greyjag Posted December 16, 2012 Report Share Posted December 16, 2012 My S8 with 150,000 miles on her won't warm the cabin. Actually sometimes it will but not often. I can hear the fans but nothing coming out the vents. Sometimes defrost works. Any Ideas? Link to comment Share on other sites More sharing options...
cruiser647 Posted December 16, 2012 Report Share Posted December 16, 2012 Does the engine temp rise to 90? Does the oil temp rise to 90? Link to comment Share on other sites More sharing options...
TIDYDUBS Posted December 17, 2012 Report Share Posted December 17, 2012 I do believe like the A6 they have a valve with 2 electrical connectors in the plenum chamber circa £250???.....has the water running through it.I did one recently on which i posted a thread on here about Fbruary i think?? I trust you have no HOT air flowing through your vents? Once replaced you will have to vacuum fill the cooling system to which its turned to G13 now......should only be used with distilled water by all accounts. Hope this helps???Tidy Link to comment Share on other sites More sharing options...
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