the heat stopped working after the top radiator hose was replaced. what could be the possible reasons?

1997 ACURA TL
210,000 MILES
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LALLEN3224
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Found hole in hose wednesday night, was replaced thursday morning and then only cold air blows out, no heat
Dec 30, 2011 at 4:25 PM
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FIXITMR
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coolant may have air pocket in it. check heater hoses at firewall in and out of core for hot.
Dec 30, 2011 at 4:52 PM
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KHLOW2008
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Try bleeding the cooling system.
Dec 30, 2011 at 8:20 PM
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