My interior dash A/C, hi/low knob turns but no longer changes the speed of the air flow. The other two knobs (direction of flow and temperature) work just fine. any help?

Asked by Sep 06, 2015 at 06:55 PM about the 2010 Toyota Corolla S

Question type: Maintenance & Repair

Do I need to get a replacement part
for that knob? And if so, what is it?
Thanks!

8 Answers

43,815

Possibly, but I would check and see if there is a blower motor resistor first, they cause the same problem. I don't know Toyota well, but do know about blower motor systems.

1 out of 1 people think this is helpful.
146,525

Yes, it does have a resistor. The next window will show a link that is ridiculously long but will show one of the many places to buy one

146,525

https://www.google.com/shopping/product/3502757829934180417?q=2010+Toyota+Corolla+HVAC+blower+motor+resistor&biw=1920&bih=940&dpr=1&prds=paur:ClkAsKraX2y3oiTcpfpASOPX93pFZffEcr7sl_x4F2fPGTk8-OeZPCAgIjENsJm-Uu4neB6kBM86c8kS0rGFEKk_Ajxy9xTnRAG5XGXpGa0nsPCSjBK7Umvk0xIZAFPVH701mehtrgg023L-P425SU72zTf4Gw&ved=0CAUQpitqFQoTCLfFyreY5ccCFciYgAod2wIC1Q&ei=1abtVfeGLMixggTbhYioDQ

146,525

https://www.youtube.com/watch?v=oN00qfrYOzM

146,525

http://www.oreillyauto.com/site/c/search/Blower+Motor+Resistor/02627/C0039.oap?model=Corolla&vi=1444170&year=2010&make=Toyota

146,525

Generic information... not Corolla specific but informative http://www.samarins.com/glossary/blower-motor-resistor.html

146,525

I have been looking everywhere for Corolla specific installation instructions but no luck - This is Tacoma, should be same or very similar - https://www.tacomaworld.com/threads/replacement-of-hvac-blower-motor-resistor.8310/

146,525

Good morning Rowefast. It's really similar to most any car.

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