shavedchimp Posted September 9, 2011 Report Posted September 9, 2011 Hi - VW Sharan Mk I question, hope that's ok? Recently a hissing noise has started when the engine is running. It seems to be coming from behind the middle air vents inside the car, just above the CD player - so behind the fascia/dashboard. It doesn't change in pitch when I turn on the fan. It is a constant hissing and doesn't seem to be related to revving the engine. Looking under the bonnet doesn't reveal anything to me. Any ideas? Has a pipe come loose, or severed? Has this happened to you ever? Thanks Peter Quote
seatkid Posted September 9, 2011 Report Posted September 9, 2011 If you have manual A/C (dials) then the recirc control is vacuum operated, check the piping behind the dials. Quote
shavedchimp Posted September 17, 2011 Author Report Posted September 17, 2011 If you have manual A/C (dials) then the recirc control is vacuum operated, check the piping behind the dials. thanks for this advice - is it easy enough to get behind the dials? Quote
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