Paton Posted January 16, 2015 Share Posted January 16, 2015 Changed my coolant and I'm not getting heat inside the car now. I'm guessing the thermostat is fine as the dash gauge rises as normal. I didn't bother flushing it however. Started the car up and I got a slight whirring sound as it got up to almost halfway temperature and the radiator level went down, topped it up a bit. Is this just the pump making normal noises ? I don't think I've fully bled the system atm as I turned it off with the whirring sound as I've never heard it before and don't fancy cooking the car if anything is a miss. Cheers Quote Link to post Share on other sites
parker85 Posted January 16, 2015 Share Posted January 16, 2015 Same happened to my car let it run for a while with rad cap off and the heat shud come thru just keep an eye on the temp gauge . Quote Link to post Share on other sites
Paton Posted January 16, 2015 Author Share Posted January 16, 2015 Cool, cheers. I'm just being a bit over cautious when attempting work myself now. Quote Link to post Share on other sites
Flower Posted January 16, 2015 Share Posted January 16, 2015 Is there any bleed screws ect... like on the thermostat housing ? Quote Link to post Share on other sites
mattyD Posted January 16, 2015 Share Posted January 16, 2015 Take the rad cap off and run it until it stops bubbling, you may lose a bit of coolant from the rad but will be fine once it settles Quote Link to post Share on other sites
fiddlersport Posted January 16, 2015 Share Posted January 16, 2015 could be a dodgy thermostat, common Quote Link to post Share on other sites
Paton Posted January 18, 2015 Author Share Posted January 18, 2015 Cheers everyone, got it sorted today with a mate. I sat and revved it a bit over idle while he topped it up and the coolant worked it's way through the system and heaters working fine now. Didn't get the fan come on at all but it was too cold I think. Quote Link to post Share on other sites
FMuscle Posted January 18, 2015 Share Posted January 18, 2015 If the cap's open and it's cold out, it might not come on. Just as long as it works when the system is pressurised. (Cap on) Quote Link to post Share on other sites
patman Posted January 27, 2015 Share Posted January 27, 2015 I have to do this aswell I think I got an air lock in mine, engines been rebuilt a couple of months ago, but never had hot air coming through the car only slightly warm, doesn't over heat, temp sits just under half way, both heater hoses from firewall are hot, top rad hose is hot, bottom rad hose stays cold, had a new thermostat in aswell, can only think an air lock or thermostat isn't in right way? Never put new thermostat in hot water either to test it before it went in Quote Link to post Share on other sites
FMuscle Posted January 28, 2015 Share Posted January 28, 2015 I can hardly see the stat being in the wrong way, the shape of the housing is pretty much fool proof... From what you say I think your stat is not opening. But try to re-bleed the system first, if you can, bleed it with the front end jacked up as high as you dare. Quote Link to post Share on other sites
patman Posted January 28, 2015 Share Posted January 28, 2015 Hello mate Thankyou for te reply gonna flush it and check thermostat aswell but got a funny feeling it's the heated matrix clogged up 👍 Quote Link to post Share on other sites
patman Posted February 14, 2015 Share Posted February 14, 2015 So just been outside to check the thermostat that's all fine even tested to see if it opens so that's all spot on, ran car up to temp let all bubbles out and still no hot air on the car, so next thing is flush the heater matrix out 👍 Quote Link to post Share on other sites
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