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Discussion Starter #1
Hey guys, Its been a while since I have been on here....that is a good thing it means my g6 has been mostly problem free for the past few years.

I seem to have developed a slight coolant leak. I have narrowed it down to the three way heater hose connector that is underneath the coolant tank. I have attached a picture of what I am talking about. The coolant seems to be leaking out from around the inside of the end of the hoses.

Two questions:

1)I am not completely sure it is the connector that is leaking. It may be one of the three heater hoses, the one coming from the firewall/heater core, the hose that comes off the right side of the engine or the coolant reservoir hose. In this situation should I just replace everything or try the connector first?

2) I seem to be having issues finding a replacement for that connector and the specific hoses....are there specific names for the parts besides heater hoses?

Thanks for your help guys

 

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When mine failed I took it into an ACE HW store and found something similar in the plumbing section. Sorry I do not recall the part number.
 

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Discussion Starter #3
When mine failed I took it into an ACE HW store and found something similar in the plumbing section. Sorry I do not recall the part number.
No worries. I seem to have found the tee fitting online. I might just do what you did and try to find it in a hardware store

When you said when yours failed it was only the tee fitting that failed? Or did you replace the hoses too?
 

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My hoses were fine. The plastic of the T piece had become somewhat brittle and had cracked. I seem to recall it being a little difficult to get out as it was generally weak. On one end I believe I used vice grips to break the remnants out of the hose. Also worth remembering you are going to get a fair amount of fluid pouring out that you might want to prepare for. Good luck with your fix.
 

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Discussion Starter #5
Thanks for your help boomer.

A quick update in case anyone cares. I replaced the tee connector as the hoses seemed fine. Wasnt too bad at all....it seems to have fixed the leak. The weird part is that the original connector seemed totally fine. It doesnt have any cracks or seem to be brittle yet. I am not sure if it may have just shrunk with age causing the leak? I do not know but at least my car is holding coolant once again.
 
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