Problem started a year or more ago and was fairly intermittent, but is worsening. Lately I notice the heat does not blow out as forcefully when the heater is screaming. Could it be the intake air vent for the heater is clogged and if so, where is this located and how do I clean it out? Or is it the heater blower/fan itself?
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Ask Your Question1990 Volvo 740
Question: Why is my heater screaming, sounding like something is stuck or fan is quitting?
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Best Answer
PARTS GUY December 03, 2011, 14:30MasterYou need to replace the blower motor.
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Sinead, December 03, 2011, 15:32ReplyRookieThank you. I appreciate your advice.
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Answer #2
patrick mannion from Greg Solow's Engine Room, December 04, 2011, 01:02Reply
MasterTake down the fan blower first and make sure rodents have not built a nest in the air ducting, check too that the cabin air filter is not totally restricted and blocked but this may not be applicable to an older Volvo.
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