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How do you make the heater blow hot air on a 93 mercury topaz?
Darrellb7
first check to make sure the heater hoses from the motor are connected to the heater core ( they will be about 1 to 1 1/2 inches in diameter.if those are connected, then check to make sure that the inline valve in the heater hose is opening when you select the heat mode on the heat controller on the dashboard. if valve is not opening then you may have a vacum leak or electrical problem if the valve is controlled electrical.another problem to check would be the fuse panel for a blown fuse. Just from personal experience if your radiator runs dry the heater wont work either. Keep an eye on your radiator fluid level and make sure you dont have a leak in the coolant system. Other wise you should be able to move the daik from cold to hot (blue-red) select your button setting on the dash board and go. Or it's a bad heater core wich should be in your cash boardm
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∙ 16y ago
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