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Heater problems

Tiny
TABITHASKY
  • MEMBER
  • 2006 SUZUKI VITARA
Heater problem 6 cyl Four Wheel Drive Automatic 80,000 miles

My heater works but when I stop the truck at a stop light the heater blows cool air, then I hammer down on the gas and it blows warm air again. I was just wonder what the problem is. I have checked the coolant and it's full
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Wednesday, December 3rd, 2008 AT 9:20 AM

5 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
This sounds like you have a heater core that is plugged, remove both heater hoses and connected a garden hose and turn it on. This should blow any blockage out from it.

Here is a guide that can help as well.

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

Please let us know what you find.

Cheers, Ken
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Tuesday, September 12th, 2017 AT 1:19 PM
Tiny
TRACTORMANBELL
  • MEMBER
  • 4 POSTS
The heater may be leaking, check coolant level, pressure test coolant system if level is low
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Wednesday, September 13th, 2017 AT 10:36 AM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
https://www.2carpros.com/articles/car-heater-not-working

Check above link for more information.
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Wednesday, September 13th, 2017 AT 10:36 AM (Merged)
Tiny
JOHN AND CHRIS
  • MEMBER
  • 1 POST
  • 2001 SUZUKI VITARA
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 120,223 MILES
Heater problem
2001 Suzuki Grand Vitara 6 cyl Four Wheel Drive Automatic 120223 miles

my grand vitara does not blow very good heat.
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Wednesday, September 13th, 2017 AT 10:36 AM (Merged)
Tiny
DAVE H
  • MECHANIC
  • 13,383 POSTS
Replace thermostat and flush cooling system
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Wednesday, September 13th, 2017 AT 10:36 AM (Merged)

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