How do I bleed the cooling system?!
09-18-09, 12:41 AM
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How do I bleed the cooling system?!
My coolant buzzer is going wacko after the engine swap, even though my coolant is full!how do I bleed the system I think there could be air in it making it go off.
09-18-09, 12:47 AM
#2
Open the radiator cap and the bleeder screw. It's on the radiator next to the air box. Don't unscrew it all the way; just enough to allow air to get past it. With the engine COLD you can start it up and let it idle, then turn the heater on as well. This opens the valve to the heater core, which will let any trapped air in the core escape. Let it run for a minute or so and see if bubbles are escaping through the cap opening.
For obvious reasons, never open the cap and run the engine if the coolant is hot.
For obvious reasons, never open the cap and run the engine if the coolant is hot.
09-18-09, 06:17 AM
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Loosening the bleeder screw will help get air out of the rad. Just open it until liquid starts leaking slightly with the cap off too. Then just screw it back on and leave the cap off etc...what RR88 said.
09-18-09, 04:49 PM
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I bled the coolant, but it still stays on...
I have narrowed it down to a couple things but I don't have the tie right now to look into it.
How can I disable to buzzer so I can drive in peace while I figure it out?
My car isn't running hot ore anything, I believe it is one of the sensors.
I have narrowed it down to a couple things but I don't have the tie right now to look into it.
How can I disable to buzzer so I can drive in peace while I figure it out?
My car isn't running hot ore anything, I believe it is one of the sensors.
09-18-09, 06:59 PM
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What an idiot!
I used the radiator out of the car with the clutch problem, because it wasn't rusted to hell from blowing a coolant seal.
However, the guy who had it previously didn't have a coolant sensor in it
Me, never owning any RX7 before thought it was supposed to have a bleeder screw on top and on the side of the radiator...
After some careful searching and hearing constant mention of the wire "connected to the top of the radiator"
I dug up the old radiator, found a nice little sensor on top, threw it on the running car and voila! Everything is good, no buzzer, running smooth and cool.
Too bad I can feel the 3800 hesitation now... I cleaned up the battery terminal ground, but I think I may have to clean other ones.
Thanks for the help with how to bleed it! A lot of bubbles did come out.
However, the guy who had it previously didn't have a coolant sensor in it
Me, never owning any RX7 before thought it was supposed to have a bleeder screw on top and on the side of the radiator...
After some careful searching and hearing constant mention of the wire "connected to the top of the radiator"
I dug up the old radiator, found a nice little sensor on top, threw it on the running car and voila! Everything is good, no buzzer, running smooth and cool.
Too bad I can feel the 3800 hesitation now... I cleaned up the battery terminal ground, but I think I may have to clean other ones.
Thanks for the help with how to bleed it! A lot of bubbles did come out.
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