Question about 1992 Cadillac DeVille

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92 deville, plastic T-shaped piece

There's a t-shaped black plastic pipe that connects several coolant hoses up near the firewall under the hood. Mine broke and now I can't drive because the coolant's pouring out on the ground. 
Does anyone know what that piece is called so I can order another one? And do you know who would have it?!
Thank you-

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  • joelmailface Dec 08, 2008

    Thanks. But do you think an auto parts store like autozone or another might also have this part? The dealer is very expensive on parts. 

  • joelmailface Jan 15, 2009

    Thanks--I went to the junkyard and pulled one. Such a little piece they let me have it for free.

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I had the same problem, the Cadillac dealer told me the part was discontinued, really this is a specific looking part, it has two different diameters to divert coolant flow. In any event, I was unable to get the part from Advance Auto, but a smaller auto parts store carried a T valve (same outer diameter) where all three inner inlets/outlets were the same diameter. Since I didn't think I could find another suitable replacement I used it. I as of yet see no harm heating or otherwise.

Posted on Feb 10, 2009

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List price should be around $13.00 but you could use a generic napa tee to get by in a pinch. The factory part has a reduced hole in it, where as the generic napa parts won't. I am not sure why there is a restrictor orfice in the left side, but used parts will not help you here. The plastic gets brittle from heat and age so please replace this with new. Also have your hoses checked once a year for wear and tear. They do not last a life time. heat and pressure deteriorates them from the inside out, so the will look good on the outside when the get bad on the inside.

Posted on Feb 07, 2009

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This piece is a dealer item . take the old on off and take it to the dealer

Posted on Dec 08, 2008

  • Ricardo Loranca
    Ricardo Loranca Dec 09, 2008

    they might have but you will have to remove it to show them the part or you can check out Rockauto.com to see it they have the part and they are really good price wise. next is to go to the junkward to see if they have it

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