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Topic Review (Newest First)
06-09-2015 04:47 PM
It's probably Tyres

Some years agoI had 2 new tyres fitted to my Ford Focus mk1.The guy fitted 65 profiles instead of 60 he blamed me for requesting the wrong tyres.Anyway I run for more than a year with these on the front. When the rear tyres needed changing I had the 65s put on the rear and had 2 new 60s on the front ( opposite to previous configuration ).This is when the traction control light started coming on ( plus rubbing noise ).After lots of time wasted thinking the new tyres were to blame I finely reversed front and rear and the problem went.When the 65s needed changing they were replaced with 60s ,end of story.
Just recently a mechanic friend had been asked to look at a focus that had the traction control light up on a 30mph right turn. All for tyres were the same profile (55s ) but one of the rear tyres had just been renewed .He had a test box and logged into the car .It appeared that the wheel ,stearing angle and lateral acceleration sensors were working but not the yawl sensor (stayed in the middle ,no change).The problem was that this is only supplied by Fords and about 125 and we couldn't be sure. But after reading these threads it was a coincidence that all the problems started after new tyres were fitted. He them changed the new rear tyre with one at the front and then found some had low pressure which was corrected and BINGO problem solved
06-30-2014 02:11 PM
phill8686 Thanks for the update, fingers crossed for you.
06-28-2014 06:58 AM
veganjames Hi Phil,
Thanks very much for the reply. Strangely my car also has new (about 4 months ago) tyres on the rear and the fronts will need replacing soon - about 3.5mm of tread left. So your solution sounds promising.
I had started thinking it might be a wheel bearing that needs replacing. Now I think I might just get two new tyres, wheels balanced and tracking checked. As tyres will be needed soon anyway this sounds much cheaper.
Will let you know what happens. Thanks again.
06-27-2014 04:04 PM
phill8686 Hi.
So strange on my solution to the ESP.
I needed an MOT and two front tyres, I took the car to my ford garage as the chap who sold it to me said he could do me a good price.
Car passed MOT and the ESP was sorted.
From what I have put together.....
The ESP started to play up when I had the front tyres changed, I then just switched off ESP by going into main menu and either ticking or removing the tick sorry cant remember if its ticked by default.
Then when my tracking had worn out my tyres I again had new front tyres and it just fixed itself.

I would try jacking up the front of the car and take off both wheels. Have a coffee and put them back on.

If this doesn't work go to a garage and ask them to check the wheel balance on the front wheels. They will take off the wheels for you and check they are balanced. This should not cost to much.
Fingers crossed this may fix your problem.
Post back and let me know how you get on.
06-25-2014 02:34 PM
veganjames Hi,
My Focus has started making a noise like this in these situations, sometimes accompanied by the ESP light flashing. All very similar to this thread.
It has only done 35k miles and is about 8 months out of warranty.
Did you ever find out what was causing this?
Did you get it sorted out?
How much did it cost?
How do you turn the ESP off?
11-26-2012 02:04 PM
phill8686 Hi.
The rain stopped long enough for me to check all 4 tires, could not find anything obviously wrong. it is still only on the front near side. seems to be more when i turn to the right than the left if that would mean anything.
Guess its a trip to the garage, for now im just going to turn off esp.

Thanks again for everyones help.
11-18-2012 12:30 PM
phill8686 Thanks for the suggestions.
I have not been able to check for any movement etc as it has been raining here. Nothing new with that, at least the weather is working as it should
Will post back once I have had the chance to look.
11-17-2012 12:19 PM
nilskje This would give an ABS error message as well....
11-17-2012 11:53 AM
sailor Agreed - This was my first guess as well, thinking that if the bearing was starting to get loose that air gap could be excessive only when cornering...

Good thing to check out in any case...
11-16-2012 05:53 PM
iminhell "tsssss" sound to me would indicate the rotor is moving/flexing under cornering loads. Typical sound of a stone stuck in a pad, worn pads, rust buildup, improperly TQ'd lugnuts, worn wheel bearing or any other loose part you may thing of attached to the wheel.

Now the fact that the traction lamp comes on, to me that points more towards a bearing issue. There is a specific 'air gap' between the Wheel Speed Sensor and the Tone Ring. This is a fixed clearance. But if a bearing is worn/loose this clearance can move/grow. I can see where this could cause a lamp to light up.
But seems that if a bearing were bad you'd notice it under other conditions.

So I'm kinda at a loss as to what exactly it can be. But the simple things are making sure everything is tight and TQ'd properly. Jack the car up and wiggle the tire from top to bottom, there should be no play at all. If there is, it points to a bearing.
Also make sure the axle stub is tight, something like 233ft/lbs IIRC.
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