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2002 Mazda Protege 5 2.2L

Tiny
TITO CANTU
  • MEMBER
  • 2002 MAZDA PROTEGE
Heater does not blow hot air. The teperature switch inside and heater core have been checked and radiator fluid is fine. Thermostat checked also. All is fine. Are there any censors that would cause it not to heat?
Friday, January 21st, 2011 AT 1:37 AM

3 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Are the in and out hoses from the heater core under hood both hot when engine is up to temp?
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Friday, January 21st, 2011 AT 1:45 AM
Tiny
TITO CANTU
  • MEMBER
  • 2 POSTS
Thanks for the fast response. Yes, I already checked all that. Any other suggestions?
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Friday, January 21st, 2011 AT 1:55 AM
Tiny
FIXITMR
  • MECHANIC
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Must be a blend door problem in the hvac system. You have hot water to core, blower is blowing, nothing left but blend door. What does the hot/cold control go to?
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Friday, January 21st, 2011 AT 2:05 AM

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