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2012 R/T Temperature in Summer

2K views 7 replies 3 participants last post by  BeRichH 
#1 · (Edited)
Any 3rd gen onwners in HOT climates? I notice when I leave the A/C blasting for evening auto starts, the temp hand goes a little past half (about 5/8) and the fans are blowing (at idle). Is this typical?
 
#2 ·
I think that's OK.

The radiator fan has to run if the A/C is cooling..
 
#5 ·
The plot thickens.........Never had these two symptoms at the same time. Overheating and heat blowing out cold (I thought blockage or bad heater core).
I was about to pull over before the temp got to high on the way to work this morning. All of a sudden the heat (which had been on for a few minutes but blowing cold) started blowing hot. The temp went down and a heard noise down low behind the dash (Where I'm used to heater cores being but I haven't checked exactly where on the Durango).

Hopefully is only the thermostat. I'll be able to diagnose when I get off work.
 
#6 ·
Check the coolant level in the radiator.

A leak in the system can leave the cooling system half full while the reservoir level looks normal.
 
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