Coleboy Posted January 29, 2014 Share Posted January 29, 2014 Guys, brought the car home tonight, my first night drive with it, i am sure my old supra,s temp knob use to have a light to show what the temp was set to, like the fan speed one! also i have found out that there is little heat coming from the heaters, are the two linked or i just unlucky???? Cole Quote Link to comment Share on other sites More sharing options...
Graham1984 Posted January 29, 2014 Share Posted January 29, 2014 I have an intermittent temp backing light too along with the fan speed, the multi light speed indicator works but not the display at the bottom it's annoying but probably just a dud led..... as for the other problem I have no idea. Quote Link to comment Share on other sites More sharing options...
rider Posted January 30, 2014 Share Posted January 30, 2014 Guys, brought the car home tonight, my first night drive with it, i am sure my old supra,s temp knob use to have a light to show what the temp was set to, like the fan speed one! also i have found out that there is little heat coming from the heaters, are the two linked or i just unlucky???? Cole There is a back light of sorts though with mine you can't actually see enough to read the temperature setting. Been that way since I purchased the car 16 years ago. If you aren't getting enough heat and the engine is running at the correct temperature then it isn't a quick thermostat or radiator cap fix. You could then be looking to a restricted flow into or within the heat exchange matrix caused by an air lock or crud in the system if the flaps are operating OK. Changing out the matrix or the heater hose water valve is apparently a bit of a pain but then it is on most cars. I'd suspect the water valve not opening fully - this link is useful background reading. http://books.google.co.uk/books?id=YhLDNDp3Zl8C&pg=PA137&lpg=PA137&dq=Heater+Hose+Water+Valve&source=bl&ots=rusnUsAQtN&sig=9wWem2tRDwCyKDiNxw5Cf7YInf4&hl=en&sa=X&ei=-R3qUoruF6Wb0QWt24CYDQ&ved=0CKsBEOgBMA4#v=onepage&q=Heater%20Hose%20Water%20Valve&f=false Quote Link to comment Share on other sites More sharing options...
rider Posted January 30, 2014 Share Posted January 30, 2014 I'd suspect the water valve not opening fully - this link is useful background reading. Just as an add in comment, if is does turn out the be the valve then that is solenoid operated so could be as simple as a fuse fix. Its always best to check the easy fixes before doing anything major. Quote Link to comment Share on other sites More sharing options...
Coleboy Posted January 30, 2014 Author Share Posted January 30, 2014 Had a play today, looks like the heater matrix is blocked........thinking about trying a cleaner of some sort and a flush???? Any ideas of where to buy one guys, i bet dealers are maga bucks........ Quote Link to comment Share on other sites More sharing options...
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