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I had the same issue, it’s a problem that the pilot shares with the passport. 2 hours to diagnose, 1 hour to fix. It was a stupid evaporator gasket. Air conditioning works great now “ no big deal”

 

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Thanks for the info, I will mention about the evaporator gasket to service writer when I make appointment for repair.

?

 

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I have noticed Passport A/C blows fine, but does not seem to cool as well as prior vehicles. Would a faulty evaporator gasket cause the problem?

This spring before I noticed that I had no air conditioner and it wasn’t cooling, there was a constant “bubbling noise” when the climate control wasn’t calling for heat, fan wasn’t running. Also the defroster was working as well as it should.
Our Passports are so quite that the “bubbling” noise can be annoying.

 

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Since I got the evaporator gasket replaced, the climate control works great, no bubbling noise!

 

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We have not heard a bubbling noise. Hoping it’s because running in Eco mode.

The noise won’t disappear because that Is air the in rushing around in your evaporator. When you lose refrigerant, air will rush in to take its place. “bubbling noise” is just that, air bubbles mixed with refrigerants.