2000 Chevy Silverado need help

2000 CHEVROLET SILVERADO
109,000 MILES • V8 • 4WD • AUTOMATIC
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GOUTZLER
  • MEMBER
  • 1 POST
i have replaced the thermostat and radiator cap, i only get warm air out of the front vents, when it goes to defrost and floor it is cool. the upper radiator hose is hot but not the lower, the heater core hoses are the same one is hot one is not, what should i try next and how do you do it?
Oct 29, 2008 at 4:14 PM
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DENNYP
  • ✓ASE Certified Mechanic
  • 1,824 POSTS
  • ASE Certified Mechanic
Both heater hoses should get hot. If not, you have a restricted heater core.
Oct 31, 2008 at 9:20 PM
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