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Heating not working

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DanCD   
Fri Apr 23 2021, 05:18am
Member No: #55212
Joined: Dec 15 2019
Location: Nottingham
Hello everyone,

Apologies if this has been covered elsewhere in the forum, I've found similar issues but not specifically the same as mine.

Over the past few weeks I have been having a coolant leak issue on my Citroen C4 1.6 VTi exclusive 2011 and subsequently put some K-seal into my expansion tank for a temporary fix. This did stop the coolant leaking but as this was only temporary I took it to my local Citroen dealership and they found it to be due to a leaking thermostat housing which they replaced.

However, my heating isn't working (I'm not sure if it was working before the thermostat was replaced as I've not used it for a while). The fans are blowing but the heating only gets lukewarm even after the engine has had enough time to get to operating temperature. I was thinking, could this be a blocked heating matrix? and could this have been blocked by the K-seal I put in?

Does anyone know where the heating matrix is on this car and whether this would be an easy job to unblock or repair myself?

Many thanks,
Dan
vexorg   
Fri Apr 23 2021, 11:17am
Member No: #48843
Joined: Jul 06 2017
Location: Scotland
Any coolant sealant is a true bodge and people that use it deserve the results. Fix it right, or not at all.

Could just need bled properly, it's a bit of an ordeal to do right on a Citroen.
 

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