1995 Gmc Van Heater Working Great Until Last Night Now Only Blows Cold Air

1995 GMC VAN
195,000 MILES
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BOB SCOTT
  • MEMBER
  • 1 POST
My heater was working great until last night and now only blows cold air, I topped up the water and I,m not sure how much antifreeze is in it ?
Dec 16, 2012 at 2:34 PM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
are the heater hoses hot???? check this.

is it overheating?????

when was the coolant changed last????

Roy
Dec 16, 2012 at 2:37 PM
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