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 |
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