Heater is not working?

2007 SUZUKI XL7
130,000 MILES • 3.6L • V6 • 4WD • AUTOMATIC
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FLORYCHEF
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  • 1 POST
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.
Oct 27, 2018 at 5:11 PM
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STRAILER
  • CAR REPAIR CONTRIBUTOR
  • 54,354 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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Oct 28, 2018 at 6:29 PM
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LISA DUNCAN
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  • 1 POST
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.
Nov 25, 2020 at 8:33 AM (Merged)
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JACOBANDNICKOLAS
  • CAR REPAIR CONTRIBUTOR
  • 110,190 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.
Nov 25, 2020 at 8:33 AM (Merged)
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ANGIET1231
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  • 1 POST
what causes the heater to blow out cold air when the car is idoling
Nov 25, 2020 at 8:33 AM (Merged)
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BLUELIGHTNIN6
  • CAR REPAIR CONTRIBUTOR
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coolant flow is probably too high, caused by a stuck open thermostat.
Nov 25, 2020 at 8:33 AM (Merged)
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BMRFIXIT
  • CAR REPAIR CONTRIBUTOR
  • 19,053 POSTS
Low coolant level ,stuck open thermostat
Nov 25, 2020 at 8:33 AM (Merged)
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