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  1. #1
    Join Date
    Jul 2007
    Location
    Bethpage, NY
    Posts
    15

    Default No heat after serpentine belt& pulley replacement

    2005 XC90 V8

    I broke down Monday when the serpentine belt came loose from what turned out to be a bad pulley. Before I could pull over, the car overheated (saw the puddle of anti-freeze in the street).

    So, I had the serpentine belt and pulleys replaced. All seemed fine when I brought the car home. However, this morning when I left for work (thanks to the sudden cold spell and snow flurries), I needed the heat in the car. That's when I realized that it wasn't working. I drove for about 30 minutes and just a hint of heat from the defroster but nothing from the vents. When I arrived at work, I notice the engine temp was approaching the high end. I shut the car off for about 10 minutes (It's 32 degrees this morning). I restarted the car and the engine temperature was normal. I sat idling for about 15 minutes and the temperature remained normal.

    So, after close to two hours, I went down to my car to check the anti-freeze level. Nothing in the overflow, so I will need to add some.

    Besides this, is there any other reason why this might be happening?

  2. #2
    Join Date
    May 2015
    Location
    Long island, ny
    Posts
    2

    Default

    I'm surprised nobody responded yet.. Your coolant system needs to be bled out, there's air trapped in the it preventing coolant from moving through your heater core.

  3. #3
    Join Date
    May 2015
    Location
    Long island, ny
    Posts
    2

    Default

    Lol I didn't realize this was a year ago

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