Re: [Chrysler300] Water Temp and engine bay heat issues

["Dave Schwandt" <finsruskw@xxxxxxxxxxxxxxx>]

Just got new NAPA hoses for the F a couple of weeks ago, and no spring in 
the lower one.

Dave Schwandt

----- Original Message ----- 
From: "John Mc Adams" <clafong@xxxxxxxxxxxxx>
To: <Chrysler300@xxxxxxxxxxxxxxx>
Sent: Wednesday, June 24, 2009 12:13 PM
Subject: RE: [Chrysler300] Water Temp and engine bay heat issues


> To all:
>
>
>
> Regarding all engine high temperature problems, I have not yet noticed any
> mention of the lower radiator hose.  I have heard over the years that
> particularly if your water pump is a high output model, sometimes at 
> higher
> rpm's the lower hose (that returns the radiator water to the engine - also
> called the suction hose) can collapse, obviously causing a major 
> restriction
> in water flow.  That is why in the past, some water hoses used to have 
> coil
> springs inside to prevent or at least reduce the possibility of this
> happening.  This phenomenon is basically impossible to detect while 
> driving
> down the highway.
>
>
>
> Now I am not saying that this is happening on current hoses, and certainly
> not at lower rpm's like stuck in traffic etc. but if you are having heat
> problems at freeway speeds, install one of those coiled springs in the 
> lower
> hose.  It just might help.  The guy at the parts house just stares blankly
> at me when I ask for one of these but he gladly let me look through all of
> his hoses until I found one that fit.
>
>
>
> Also, if you are having overheating problems, or maybe just "think" you 
> are
> having overheating problems.  How accurate is your temp gauge on the dash
> and the sensor that runs it?  What does it mean when the needle is 
> pointing
> before, at, or past the "P"?  Do you keep on going up that long hill until
> the engine starts to ping like mad, or make worse noises?  I carry one of
> those infrared heat detectors that you point and shoot in the glove box,
> right next to the tire pressure gauge.  When the temperature gauge on the
> dash indicates a possible problem, I just pull over, quickly raise the 
> hood
> and point the IR detector at various parts of the engine compartment and 
> the
> upper and lower parts of the radiator (watch out for that moving fan and
> belts) to get a better idea of what is really going on under there.
>
>
>
> Lastly, have your radiator cap pressure tested or just buy a new one. 
> Check
> the fan belts for proper tension and condition.  If you suspect the
> thermostat is not working properly, take it out and drop it into a pot of
> water.  Gradually increase the temp of the water while measuring the water
> temp to see if it opens at about the proper temperature and that it opens
> fully.  Don't forget to use a fresh gasket when re-installing the
> thermostat.  And if you have A/C (at least on my '62 300) have fun
> re-installing the A/C compressor that is in the way of that second bolt on
> the thermostat housing.  That is one of my biggest complaints of a stupid
> design by Mopar.  Every time I take off the A/C compressor and/or 
> thermostat
> housing I also replace the temperature sensor which is also conveniently
> hidden underneath that A/C compressor.
>
>
>
>
>
> Big John Mc Adams
>
> (In SoCal)
>
>
>
>
> E-mail message checked by Spyware Doctor (6.0.1.441)
> Database version: 6.12680
> http://www.pctools.com/spyware-doctor-antivirus/
> <http://www.pctools.com/en/spyware-doctor-antivirus/>
>
>
>
> [Non-text portions of this message have been removed]
>
>
>
> ------------------------------------
>
> To send a message to this group, send an email to:
> Chrysler300@xxxxxxxxxxxxxxx
>
> For list server instructions, go to 
> http://www.chrysler300club.com/yahoolist/inst.htm
>
> For archives go to http://www.forwardlook.net/300-archive/Yahoo! Groups 
> Links
>
>
>
> 



------------------------------------

To send a message to this group, send an email to:
Chrysler300@xxxxxxxxxxxxxxx

For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm

For archives go to http://www.forwardlook.net/300-archive/Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/Chrysler300/

<*> Your email settings:
    Individual Email | Traditional

<*> To change settings online go to:
    http://groups.yahoo.com/group/Chrysler300/join
    (Yahoo! ID required)

<*> To change settings via email:
    mailto:Chrysler300-digest@xxxxxxxxxxxxxxx 
    mailto:Chrysler300-fullfeatured@xxxxxxxxxxxxxxx

<*> To unsubscribe from this group, send an email to:
    Chrysler300-unsubscribe@xxxxxxxxxxxxxxx

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/