Garrett Powered Posted October 23, 2008 Report Share Posted October 23, 2008 I just started driving my winter car and there is no heat and its hard to get it to defrost in the morning. I have had this problem with the other black tgp and it seems to have cleared up on that car. Should I just flush the coolant or can the heater core be flushed seperately and more effectively? what would be the first thing to check here? I flush all the cars regularly and keep coolant mixtures so there should not suddenly be a bunch of corrosion Quote Link to comment Share on other sites More sharing options...
Crazy K Posted October 24, 2008 Report Share Posted October 24, 2008 Should I just flush the coolant or can the heater core be flushed seperately and more effectively? yes. you could disconnect the lines from both ends of the heater core, and force water from a hose to pass through it. that would clog bust it, followed by a CLR soak then flush both ways. I do this at least once per car. Personally, I remove and manually flush flush the heater core which is actually very easy to do, if you know what you are doing. I did Psychomatt's TGP in about 30 mintues, using the removal technique. You pop the cover off, and if you have an OEM heater core, there will be releasable snap holds keeping the lines attached thge the heater core. pry them loose and an OEM heater core will come out, can be inspected and washed in the sink... hell, when i can, I fill them with CLR (or vinegar) and boil them on a stove to quicken the chemical reaction.... then flush water though till it is clean and clear. very doable. don't forget you can read a FAQ thread on heater core removal and installation, and remeber to remove the accelerator pedal if you go the remove, flush and reinstall method. Quote Link to comment Share on other sites More sharing options...
Garrett Powered Posted October 24, 2008 Author Report Share Posted October 24, 2008 I will have to pull the core out then and inspect it. thanks. Quote Link to comment Share on other sites More sharing options...
5speedz34 Posted October 25, 2008 Report Share Posted October 25, 2008 If you're going to pull it why not just replace it? Quote Link to comment Share on other sites More sharing options...
Crazy K Posted October 26, 2008 Report Share Posted October 26, 2008 If you're going to pull it why not just replace it? I've pulled a dozen. only one was bad. why spend $$$$ if it is just a clog? Would you buy a new toilet before or after trying a plunger? Quote Link to comment Share on other sites More sharing options...
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