kirbykirb Posted August 24, 2009 Share Posted August 24, 2009 (edited) Thermostat, waterpump and maybe radiator needing replacement? or headgasket? Edited August 24, 2009 by kirbykirb Quote Link to comment Share on other sites More sharing options...
mdjdc Posted August 24, 2009 Share Posted August 24, 2009 It sounds like your fans aren't coming on. When you put the AC on it makes them come on. I'd have that checked out as you need the electric fans to work even when the AC isn't on. Quote Link to comment Share on other sites More sharing options...
bheinen74 Posted August 24, 2009 Share Posted August 24, 2009 maybe the normal radiator fan not coming on at all, maybe its wiring or connector issue. Sounds like the AC fan is coming on. Quote Link to comment Share on other sites More sharing options...
kirbykirb Posted September 22, 2009 Author Share Posted September 22, 2009 maybe the normal radiator fan not coming on at all, maybe its wiring or connector issue. Sounds like the AC fan is coming on. Hmm, so could it be the coolant sensor then? Since the radiator fans do come on sometimes by themselves if the AC is off, but quickly turn off again, but if I have the AC at level 4 (which I guess is the override) and AC on. Then the fans are always on and Temp gauge is then level. I think I should do a big run and replace nearly every sensor in my car, speed sensor (prolly ABS sensor as well) and eh. Quote Link to comment Share on other sites More sharing options...
Fairtax4me Posted September 22, 2009 Share Posted September 22, 2009 Sounds like a bad engine cooling fan relay. Quote Link to comment Share on other sites More sharing options...
kirbykirb Posted September 22, 2009 Author Share Posted September 22, 2009 Sounds like a bad engine cooling fan relay. Oh? Where is that at? In the engine bay fusebox? Quote Link to comment Share on other sites More sharing options...
OB99W Posted September 22, 2009 Share Posted September 22, 2009 (edited) Thermostat, waterpump and maybe radiator needing replacement? or headgasket? Your post doesn't indicate model or year, but your profile mentions a BD 1996 GT. The body style, of course, doesn't matter, but a '96 GT should have a DOHC 2.5L engine -- if so, it's certainly possible to have HG problems. If some of the coolant has been displaced by exhaust gases, then the temp gauge could be showing that. Furthermore, sometimes coolant won't be in full contact with the engine temperature sensor, so that the ECU doesn't properly control radiator fan operation. If you haven't already done so, I'd suggest checking the coolant level -- not just in the reservoir tank, but also by removing the radiator cap when the engine is cool enough and making sure it's full. Do a search on this forum for ''burp'' or ''burping'' to find info on being certain that you've filled the cooling system completely. If the system needs coolant, and you don't have any external leaks (and haven't done anything that would otherwise explain it), then HG issues are unfortunately likely. EDIT: I just found one of your previous threads. It seems that the possibility of bad HGs and what the symptoms might be has been considered before. http://www.ultimatesubaru.org/forum/showthread.php?t=96104 Edited September 22, 2009 by OB99W Quote Link to comment Share on other sites More sharing options...
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