Low coolant level sensor,

Bernie Benz b.benz at charter.net
Tue Aug 12 16:51:31 PDT 2008

As I recall, the interface between the wet float unit and the dry  
switch is magnetic. That’s the extent of my long term memory. My name  
is, “duh”!


On Aug 12, 2008, at 4:37 PM, Kneale Brownson wrote:

> Isn't the sending unit cast in place when the tank is formed?  How  
> are you fixing it?
> Regards, Kneale
> Bernie Benz <b.benz at charter.net> wrote:
> Buy a replacement reservoir! Why would anyone do that, if it’s only  
> the sending float switch? Who needs a low level warning anyway, if  
> the temp gauge works? I’m just trying to avoid disconnecting and  
> removing the reservoir to fix the level sensor. BTDT many many  
> years ago, but don’t remember the details (old fart’s disease).
> The other recent problem was the over pressure relief valve in the  
> cap. The valve assy is a snap together fit on the back of the valve  
> plate which no longer holds its snap fit under pressure. A shim  
> between the valve assy and the cap top prevents it from ever  
> popping off again. See, no new cap needed!
> Bernie
> On Aug 12, 2008, at 3:24 PM, Kneale Brownson wrote:
>> I have a recollection of having to dismount the reservoir and  
>> upend it to figure out how to get the connector off.  No  
>> recollection of what was required to actually do the  
>> disconnection.  In my experience and from what I've read on  
>> Audifans over the years, an inappropriate continuous low coolant  
>> signal most commonly is the sending unit inside the reservoir,  
>> which ain't fixable.  But, of course, you may come up with a way  
>> to avoid buying a replacement reservoir.
>> Regards, Kneale
>> Bernie Benz <b.benz at charter.net> wrote:
>> Anyone remember how the connector to the sensor disconnects? It will
>> freely turn about 180 deg. but won’t just pull off or turn further.
>> Don’t want to break it. Low coolant level indicator is on  
>> continuously.
>> Bernie
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