Sparky242 Posted July 11, 2020 Report Share Posted July 11, 2020 Hi All I have a 2000 Volvo 610 last summer my sleeper blew nice cold air but on heat it still blew cold air, that was ok. This summer it blows hot air when on cold or hot temp setting, not ok. Don't know where to start looking or and I missing some thing simple. Thanks Stan Quote 2000 Volvo VNL 610 2011 Cedar Creek 36RE Link to comment Share on other sites More sharing options...
rdickinson Posted July 11, 2020 Report Share Posted July 11, 2020 I had the same issue few years ago. It turned out to be a coolant leak. Do0n't recall the specific location or what was replaced if anything. It was a simple fix though, so not too spendy. Quote Link to comment Share on other sites More sharing options...
Sparky242 Posted July 12, 2020 Author Report Share Posted July 12, 2020 Thanks for the info, Charged it last summer, had to recharge it this week added 2 lbs Shrader valves on the both low and high side were leaking, I thought I found the leak guess I will have to dig deeper Thanks Stan Quote 2000 Volvo VNL 610 2011 Cedar Creek 36RE Link to comment Share on other sites More sharing options...
Star Dreamer Posted July 14, 2020 Report Share Posted July 14, 2020 I think there are some older posts or maybe in the resource guide, about the coolant lines going to the sleeper that corrode and leak. You may want to check those. Quote 2005 Freightliner Century S/T, Singled, Air ride ET Jr. hitch 2019 46'+ Dune Sport Man Cave custom 5th wheel toy hauler Owner of the 1978 Custom Van "Star Dreamer" which might be seen at a local car show near you! Check out http://www.hhrvresource.com/ for much more info on HDT's. Link to comment Share on other sites More sharing options...
Sparky242 Posted July 15, 2020 Author Report Share Posted July 15, 2020 Thank You should have remembered the resource guide, I have used it many times Quote 2000 Volvo VNL 610 2011 Cedar Creek 36RE Link to comment Share on other sites More sharing options...
Sparky242 Posted July 21, 2020 Author Report Share Posted July 21, 2020 I think I fixed my ac problem in the sleeper and thought I would pass along what I found. My sleeper heating/cooling control is a potentiometer, so I removed it, sprayed it with electrical contact cleaner and worked it back and forth a bunch of times, put it back in and now I have cold air in the sleeper. Hope this might help someone else down the road Quote 2000 Volvo VNL 610 2011 Cedar Creek 36RE Link to comment Share on other sites More sharing options...
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