2011 Dodge Caravan General Question

The fan that blows the heat/defrost has stopped working when on the lower speeds. If I turn it all the way up to the highest speed it will blow but really hard. How can this happen? Is it a tough fix? Thanks, Carol

Posted Jan 28th by Carol Lessard the owner of a Dodge Caravan dodge, grand caravan, heat, defrost, air, hvac

Answers from the Automotive Experts

Carol, By your description it sounds as if your blow motor controls may be faulty! I would have them checked to verify. This can be a simple relay.

⟩ Answered on Jan 29th, 2011 by Amanda J. Pierce, MBA "AJ", Certified Mechanic at VIGOR Alaska Industrial Shipyard

Hi Carol, The heater control itself usually causes this trouble. It is also possible the door that allows the heat to come in is broken. If there is not a lot of force (air) pushing on it, it does not open. WIth a lot of force, it does push through. Start by having the control unit checked. I believe this will be an easy repair. Mechanically yours, Audra www.womenAUTOknow.com

⟩ Answered on Jan 29th, 2011 by Audra Fordin, Owner at Great Bear Auto Shop

It is probably a control module that has gone bad. You need to take it to a mechanc.

⟩ Answered on Jan 29th, 2011 by Barb Petrey, President - DBK Enterprises Inc at Jiffy Lube

Hello Carol, This problem may have two causes--the first--and most likely--is a failed resistor in the heater fan circuit. The other possible cause is a bad heater fan switch or wiring. Hope this helps--Super Girls Auto

⟩ Answered on Jan 29th, 2011 by Laurie Sarno, Co-Owner at Super Girls Auto

Dear Carol, You need to replace your fan relay. This can be a fairly easy job if you know where it's located. Many times it's inside the vehicle on the front passenger side, but it varies from vehicle to vehicle. If you can get your hands on a repair manual for your vehicle this may be something you can do. Good luck. Lori Johnson www.ladiesstartyourengines.com

⟩ Answered on Jan 29th, 2011 by Lori Johnson, Owner and Instructor at Ladies Start Your Engines

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