Question about 2002 Chevrolet Blazer
You still have air trapped in your cooling system, turn the heat to full and remove the radiator cap with engine running, Make sure you remove the radiator cap before you start the engine, once the engine has reached it's operating temperature and there is heat coming from the vents. Top off radiator till full and place the radiator cap back on with engine still running only on the first click, make sure the coolant over flow tank is at proper level and go for a test drive with the heat still on hottest setting. (roll the windows down).
Ofter test drive 5 min to 10min, with engine still running close off the radiator cap to the second click. Tank note that the cap may be to hot so use a rag and caution not to burn your self.
This should get any air in the cooling system out, any air in the system may cause the system to burst since the air will try to escape any week spot. That's why we only close the radiator cap to the first click to prevent any additional pressure that can cause a leak from the hot air.
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Posted on May 13, 2010
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Posted on Jan 02, 2017
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