[Chrysler300] Chrysler300] 1962 300 - Cooling Question

[yelof@xxxxxxxx]

I suspect that the thermostat is not opening smoothly and may be making
only one move when it gets hot enough.  It then has opened enough to
allow gradual cooling to near its usual reading.  I also suspect it never
totally closes.  I have seen this behavior in the past.

MN Marshall



On Thu, 17 Feb 2011 08:11:25 -0800 (PST) Matt Allyn
<allynentertainment@xxxxxxxxx> writes:
> Here's a constant temporary issue I am having....
> 
> When car is cold, from sitting all night...
> It starts up fine, I warm it up for 2 minutes and then start to 
> drive.
> 
> About 5 minutes into the drive the temperature guage begins it s 
> ascent to it's 
> normal spot; just about a quarter of the way up from the dead cold 
> position.  
> Then the needle keeps going, all the way to the HOT position, where 
> it sits for 
> a minute...and then it creeps back down to the quarter mark.
> 
> Here is what I have done to date:
> - Pulled the NEWER radiator and had it flushed
> - Flushed the block out twice
> - Water Pump is fairly new on the 45,000, new everything, motor
> - Newer Hoses are not collapsing
> - Heater core is clean and works
> - I have "burped" the radiator
> 
> All I can think of is that the Thermostat is taking too long to 
> fully open and 
> needs to be replaced??
> Who's with me?
> (Just a pain in having to lift up that A/C Compressor to make that 
> change.)
> Thanks!
> 
> Matt Allyn
> 
> 
>       
> 
> [Non-text portions of this message have been removed]
> 
> 
> 
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