car was blowing cold air, put in new theromstat, now losing antifreez, dont know where, but fill up tank, next day empty, still blowing cold air


Asked by Feb 12, 2016 at 08:53 PM about the 2001 Chevrolet Monte Carlo SS

Question type: Maintenance & Repair

2 Answers


Check your hose connections and t-stat housing gasket. its possible it wont leak until its under pressure while driving. if you didn't have this problem before replacing the Tstat, then its likely this repair didn't go back together as well as you planned

1 of 1 people found this helpful.

The blowing cold air issue could be related to a blend-door actuator failure in the heater box, not necessarily the T-stat

1 of 1 people found this helpful.

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