Question about 1997 Saturn SC

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I have just replaced the water pump and thermostat for my 1997 Saturn SC2. I was running the engine (heater on full heat) - the heater was putting out heat and the coolant level was at it's full mark, but the coolant level lights (there are 2 of them) started to blink. The coolant temperature continued to rise very slowly, and I stopped the engine before the fan had a chance to kick in. I think I have a faulty thermostat, but was wondering why my coolant level lights were blinking when the coolant expansion tank was it's normal full mark?

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It sounds as if you may have an air pocket in the system, alot of your saturn and gm vehicles have air bleed on or near the thermostat housing. As you are filling the system you will need to have this bleeder open until a steady stream of coolant comes out.

Posted on Oct 08, 2009

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Did you add coolant after you drove it a little bit? the water pump will **** alot of coolant out of the radiator when you initially fire it up. Check your level again.

Posted on Oct 07, 2009

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could be waterpump?
i was going to say rad fan,but if so heater would be hot.
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water pump?
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