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2010 Nissan Other Heater core on Qashqai

Tiny
JJDB
  • MEMBER
  • 2010 NISSAN
  • 2.0L
  • 4 CYL
  • FWD
  • MANUAL
  • 15,500 MILES
The heater core in the cabin stays hot even if the air conditioning is set to minimum for a long time. It is very hot in our part of South Africa (35 deg Celsius). Must the water flow stop through the heater core when the air conditioning is switched on. If not, where can the problem lie?

Your help is much appreciated.
Thank you in advance.
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Tuesday, October 28th, 2014 AT 9:53 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
There is a blend air door that opens and closes based on what temp you want. The coolant through the heater core doesn't stop. If you get heat when the AC is on, the blend door must be stuck. It is located under the dash near the heater core box. Check to see if it is operational.
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Wednesday, October 29th, 2014 AT 5:40 AM
Tiny
JJDB
  • MEMBER
  • 3 POSTS
Thank you very much for your speedy reply. Now I can enjoy my Qashqai without any worries. I thought that there was a problem with the heater.

Regards
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Wednesday, October 29th, 2014 AT 11:18 PM

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