1997 Cadillac Catera my heater blows cold air

[quote:b44c91040a="tomj"]Heater problem
1997 Cadillac Catera 6 cyl Two Wheel Drive Automatic 99,000 miles
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every time i ask a question i never get an answer just a request for donation. whats up? my question is no matter what temperature i set my heater blow cold air.[/quote:b44c91040a]

do you have any coolant leaks? ck the heater control valve, see if the vaccume line is off or broken, its behind the intake by the firewall, replace it if all ok