Anth4130 Posted April 6, 2014 Share Posted April 6, 2014 I've searched and all I can find is people with constant cold air problems. When the car is up to temperature and I'm driving along at say 30mph - cold air... bump the speed up and it's hot. On idle it's cold, increase the revs it goes hot. I've checked coolant levels and they're fine. I've done the bleed screw, a slight amount of air came out but not a great deal. I've made sure the climate control auto switches aren't on, but wouldn't make sense for it to go hot and cold from idle to increase revs. I'm now out of ideas... Other than maybe a sticky thermostat or a heater matrix problem? Quote Link to comment Share on other sites More sharing options...
lewistaylo111 Posted April 6, 2014 Share Posted April 6, 2014 sounds to me that your heater matrix maybe on its way out , i would say its worth giving it a good check ! Quote Link to comment Share on other sites More sharing options...
Keyser Posted April 6, 2014 Share Posted April 6, 2014 Pm received and replied Quote Link to comment Share on other sites More sharing options...
Anth4130 Posted April 13, 2014 Author Share Posted April 13, 2014 Turns out it was just an air lock. When I used the bleed screw for the last time it hissed out about 15 seconds worth of air before any bubbles then eventually coolant! Thanks to those who helped Quote Link to comment Share on other sites More sharing options...
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