Email alerts helped me out, I didn’t even need the search bar for this one. Thanks for the insight! I just cycled out my (mysteriously old) coolant after I was hitting critical heat while idling at a red light. I get to this temp at my worst now; I might need a new radiator once it gets past that though, but I’ll do some forum thread hunting first of course.
my car when running in a free road keeps the gauge level at 1/4, so I also understand that the engine is working in low temperature what is bad for the performance of the engine. Should I replace the thermostate? Which one, the one in the radiator or the one in the engine, located untherneath the distributor.
The thermostat is located at the top of the head.... not in the radiator or under the distributor. I wouldn't entirely trust the gauge - they aren't that accurate - but since a thermostat is only $15 and takes 30 minutes to change, if you are unsure it's never a bad idea.
So what the hell is a sensor that is underneath the distributor, I think there is a plug there that I found released then when I plug that plug to its place the gauge of temperature starts working. Also I live in Sweden but my car is in Spain using it on vacation, do I need to order an specific thermostat for my climate region or not. I understand that Saab have different specifications regarding the market.
Also a naive question, the water pump is always working recirculating the coolant or only is working when the thermostat sends a signal that the engine is too hot?