My car has been running hot after every drive. Thought it was because of a small leak from the coolant reservoir, but after i replaced it, it overheated again but this time completely blowing the new coolant reservoir. Does anyone know what would cause this to happen? Have a few ides, people have said radiator fan, thermostat, worst case engine head blown, or even coolant lining issues. Not sure, but i dont want to take it to anyone that doesnt know for sure because i cant find any Saab specialIst in my area. Looking for any advice.
What makes this problem better or worse?
Driving, or running engine for extended periods of time
RepairPal Certified shops can diagnose and repair your 2008 Saab 9-3. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Cooling system concerns are not usually "specialist" related. Your engine has a thermostat that meters coolant flow, and a water pump that circulates the coolant. It has a heater core and a radiator that perform different functions - but often have air blowing through them for cooling needs. The reservoir tank holds a fluctuating amount of coolant.
When you open the pressurized cooling system, you invite air in. If you have invited air in, it could be causing simulated overheating. Purge air out of your cooling system before doing anything else.
Further, testing may be required hands on.
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