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Bleeding the cooling system

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Old 06-05-2009, 11:19 AM   #1
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Default Bleeding the cooling system

When I bleed the cooling system on my 93 accord are these the steps I should follow.
1. fill radiator to top with fluid
2. replace rad cap and start engine
3. open (or totally take out not sure which) bleed screw
4. wait until a steady stream of coolant seeps out of bleed opening
5. tighten screw and fill radiator when cool
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Old 06-05-2009, 04:13 PM   #2
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Default Re: Bleeding the cooling system

Dont have the car running with the bleeder loose. If the thermostat is closed and the car is cold, air will get sucked in at the bleeder.
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Old 06-05-2009, 04:41 PM   #3
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Default Re: Bleeding the cooling system

You are also supposed to run the engine with the radiator cap off until the cooling fan comes on at least twice. Makes a lot of mess, but you will see tons of air coming out.

Don't forget to set the heater temp dial to max before you start, too.
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Old 06-05-2009, 09:37 PM   #4
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Default Re: Bleeding the cooling system

anyone know if this applies to all 90-93 accord models?
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Old 11-08-2009, 04:34 AM   #5
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Default Re: Bleeding the cooling system

Where is the bleed screw????
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Old 11-08-2009, 07:19 AM   #6
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Default Re: Bleeding the cooling system

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Originally Posted by madracer View Post
Where is the bleed screw????
It is usually shown in your owner's manual. But if you don't have it, post the year of the car and model (e.g. 19XX Accord, Civic) or google.
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Old 08-11-2010, 09:22 PM   #7
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Icon2 Re: Bleeding the cooling system

What is the torque spec for the bleeder screw?

Thanks.
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Old 08-11-2010, 09:25 PM   #8
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Default Re: Bleeding the cooling system

Doesn't need to be tight, you'll know when it's tight enough 'cause it'll stop spewing coolant. When you do bleed, make sure you to turn your heater blower on full blast.

I'm gonna find my service manual and get the right specs.
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Old 08-11-2010, 09:27 PM   #9
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Default Re: Bleeding the cooling system

7lb-ft dude
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Old 08-11-2010, 09:29 PM   #10
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Default Re: Bleeding the cooling system

I just found the drain bolt for draining the block it's just to the left of the oil filter, 36lb-ft
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Old 08-11-2010, 10:03 PM   #11
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Icon2 Re: Bleeding the cooling system

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Originally Posted by holmesnmanny View Post
I just found the drain bolt for draining the block it's just to the left of the oil filter, 36lb-ft
Is it under with the oil filter or on top in the engine bay? And when do you need to drain the block?
Thanks.
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Old 08-11-2010, 11:37 PM   #12
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Default Re: Bleeding the cooling system

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Originally Posted by Bad_dude View Post
Is it under with the oil filter or on top in the engine bay? And when do you need to drain the block?
Thanks.
to the left of it, you would need to if you remove the thermostat housing when doing the intake manifold as we're talking about in that other thread and when taking out the water pump, head off, stuff like that.

Last edited by holmesnmanny; 08-11-2010 at 11:58 PM.
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1992, 2002, 93, accord, air, bleed, bleeding, blleding, capacity, coolant, cooling, fit, honda, prelude, radiator, system

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