Re: [Chrysler300] 57 heater control valve

["Terry & Andree Hoeman" <tehoema@xxxxxxxxxxxxxx>]

Great description but think Mercury inside the tube.  Need something pretty 
dense to be able to move the valve around.

They really do make a difference but lets face it ---how much will you drive 
it while using the heater??

I still opt for the 10$ NAPA repair kit/replacement rubber seal.  Little 
work and can't be done much more than once I expect since the tabs will soon 
break but worth the try.


----- Original Message ----- 
From: "Bob Jasinski" <rpjasin@xxxxxxxxxxx>
To: "'Lindsey Fuller'" <yesdnil@xxxxxxx>
Cc: "'Chrysler300 list'" <Chrysler300@xxxxxxxxxxxxxxx>
Sent: Monday, January 19, 2009 12:11 PM
Subject: RE: [Chrysler300] 57 heater control valve


> Lindsey,
>
> The bourdon tube is a sealed tube about 1/8" thick and is installed in the
> air stream path.  It is filled with a gas (probably air I'm not sure) that
> applies pressure to a bellows that opens and closes the heater control 
> valve
> like a thermostat in your home.  It is designed to maintain a constant
> temperature within the car's interior based on what the driver sets it at.
> The heater control valve without the tube just maintains a fixed amount of
> coolant flow through the heater core, it is not regulated automatically,
> only by the fixed setting via the temp control handle.
>
> Bob J
>
>
>  _____
>
> From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On
> Behalf Of Lindsey Fuller
> Sent: Monday, January 19, 2009 6:34 AM
> To: Bob Jasinski
> Cc: 'Bill Leahy'; 'Chrysler300 list'
> Subject: Re: [Chrysler300] 57 heater control valve
>
>
>
> Is the boudon tube necessary & what does it do?
>
> Bob Jasinski wrote:
>
>>Bill,
>>
>>There are kits available that include the rubber diaphragm that allow you
> to
>>rebuild the valve. The valve is disassembled by bending the little tabs
>>that hold it together, and basically you clean everything up, put in the
> new
>>diaphragm and reassemble. There are companies that will do this for you
>>also, and that may be a simpler way to go.
>>
>>New valves are also available, (check NAPA) there are some issues with the
>>new valves however. The issues are that they are steel, not brass, and 
>>they
>>do not include the temperature sensing bourdon tube the originals came
> with.
>>I would rebuild the original if it were my car, as I have had both and
>>prefer the original. Others may have a source for the kit and/or 
>>rebuilders
>>but you might try looking in Hemmings or Google search. My car is a 300G 
>>so
>>I can't say for sure the '57s had the bourdon tube, but I'll bet they did.
>>
>>Bob J
>> _____
>>
>>From: Chrysler300@ <mailto:Chrysler300%40yahoogroups.com> yahoogroups.com
> [mailto:Chrysler300@ <mailto:Chrysler300%40yahoogroups.com> 
> yahoogroups.com]
> On
>>Behalf Of Bill Leahy
>>Sent: Thursday, January 15, 2009 3:11 PM
>>To: Chrysler300 list
>>Subject: [Chrysler300] 57 heater control valve
>>
>>
>>
>>one of the many things to improve or still fix in the first place is my
>>heater control valve / it leaks badly.
>>
>>so, i finally have it out of the car and it looks like trouble trouble
>>trouble / rusty and carroded.
>>
>>are they fixable or do ya replace them suckers?
>>
>>or do ya block them off and close one eye?
>>
>>billllllllll in not so sunny kennewick washington
>>
>>
>>
>>
>>
>>
>>[Non-text portions of this message have been removed]
>>
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