Join Date: 18th November 2018
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Heaters not working and coolant in passenger footwell
Hi guys, not a good first post to make but my father is having trouble with his car and we can’t find what it is. I’ve searched high and low on the internet and 95% of results come back with the older model cars so its no help.
The car is a 2011, honda civic 1.8si.
Early in the summer he had a coolant hose split, only a small one ontop of the engine. I found it, replaced, bled the system and all has been fine for a good 4-5 months.
Recently there was a damp smell in the car and he noticed the passenger footwell was soaking, upon further inspection its coolant. He’s now having trouble where the heaters won’t work properly. They are blowing cold air, completely fogging the windscreen up and then every now and then they blow a surge of hot air then go back cold. The cars temperature is also going to maximum.
I thought it was just air so I’ve tried numerous times to bleed the system but it doesnt seem to be making a difference.
Has anyone got any ideas as to what it could be? I read it could be the heater core but that could cost a small fortune to replace if it is. I want to prove everything else first.
The top big coolant hose is getting warm but the but the big bottom one is staying stone cold which I thought could be the thermostat not opening.
This couldn’t have come at a worst time to be honest so any pointers in the right direction would be greatly appreciated.