RE: {Chrysler 300} 413 with a/c thermostat

["dplotkin@xxxxxxxxxxxxxxxxxxxxxxxxx" <dplotkin@xxxxxxxxxxxxxxxxxxxxxxxxx>]

Thermostats do not control the top temperature, they merely begin to open at the listed temp. A stuck thermostat can cause overheating, it would happen rather quick too. I would think a 180 degree stat is appropriate for our cars but I'll leave that to critique by those older and wiser. 

 

Overheating at idle and low speeds is usually an air flow matter related to fan shroud placement, radiator support seal, fan blades properly distanced from core, or fan clutch. 

 

Overheating at high speeds is usually water flow issues, collapsed hose, plugged radiator or rusted away pump impeller. 

 

Danny Plotkin

-----Original Message-----
From: "David Dumais" <ddume300@xxxxxxxxx>
Sent: Monday, September 29, 2025 10:52am
To: chrysler-300-club-international@xxxxxxxxxxxxxxxx
Subject: {Chrysler 300} 413 with a/c thermostat

Hey All,

My second car has 413 with a/c

It has a 195 thermostat and runs up to 250*

Should I install a 160?

Dave

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