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Heater is not working?

Tiny
FLORYCHEF
  • MEMBER
  • 2007 SUZUKI XL7
  • 3.6L
  • V6
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
When driving the air blow cold in the packing heater is fine. My mechanic replace the heater core then water pump but still no heater.
Saturday, October 27th, 2018 AT 5:11 PM

6 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,822 POSTS
Hello,

It sounds like you have a temperature blend door actuator that is not working here is a guide to show you the steps and the location for your car is below.

https://www.2carpros.com/articles/replace-blend-door-motor

This guide can help as well.

https://www.2carpros.com/articles/car-heater-not-working

Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is.

Cheers, Ken
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Sunday, October 28th, 2018 AT 6:29 PM
Tiny
LISA DUNCAN
  • MEMBER
  • 1 POST
  • 2007 SUZUKI XL7
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 71,000 MILES
Why is my 2007 Suzuki XL7 heater selector knob not delivering heat where I have selected? And today it started blowing nothing but cold air even though the heater was on. Please help me! It's 14 degrees outside.
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Wednesday, November 25th, 2020 AT 8:33 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,125 POSTS
It sounds like a vacuum issue. Check under the dash for vacuum leaks. If you are lucky, with the engine running, you may hear a hissing sound.
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Wednesday, November 25th, 2020 AT 8:33 AM (Merged)
Tiny
ANGIET1231
  • MEMBER
  • 1 POST
  • 2001 SUZUKI XL7
  • 4WD
  • 110,000 MILES
What causes the heater to blow out cold air when the car is idoling
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Wednesday, November 25th, 2020 AT 8:33 AM (Merged)
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Coolant flow is probably too high, caused by a stuck open thermostat.
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Wednesday, November 25th, 2020 AT 8:33 AM (Merged)
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Low coolant level, stuck open thermostat
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Wednesday, November 25th, 2020 AT 8:33 AM (Merged)

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