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Q: coolant-added two times in 2 months car temp gauge normal

on 2006 Chevrolet Impala SS

car is running well-starts good
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Pressure test the cooling system for leaks. If you don't see a leak at about 16-20 PSI, check for one at lower pressure too (about 7-11 PSI). The 5.3L V-8's have had a common water pump leak occurring. Just something to check.
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