Still ongoing issue..
Checked both vacuum lines and seals are tight..
Had another technician take a quick look whilst car was booked for MOT and he noticed a slight discolouring of a very small corner section of the intercooler on one side indicating I presume a possible leak..
He spray cleaned it and told me to bring it back after about a week and see if stain had returned and if so will take bottom cover of and investigate further..
In meantime is it possible its only a loose pipe as last year air conditioning rad presume was replaced under warranty..could they have dislodged something then?
Thanks
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