Originally Posted by jonnyboy93
Hi
Been having some issues with the brakes on my 2002 S40 T4 recently. I have had a search through the forum for similar issues, but nothing I can find quite the same.
The issue - For a while now, the brake pedal has been very high and hard. Very little travel, and it feels like you have to really put in the effort and that the braking power is reduced and the car takes longer to stop. Other times the pedal feels more normal, in that there is more travel and more progressive braking.
When there is longer travel on the pedal, at times it feels like there is a notch half way down where there is some resistance, and this then gives way.
Also, a few times, when the pedal has been really hard, and have been braking, the pedal has then given, and dropped all of a sudden.
I have done the standard test to check the servo, pump a few times with engine off and the pedal is firm (not many/any pumps required), and then with foot on the pedal start the engine and the pedal drops.
Its a little worrying as its not all the time, so you are never sure how the brakes are going to perform. For example, on a longish journey yesterday, they were fine to start out with, a couple of times along the journey the pedal was very hard and required a lot of effort to stop the car, then it was back to normal, and then towards the end of the journey, had the pedal being firm then dropped after a bit of pressure was put on it.
I have had all the wheels of and had a visual inspection of the discs and pads, and can see nothing out of the ordinary or uneven wear. All the pads and discs were replaced about 18 months ago.
Any ideas what this could be? I'm leaning towards intermittent servo performance myself, but am interested in others views before I source a replacement for this
Cheers
Jon
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