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Heater only works on Max setting

Tiny
SUDARSHAN RENGAN
  • MEMBER
  • 2006 SUZUKI SWIFT
  • 1.2L
  • 4 CYL
  • 2WD
  • MANUAL
  • 62,000 MILES
My car has an automatic climate control system. The heater works only when I set the temperature to 32 and if I bring it down to 31.5 the blower fan speed reduces, but the heater does not work. In my opinion the blower works perfectly at all settings but the heater works only in the max settings. Can you please help with this issue?
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Monday, November 28th, 2016 AT 4:22 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,883 POSTS
Hey Sudarshan,

It sounds like the blower motor resistor is bad and needs replacement.

Here is a guide that will help you.

https://www.2carpros.com/articles/blower-fan-motor-works-on-high-speed-only

At the bottom of the guide.

Please let us know happens so it will help others.

Best, Ken
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Thursday, December 1st, 2016 AT 10:14 AM

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