Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

Best way to bleed air from cooling system?

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Old Jun 10, 2005 | 10:09 AM
  #1  
barkwaffle's Avatar
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From: Mount Laurel, New Jersey, New Jersey, usa
Default Best way to bleed air from cooling system?

If pockets of air in radiator/cooling system, how do you get rid of it, or check it?
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Old Jun 10, 2005 | 10:13 AM
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handa's Avatar
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From: Solo
Default Re: Best way to bleed air from cooling system? (barkwaffle)

simply open the radiator cap to let the air out a little. twist the *** on the bottom of the radiator to drain out some fluids that may have air bubbles. refill the radiator. best if the motor is not hot!!!

i notice doing it after the motor is warm is best. that's when you can get the most air out because of all the pressure build up in the system...but again, it's very dangerous if the motor is hot and opening the radiator cap releases hot vapors. do not try unless you know what you are doing.
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Old Jun 10, 2005 | 10:15 AM
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Default Re: Best way to bleed air from cooling system? (handa)

With the car cold, remove the rad cap and fill the radiator to the top with water/coolant.

Start the car. Stay and watch the fluid level.

The car will "burp" out the air. Just keep the fluid levels full. Once the car is up to normal operating temp you should be good to go. Pop the rad cap back on and enjoy.
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Old Jun 10, 2005 | 10:16 AM
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Default Re: Best way to bleed air from cooling system? (Ricey McRicerton)

Shake the car. While filling with cap open
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Old Jun 10, 2005 | 10:59 AM
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From: Athens, TN, USA
Default Re: Best way to bleed air from cooling system? (OoBryan)

I may be wrong, but aren't you supposed to use the little bleed bolt on the thermostat housing?
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Old Jun 10, 2005 | 11:03 AM
  #6  
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Default Re: Best way to bleed air from cooling system? (Hurricane)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Hurricane &raquo;</TD></TR><TR><TD CLASS="quote">I may be wrong, but aren't you supposed to use the little bleed bolt on the thermostat housing?</TD></TR></TABLE>

If its equipped, otherwise, Ricey is spot on with the addition of: put your heater controls to full hot but do not turn the fan on. Coolant needs to circulate through the heater core too.
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Old Jun 10, 2005 | 11:07 AM
  #7  
Ricey McRicerton's Avatar
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Default Re: Best way to bleed air from cooling system? (EE_Chris)

Thanks Chris. I always forget about that.
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