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2006 Maxima 3.5SL

Sometimes the heat works (vents or defrost), and sometimes it doesn't... and by 'work', I mean blows hot air or cold air. It may begin blowing hot, then change to cold, or vice versa. Lots of experiments but really nothing that would point to a conditional issue... tried turning off for a few minutes, then back... going from defrost to regular... etc...

Wondering if it could be a thermostat...?

Any suggestions would be greatly appreciated.
 

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Event Horizon Chaser
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2006 Maxima 3.5SL

Sometimes the heat works (vents or defrost), and sometimes it doesn't... and by 'work', I mean blows hot air or cold air. It may begin blowing hot, then change to cold, or vice versa. Lots of experiments but really nothing that would point to a conditional issue... tried turning off for a few minutes, then back... going from defrost to regular... etc...

Wondering if it could be a thermostat...?

Any suggestions would be greatly appreciated.
most likely due to air pockets in your cooling system. have the system bleed first before looking at other causes..
 
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