Sooo. gloves would be advisable then?.......just kidding, given that the bumper has to come off and that I have no inclination to undertake a job I'm unsure of, I'm gonna book it into the dealers.
I have read that the switch screws into a valve assembly similar to a tyre valve, although this would mean some gas would escape as the valve was removed/fitted.
Think I'll get the garage to do it for me.
Does the system need the gas removing first? My A4 has a blown fuse 6 (air con pressure switch) and blows a new fuse as soon as the ignition is swiched on. I'm thinking that if the wiring is ok (will test for a dead short at the plug when I find the damn switch) then the pressure switch must...
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