Would a clogged radiator affect the AC in 2005 Jeep Liberty?

Asked by Jun 22, 2015 at 03:25 PM about the 2005 Jeep Liberty Limited

Question type: Maintenance & Repair

AC went out early September last year then notice that during the winter that I only had
heat when Jeep was moving.  Friend told me that it was a clogged radiator.  Was
wondering it it also affected the AC.  Bought freon with gage and the gage read over in
the red or too much pressure.  Took it as a sign of clogged radiator but thought I would
ask around.

2 Answers

69,485

Absolutely. The a/c condenser sits in front of the radiator. The heat removed from the air coming into the passenger's compartment is absorbed by the freon. The compressor pumps the hot freon to the condenser where it is cooled by the air flowing through it as you drive. If the engine cooling system is not working correctly and running hotter than it should, the added heat load from the air conditioning system will only make things worse. The condenser won't be cooling the freon like it should so the a/c performance will be poor. The high head pressure that you posted tells me that is what's going on since you already have a cooling system problem. Have the cooling system cleaned and the a/c should work well again too. HTH. -Jim

19,550

Also if you live in an area where there is a lot of dirt and bugs in the air you may want to try and clean your A.C condenser coil and radiator with a hose and spray nozzle or better yet a pressure washer that will remove the dirt and bugs so that you will have better air flow across your A.C coil and radiator.

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