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Heater not working?

Tiny
MICHAELWILLIAMS
  • MEMBER
  • 2 POSTS
  • 2002 CHEVROLET S-10
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 115,000 MILES
My heater blows cold. And are the hoses hooked up correctly, there are two going into the top of the water pump. One short and one long. Which goes where
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Friday, November 27th, 2020 AT 9:36 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,645 POSTS
Hi:
I have a question. With the engine running and the heater on, do both hoses get hot?
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Friday, November 27th, 2020 AT 9:36 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Sorry this is a new system and have to get used to it lol. After your engine is warmed up check to make sureboth hoses areabout teh same temperature by feel. If one is cold then you can take your home water hose and hook it up and flush the heater core in both directions. You might have some junk in there. If bothhoses don't feel warm then you may need a new thermostat as it may not be getting up to temp.
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Friday, November 27th, 2020 AT 9:36 AM (Merged)
Tiny
MICHAELWILLIAMS
  • MEMBER
  • 2 POSTS
Not really.
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Friday, November 27th, 2020 AT 9:36 AM (Merged)

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