Temp gauge drops posted by tinner on January 19, 2016 at 04:08 PM
Message
bubble in the coolant system. With car warming up, tires raised a bit on some 2x6s or similar and radiator cap off slowly squeeze the upper radiator hose and continue to do to make sure all air is out of the system.
IMPORTANT-don't remove the radiator cap if the engine is hot. Need a cool engine.