Heater problems

2006 SUZUKI VITARA
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TABITHASKY
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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
Dec 3, 2008 at 9:20 AM
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STRAILER
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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
Sep 12, 2017 at 1:19 PM
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TRACTORMANBELL
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The heater may be leaking, check coolant level, pressure test coolant system if level is low
Sep 13, 2017 at 10:36 AM (Merged)
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KHLOW2008
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https://www.2carpros.com/articles/car-heater-not-working

Check above link for more information.
Sep 13, 2017 at 10:36 AM (Merged)
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JOHN AND CHRIS
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Heater problem
2001 Suzuki Grand Vitara 6 cyl Four Wheel Drive Automatic 120223 miles

my grand vitara does not blow very good heat.
Sep 13, 2017 at 10:36 AM (Merged)
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DAVE H
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replace thermostat and flush cooling system
Sep 13, 2017 at 10:36 AM (Merged)