Why is my heater screaming, sounding like something is stuck or fan is quitting?

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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?

Sinead in Mountlake Terrace WA

Dec 3, 2011

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RepairPal Certified shops can diagnose and repair your 1990 Volvo 740. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Popular Answer

Why is my heater screaming, sounding like something is stuck or fan is quitting?

What is your question?

Sinead in Mountlake Terrace WA

Dec 3, 2011

2 Replies

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PARTS GUYon Dec 3, 2011

You need to replace the blower motor.

Sineadon Dec 3, 2011

Thank you. I appreciate your advice.

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patrick mannionon Dec 4, 2011

Take 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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Popular Answer

What are the best Volvo repair shops?

RepairPal Certified shops can diagnose and repair your 1990 Volvo 740. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.