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Old 01-12-2018, 06:17 AM   #2
Kelly@PCMofNC

 
Drives: 2010 RS/SS
Join Date: Dec 2010
Location: Mooresville, NC
Posts: 959
With the temp jumping up so fast it makes me think there is an air pocket in the cooling system. With the car off and cool, pull the coolant line off of the top of the motor (the little bleeder by the head) and fill through the radiator until straight fluid comes out there. Most likely you will see a lot of air rush out first.
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