Pontiac Problems? Ask a Mechanic for Answers ASAP
Hello I will help,
The coolant surge tank is the reservoir that you add to. On a coldm engien remove the top and fill with DexCool 50/50 mix to the full cold line on the reservoir.
#2 in the diagram here (click)
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Yes, just below the seam in the tank.
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The level sensor may have oil on it. Is there an oil film on top of the coolant?
The level sensor connector is at #9 in the diagram I posted, bottom of tank. Unplug it and install a paperclip in the connector to see if the warning goes out. If it does you either have oil contamination from a leak or something was added to the cooling system or the sensor has failed and you need to replace the tank.
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Have you had a chance to check this out?
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