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Radiator Freeezing Cold
Posted: Sun Jan 16, 2011 2:12 pm
by Gary406
just done a 15 mile trip. got home and my radiator fans wont go off
i touched the radiator and it was freezing cold all over
surely thats not right,,,
car doesnt over heat but is still staying around 75-80 on the temp gauge

Re: Radiator Freeezing Cold
Posted: Sun Jan 16, 2011 2:20 pm
by Gary406
i had this in the arctic -10 conditions few months ago but now its 11
seems it is only doing it since i changed my coolant system
i undid the bottom tap on the radiator to empty the system ,,,
Re: Radiator Freeezing Cold
Posted: Sun Jan 16, 2011 2:27 pm
by teamster1975
Are you getting warm air in the cabin?
I'm thinking sticky thermostat or air lock.
Re: Radiator Freeezing Cold
Posted: Sun Jan 16, 2011 2:37 pm
by Gary406
heaters have been a bit poor recently, i put it down to the freezing cold weather but not its 11 degrees they still are not as good as they should be
Re: Radiator Freeezing Cold
Posted: Sun Jan 16, 2011 2:38 pm
by Gary406
would the thermostat be stuck open then if radiator is not getting hot ?
Re: Radiator Freeezing Cold
Posted: Sun Jan 16, 2011 3:34 pm
by steve_earwig
Do the fans go on with the ignition?
Re: Radiator Freeezing Cold
Posted: Sun Jan 16, 2011 4:01 pm
by Gary406
the fans were running after i had got out the car , locked it, went over other side of my street for 5 minutes and when i got back they was still running
Re: Radiator Freeezing Cold
Posted: Sun Jan 16, 2011 4:35 pm
by steve_earwig
Could be they're overcooling the radiator. Stuck relay probably.
Re: Radiator Freeezing Cold
Posted: Sun Jan 16, 2011 6:03 pm
by Gary406
after a 5 mile ride round , the radiator was still cold after the 5 mile ride
i took the coolant tank lid of and started to squeeze the pipe that goes into the thermostat housing...
and when i was pumping the pipe i could feel the radiator going hot all over
i did all this why the engine was still running ,,,radiator is now red hot
when the engine was cold a few hours ago, i firmly squeezed the same pipe and i could hear water as tho it was squeezing past the thermostat
think im gonna change it 2moro and see how it goes
for the price of a thermostat its worth doing