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Coolant leak from elbow coming from the firewall , idk if a hose was connected to it that broke off or not.

2006 Buick LaCrosse cxl 3.8

Posted by Donnovan Lavergne on

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ADMIN Canada

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  • Buick Master
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That is to the heater core. It needs fixing.

Posted on Dec 29, 2021

  • 3 more comments 
  • Donnovan Lavergne
    Donnovan Lavergne Dec 29, 2021

    So the heater core needs to be changed ?

  • ADMIN Canada
    ADMIN Canada Dec 29, 2021

    Well the thing that puzzles me is that you say it is leaking and not connected to a hose? If that was the case, it should be loosing nearly all its coolant and overheating. The connectors appear to be snap fitting. See if you can see yours in the link.
    https://www.google.com/search?q=2006+Bui...

    ..

  • Donnovan Lavergne
    Donnovan Lavergne Dec 29, 2021

    Yes . It’s leaking from an elbow rubber thing , yes loosing coolant and over heating in 2 through 3 miles . I can’t tell if a hose was connected to the elbow thing leaving the firewall

  • Donnovan Lavergne
    Donnovan Lavergne Dec 29, 2021

    I’m thinking heater core is leaking , part leaking is connected on firewall

  • ADMIN Canada
    ADMIN Canada Dec 29, 2021

    These may show. There are 4 hoses that go through the firewall. In and Out for the AC and is attached to the AC Compressor and In and Out for the heating attached to the coolant system.
    https://buickforums.com/forums/threads/h...
    https://www.carcarekiosk.com/video/2007_...

    ..

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