have to get another set. But always remember that I can also get you awesome prices on Ford parts. We use a huge worm clamp along with OEM sensors here all the time with no problems at all.
the Fiesta will use a TPMS sensor mounted on the valve stem, behind the rim of the tire. The whole TPMS thing really messes up my winter/summer tire deal and I consider the system stupid. It means more people won't use proper tires for conditions. This is an issue in the snowy climates were I see snow tires becoming more common on cars. We have TPMS on our Escape, and the only time the light triggers is when the sensor goes silly. I wish there was a more cost effective way to employ the system for people who use multiple sets of wheels and tires. Currently, it is very pricey. Last time I checked, the sensors would cost just about the same as summer tires, not including the programming cost. Each time I swap between seasons, it is another trip to get it reprogrammed, or buy a programmer.
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104 Posts
Is it possible to just not program the system and deal with the light being on all the time?
Already discussed with people in the know, and you can't undo the TPMS system since it is mandated by the feds. Discussed a track programmer that can be plugged in to defeat traction, stabality, and TPMS for track use only. Feds would not like the idea of turning the system off.
We used to sell a programmer for the E-150 that would let you reprogram the TPMS by yourself. It cost about $20 or so.
8C2Z-1A203-A is the part # @ Team Ford Parts Online- Ford OEM Parts at a discount
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104 Posts
I know it is a federal mandate that cars be built with this system. But what does the mandate say about end user modication? I don't know the wording of the law, but I know people who did not replace their airbags after an accident and of course you don't have to drive a mile to see someone who is missing their 5 mile per hour bumper.
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421 Posts
I have a set of 17" early SVT Focus wheels and am dying to see how they look on the blue Fiesta, if there aren't any fit issues that is.
you will need to step down a tire size if you are using 215/45 17 on the wheel. I put my 17" Axis wheels on the Fiesta and noticed there is about a half inch gap between the tires and the fender when using the 215/45 17, so I am going with either a 205/40 17 or 215/40 17. Both tires will be very close to the same diameter as the stock 16".
Yes if you put aftermarket wheels on that don't have the TPMS sensors then the low tire pressure light or warning will just stay on. However if the Fiesta uses the TPMS sensor style that is part of the valve stem all you need to program that style is a circle magnet that has a whole in the middle that will go over the valve stem.I use one that is found in transmission panels that collect metal in the trans pan but you can find them at stores I am sure. To put the system in program mode you cycle the key 3 times within 10 seconds and after the third time leave the key on and press and release the brake pedal,the horn will beep and the message center will say program LF wheel. You then take the magnet and put it on the LF valve stem and wait till the horn beeps again and then put the magnet on the RF,RR,LR in order and wait for horn to beep on each wheel before moving to the next. After all wheels have been programed the message center should say programming complete. If they use the band type sensors then the program steps are the same except it uses a special programming tool instead of a simple magnet.
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