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no heat from the heater


mikel78
09-27-2006, 04:33 PM
i have a 2000 chevy blazer a the heat works sometimes and sometimes it blows out cold air the thermostat is working fine any advice

BlazerLT
09-27-2006, 06:32 PM
Heater core is plugged or the blending door is stuck or broken

mikel78
09-30-2006, 07:51 AM
back flushed the heater core and it is working now. Thanks for your help.

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