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04-06-2013, 10:13 AM | #1 | |
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Location: Riverview, Florida
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Degas bottle question
I am trying to bleed the coolant. I noticed where the top hose connects, the metal tube inside the tank is no longer connected. its just laying inside the degas bottle. Could this be the reason I am having such a hard time bleeding the air out?
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04-07-2013, 10:59 AM | #2 | |
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Re: Degas bottle question
Guess my question is. Does the upper hose thats connected to the degas bottle serve also as a suction line? Will it also take coolant from the tank?
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04-07-2013, 11:48 AM | #3 | |
SHO No Mo
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Re: Degas bottle question
What year is your LS, and which engine does it have?
-Rod |
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04-07-2013, 01:14 PM | #4 | |
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Re: Degas bottle question
2001 3.9
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04-07-2013, 01:44 PM | #5 | |
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Re: Degas bottle question
I'm thinking that this is the reason I can't bleed the system properly. If I open the cap on the Degas bottle and push down on the radiator hose, I can here air being pushed out and sucked back in. I think the metal down tube is meant to keep that line submerged in coolant. Being its broken off its above the coolant level, and can draw air back into the system. Am I thinking correctly?
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04-07-2013, 08:37 PM | #6 | |
SHO No Mo
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Re: Degas bottle question
According to the factory service manual for your 2001:
"The degas bottle:
There appear to be 3 hoses connected to the degas bottle. It appears one is the inlet to the bottle, top, and two returns, lower. The inlet hose is connected to the thermostat housing. The return hoses are y-ed together an attached at the DCCV. -Rod |
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The Following User Says Thank You to shorod For This Useful Post: |
LS813 (06-13-2013)
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04-08-2013, 10:13 AM | #7 | |
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Re: Degas bottle question
Yes, you are correct that this is your problem, and it is a known failure mode of the degas bottle.
The hose that connects at the top is the engine air bleed. Any air trapped in the engine should eventually come out here. When the engine cools down, it sucks coolant back in through that metal tube. Since your tube has disconnected, air is being sucked back into the engine instead. |
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The Following User Says Thank You to joegr For This Useful Post: |
LS813 (06-13-2013)
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Tags |
air , bleeding , bottle , degas |
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