Tyre Pressure Drop - Page 2 - Ford B-Max Forum
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post #11 of 26 (permalink) Old 2nd July 2020, 19:23 Thread Starter
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Will stop off at another tyre shop when I pass one. There is another not far away I have used previously.

B Max Titanium X 1.0 125 bhp in Magnetic with built in SatNav and rear sensors.
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post #12 of 26 (permalink) Old 3rd July 2020, 09:33
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Leaks around the valves are quite common on the alloys used on the Bmax, and maybe some other models ?
I had a front wheel with a very slow pressure drop. I took it into my local tyre dealer, he removed the valve
cleaned the seating and replaced it. Now I have a similar problem with a rear tyre.
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post #13 of 26 (permalink) Old 26th October 2020, 17:45 Thread Starter
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Eventually got fed up with the pressure loss and had a standard valve put in. I was sure there was an option in the menu to turn the sensors off, but now found there isn't. I haven't checked the manual or anywhere else yet, but does anyone know how to turn the pressure warning system off ,e.g.removing a dedicated fuse, disconnecting a wire, etc.

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post #14 of 26 (permalink) Old 26th October 2020, 18:15 Thread Starter
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p.s. There is no fuse for the tyre sensors, so must be connected to a general system fuse.

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post #15 of 26 (permalink) Old 27th October 2020, 14:14 Thread Starter
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Any offers on this one? Maybe the sort of question that only Gremlin can answer?

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post #16 of 26 (permalink) Old 27th October 2020, 15:31
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Sorry, can't help on this one ...you could always put a small round sticker over the warning light !!!

John

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post #17 of 26 (permalink) Old 27th October 2020, 20:21
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I don't think you can turn off the tpms, since it's been mandatory for 'new' vehicles in EU since november 2014
but I think it can be turned off in the earlier cars.

ford changed from a wheel speed sensing system, to a valve mounted system, as tpms was becoming mandatory.

just putting a sticker over the light would be an MOT fail

as standard, ford valves with sensors have a rib on their rubber body, or are a bolt in type.

most informative (and readable) article I have is...
https://www.schradertpms.com/en-gb/c...on-overview-eu
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post #18 of 26 (permalink) Old 27th October 2020, 23:07 Thread Starter
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Thanks Gremlin. Not the answer I was hoping for, so may end up changing the valve again then.

As it happens, I am currently looking at a new Puma, so it may depend on whether I take the plunge or keep the BMax for another year or two.

B Max is due for a service in December, so I could ask them to replace the valve then depending on how annoying I find the start up warning. I'm not too bothered by the yellow 'I' light.

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post #19 of 26 (permalink) Old 30th October 2020, 13:54 Thread Starter
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Tyre dealer gave me the old valve and sensor, so i assume that if i give the sensor to Ford when it's serviced and MOT'd they will fit it to the new valve and not charge me for the whole thing.

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post #20 of 26 (permalink) Old 30th October 2020, 23:17 Thread Starter
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Odd. went to the ford dealer to test drive the puma earlier and left the salesman my keys as security and to enable him to value the B Max.

When I left, the tyre pressure system warning had disappeared and hasn't appeared since. Did he find a way to switch it off or does it disable itself after a while? Strange coincidence if it did.

Thoughts?

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