pnoye2

Couple of suggestions; try cleaning the following...
> Temperature guage sender sensor... right beside the bleeder valve.
> Thermosensor on the bottom right of the radiator.

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289K+ miles on original drive/power trains

 

KAHruzer

I'd agree.
I changed my thermostat last November, flushed and filled, bled. But, since, every other time I drive or so, I'd get a "Low Coolant" on the Info System. I'd end up having to add a pint or so to the overflow bottle. I don't drive much, so a lot of time has passed. I thought I still had a slow leak somewhere and kept looking but found none.

After 5-6 times, it stopped and has been stable since.
Now of the opinion it was air still trapped in the system working out.
Didn't dawn on me until reading this thread that I didn't turn on the heater when I bled it before.

IAC, the temp conditions at the top of the thread are very symptomatic of air in the system.

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Stock 1987 Legend LS Coupe 180k (11/07)