The cruise control is not working in my Xantia MK II. I checked the brake light switch on the brake pedal and it is OK. When the cruise control is activated I can hear a click of a relay but the cruise control will not engaged .
The cruise control vacuum unit ( bellow ) in the engine bay looks OK .
Any idea ?
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- NOT Alistair or Simon
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I would check the associated pipes. I seem to recall somebody having the same problem, and there was a pinhole leak in a vacuum pipe which stopped the CC from working.