MikeBmansfield Posted July 8, 2015 Posted July 8, 2015 The aircon is not working in my C4. The system is currently drained and I am wondering if there are any particular snags/difficulties in replacing the radiator before I have the system re-charged. Any advice or experience would be most welcome. Quote
paul.h Posted July 8, 2015 Posted July 8, 2015 Welcome to the forum. By radiator do you mean the air con condenser matrix at the front of the car ? If so, according to the Haynes C4 manual you first need to drain the anti freeze and remove the radiator. Then disconnect the refrigerant pipes on the condenser, recover the O-rings (need new ones), seal the open ends of the pipes so the air con dryer does not become saturated and need replacing, move the top of the condenser back and lift it out of the car. When refitting ensure its upper and lower mounting rubbers are correctly fitted, lubricate the sealing O-rings with compressor oil and refit the pipes. I would check the pipes are not corroded before you start in case they need replacing. The original anti freeze is a long life type but at possibly 10 years old it should be renewed and the old stuff flushed out. Your Citroen dealer will sell you the correct type of anti freeze but is likely to be an OAT type. Quote
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