This video shows how to replace the thermostat on a Saab 9-3 model year 2004 and later. Some of the symptoms you may see that are a result of a faulty thermostat are:
Engine overheating (although there can be other reasons for this such as a failed water pump, not enough coolant, blocked coolant passages e.g., in the radiator, etc.)
Engine heating up really slowly to the operating temperature (which is the opposite of the first example and is a result of how the thermostat fails - i.e., open vs closed position). The thermostat failing in this manner is preferred from a design perspective as it does not create a risk of a catastrophic engine damage through overheating that can occur in the first example.
The heat in the cabin takes “forever” to start blowing warm air. This is really a subset of the second example (but can be caused by other issues, such as blocked cabin heater body etc.)
Keywords: Autos & Vehicles, Saab, thermostat, 9-3, Saab 9-3, replace thermostat, How to replace thermostat, Maintenance, Car Maintenance, Car Repair, Repair
Негізгі бет How to replace the thermostat on a Saab 9-3 (2004 and newer)
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