If it senses the level, why call it a temperature probe.
  And why use the term switch to describe two simple metal prongs.

Larry A.

On Sun, Jan 8, 2012 at 8:21 PM, Tom Torrella <ttorrella4@comcast.net> wrote:
> The expansion tank. Next to the pressure cap is a coolant level switch (improperly referee as 'a probe'). See examples @ BusDepot though they don't list the switch. After I had it replaced the problem was solved.
>
>
> Expansion tank:
> http://www.busdepot.com/details.jsp?partnumber=025121403A
>
> Pressure cap:
> http://www.busdepot.com/details.jsp?partnumber=025121321B
>
>
>> What tank has a temp probe???
>>
>> Larry A.
>>
>>
>> On Sun, Jan 8, 2012 at 9:02 AM, Tom Torrella <ttorrella4@comcast.net> wrote:
>>> My 1.9 had same intermittent issue. The probe was replace solving the problem.
>>>
>>> Possibly two issues:
>>> Air in reserve tank off the water pump.
>>> Defective temp probe in same tank.
>>> Also check condition of pressure cap - tight? �leaking?
>>>
>>> TomT