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Since I purchased this vehicle 5 years ago. I have had issues with the heat. Most times, the dealer (many) state 'you had air bubbles in the system'. Works for a couple days then just blows cold air. Latest dealer could not find anything wrong but stated it may be the 'control'. At this time, when it is cold, I just turn off the whole system to keep warm. Luckily , I now live in Florida.


Any suggestions; should I let them replace the controller; what ever that is.


Thank you.
 

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2013 Pathfinder SL, Connecticut, USA
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Since the R52 Pathfinder platform has not been out for five years yet, I can only assume that you have a pre-2013 model. This forum specializes in the newer, non-SUV models, so your heating system is likely to be somewhat different. I'm no expert, but I can say with some assurance that your problem is not "air bubbles".

Perhaps someone can chime in and offer some better suggestions?
 

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Easy check is to look for the schreader valve located in the back passenger side of engine compartment. Undo the top and press the valve to see if air comes out.
 

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Since I purchased this vehicle 5 years ago. I have had issues with the heat. Most times, the dealer (many) state 'you had air bubbles in the system'. Works for a couple days then just blows cold air. Latest dealer could not find anything wrong but stated it may be the 'control'. At this time, when it is cold, I just turn off the whole system to keep warm. Luckily , I now live in Florida.


Any suggestions; should I let them replace the controller; what ever that is.


Thank you.
You shall definitely replace it after 3 years of use, and considering it's 5 years for you.. run to service. My air conditioner in my GTR seemed to be really good, as in description of it says HIGH QUALITY and LONG TERM USAGE and guess what, it broke after 1 year of use. I couldn't get in touch with my service as it was quarantine, yet I got lucky as I was near www.socool.sg guys that quickly came where I have stopped and repaired it. The funny part is that they are not car specialists, yet they are that loyal that they didn't hesitate to help me lol.
 

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since it's so close to Halloween, I'm bringing this up from the dead, do you think that putting pressure in the radiator with a radiator pressure tester and letting out the air by loosening a hose would work?
 

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You shall definitely replace it after 3 years of use, and considering it's 5 years for you.. run to service. My air conditioner in my GTR seemed to be really good, as in description of it says HIGH QUALITY and LONG TERM USAGE and guess what, it broke after 1 year of use. I couldn't get in touch with my service as it was quarantine, yet I got lucky as I was near www.socool.sg guys that quickly came where I have stopped and repaired it. The funny part is that they are not car specialists, yet they are that loyal that they didn't hesitate to help me lol.
Hey kingsizexx! Ive had a similar experience too, my A/C always broke at the wrong timings, and ive always needed quick repairs. My friends introduced me to a really efficient aircon installation service and ive gotta say they really are professional! They handle everything from installation to chemical overhaul to cleaning, do check them out!
 
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