How do you backflush a heater core?

1999 MAZDA MILLENIA
119,000 MILES
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CRAIG66
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  • 1 POST
Keep hearing a gurgling noise be hind dash
Nov 15, 2011 at 1:30 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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