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1992 Mazda 626 how to flush heater core without a garden ho

Tiny
ANDREWSKYWORKER
  • MEMBER
  • 1992 MAZDA 626
  • 4 CYL
  • FWD
  • MANUAL
  • 25,000 MILES
Hi, does anyone know how to make get more heat in my car? I have change car engine thermostat but it still need more heat, there is only hot in one of heater core hose so according to this site Guide there has some block or air in my heater core so please show me the best way to flush my heater system?
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Saturday, January 16th, 2010 AT 6:08 PM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Did you check for a heater control valve if not check if it has one and start there if not-backflush the heater core both ways-get a garden hose and do the job right-if it continues -replace the heater core
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Saturday, January 16th, 2010 AT 6:20 PM
Tiny
ANDREWSKYWORKER
  • MEMBER
  • 6 POSTS
Hello sir, how to check heater control valve and where is locate, I would glad if you show me with a picture, I am not mechanical man so I don't understand clearly what you said, I have found two hoses which go to heater core and I have test one is hot, the other is not hot but I get hot in my car but is not enough heat if weather are higher than -10 degree
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Sunday, January 17th, 2010 AT 7:21 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do you have a repair manual if so check if it has a heater control valve something similar like below.
Test it if it works replace the heater core


https://www.2carpros.com/forum/automotive_pictures/12900_heater_control_valve_1.jpg

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Sunday, January 17th, 2010 AT 12:38 PM
Tiny
ANDREWSKYWORKER
  • MEMBER
  • 6 POSTS
Hello
please can you tell me where is locate heater control valve in mazda626 model 1992
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Tuesday, January 4th, 2011 AT 5:47 PM

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