how to burp the cooling system.
11-27-02, 06:28 PM
#1
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how to burp the cooling system.
sorry i don't have a service manual. thinking about putting in a fluidyne radiator. any helpful links or advice is appreciated in advance. thanks.
11-27-02, 08:01 PM
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i'm surprised mazda doesn't have a more efficient burping system...
The best thing to do is drive around and squeeze the hoses going to the radiator (top and bottom) and get the air up to the top. Just remember to refill. You could also do the hose behind the throttle body to get air out. Just do a search and there should be tons of info.
Danny
The best thing to do is drive around and squeeze the hoses going to the radiator (top and bottom) and get the air up to the top. Just remember to refill. You could also do the hose behind the throttle body to get air out. Just do a search and there should be tons of info.
Danny
11-27-02, 08:29 PM
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Drain your radiator fill your radiator drive to work (hopefully its not too far) remove top (don't forget to put it back on when you go to lunch) TOP IT OFF go to lunch finish lunch go back to work remove cap TOP IT OFF go home remove cap wake up TOP IT OFF go to work and that should do it 
11-28-02, 03:28 AM
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the method i use is time consuming, but i found that i have to add very little coolant afterwards. just pour coolant in the neck, put on the lid, and squeeze the radiator hose under the airbox. i lift up and release mine to let the coolant flow downwards. repeat this until it won't take anymore coolant. take a good drive to let it circulate, then after it cools down, top it off and you should be good. it's never failed me
11-30-02, 04:29 PM
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thanks for the input. i have heard this also. put in the new radiator, fill it up with coolant and leave the ast cap open. let it idle and you will see bubbles coming up. then refill it then repeat till no more bubbles.
11-30-02, 08:46 PM
#7
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Originally posted by SERIES7
Just be careful cuz when you mix the coolant in with water, you're creating a somewhat soapy liquid. The problem with that is the bubbles will trick you into thinking that there is a sufficient amount of coolant. Once you start driving and some of the bubbles burn off, you're driving with hot air in your radiator. Then...Buzzzzzzzz!!!!!!!!!
I recommend you just flush out your radiator and start over. Go to pep boys or your local auto parts retailer and pick up a filler neck adapter that has a cap attached to it and plug that onto your radiator filler neck.(it looks like a big fat funnel) Then, as soon as you think you've filled up the system, start the car and keep it idling with the heater blasting. Let it idle for about ten to 15 minutes to let the fan come on a few times. You'll see the coolant level in the funnel go down, refill the funnel whenever you see the levels getting lower. You should be good to go when you see the fans come on but the coolant level stays dormant.
I would like to thank Mr. Mild7 and Mr. Duchi for helping me out with this problem I had regarding my coolant system in the past. Thanks guys, now I am able to share what I know with others.
Just be careful cuz when you mix the coolant in with water, you're creating a somewhat soapy liquid. The problem with that is the bubbles will trick you into thinking that there is a sufficient amount of coolant. Once you start driving and some of the bubbles burn off, you're driving with hot air in your radiator. Then...Buzzzzzzzz!!!!!!!!!
I recommend you just flush out your radiator and start over. Go to pep boys or your local auto parts retailer and pick up a filler neck adapter that has a cap attached to it and plug that onto your radiator filler neck.(it looks like a big fat funnel) Then, as soon as you think you've filled up the system, start the car and keep it idling with the heater blasting. Let it idle for about ten to 15 minutes to let the fan come on a few times. You'll see the coolant level in the funnel go down, refill the funnel whenever you see the levels getting lower. You should be good to go when you see the fans come on but the coolant level stays dormant.
I would like to thank Mr. Mild7 and Mr. Duchi for helping me out with this problem I had regarding my coolant system in the past. Thanks guys, now I am able to share what I know with others.
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11-30-02, 09:05 PM
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Go to:
http://www.toolparadise.com
In the search box, type "Lisle funnel"
When the results pop up, pick the spill-free funnel.
http://www.toolparadise.com
In the search box, type "Lisle funnel"
When the results pop up, pick the spill-free funnel.
11-30-02, 09:09 PM
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SERIES7, I think you gave the best advice. I've built many motors, and I use the same procedure. Just let the car idle with the heater on and the system will slowly swallow more fluid. Once you've got it to the point where it won't go down any more, put the cap on, take it for an easy drive, and then park it. I wouldn't take the cap off at that point (like one of the previous posts said) as there is a lot of pressure. Let it cool at least several hours, take the cap off and add fluid. So every time it's cool enough to open, check it! If I remember correctly, you usually only have to add maybe once or twice after the initial fill up.
-Tom
-Tom
11-30-02, 09:38 PM
#10
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isn't there also a hose sumwhere u can take off while ur filling the coolant thatlets alot of the air out, like at the TB or sumthing? I seem to remember reading aobut it.
11-30-02, 11:20 PM
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ZOOMSPEED, yes, I suppose you could remove the hose at the throttle body to purge the air out of there, but there are a few things about that:
-that is not a critical area. The water goes there to heat up the TB and assist with the warm up/engine speed process
-if you purge water there, you're gonna create a mess on top of the engine or around there
-that's not going to solve the problem of air pockets inside the rotor housings and steel housings
-after a few warm out/warm down/add fluid cycles, you're gonna be just fine
The obvious thing is to just be smart; don't go out race someone when you know you've just worked on the cooling system; drive 'er nice and gentle until you're positive all the air pockets are gone.
-Tom
-that is not a critical area. The water goes there to heat up the TB and assist with the warm up/engine speed process
-if you purge water there, you're gonna create a mess on top of the engine or around there
-that's not going to solve the problem of air pockets inside the rotor housings and steel housings
-after a few warm out/warm down/add fluid cycles, you're gonna be just fine
The obvious thing is to just be smart; don't go out race someone when you know you've just worked on the cooling system; drive 'er nice and gentle until you're positive all the air pockets are gone.
-Tom
Originally posted by Zoomspeed
isn't there also a hose sumwhere u can take off while ur filling the coolant thatlets alot of the air out, like at the TB or sumthing? I seem to remember reading aobut it.
isn't there also a hose sumwhere u can take off while ur filling the coolant thatlets alot of the air out, like at the TB or sumthing? I seem to remember reading aobut it.
12-01-02, 01:54 AM
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Originally posted by Zoomspeed
isn't there also a hose sumwhere u can take off while ur filling the coolant thatlets alot of the air out, like at the TB or sumthing? I seem to remember reading aobut it.
isn't there also a hose sumwhere u can take off while ur filling the coolant thatlets alot of the air out, like at the TB or sumthing? I seem to remember reading aobut it.
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