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Nissan heater blows out cold air

Tiny
RANDY77
  • MEMBER
  • 2001 NISSAN MAXIMA
  • 11,000 MILES
Nissan heater blows out cold air
Wednesday, December 7th, 2011 AT 4:16 AM

6 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
The first thing I would check is if both heater hoses going to the heater core are getting really hot when the engine is fully warmed up.
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Wednesday, December 7th, 2011 AT 4:23 AM
Tiny
RANDY77
  • MEMBER
  • 3 POSTS
Sorry where's the heater core and heater hose located
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Wednesday, December 7th, 2011 AT 4:31 AM
Tiny
SATURNTECH9
  • MECHANIC
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Base of the windshield follow that down towards the middle you will find two hoses going to the heater core.
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Wednesday, December 7th, 2011 AT 4:35 AM
Tiny
RANDY77
  • MEMBER
  • 3 POSTS
If they are cold and not hot what then
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Wednesday, December 7th, 2011 AT 4:40 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
If cold there is no circulation, either a faulty heater tap or a blocked heater core.
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Wednesday, December 7th, 2011 AT 11:23 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
If one is hot blocked restricted heater core if both is hot blend door issue or blend door control issue.
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Wednesday, December 7th, 2011 AT 6:30 PM

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