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  1. #1

    Default 2004 Yukon XL 2500 8.1L -- Hydroboost Failure

    While making a sharp turn at low speed, the power steering and brakes went out. After a little research, I am sure the Hydroboost pump failed. There was no noise, no leaking fluid, no warning at all. I called GMC and they told me that my vehicle was not covered in the recall for this part. Any suggestions? I live on an island in rural Alaska. The nearest GMC dealership is 800 miles away, and the only way to get there is by a 3-day ferry trip. I am having trouble finding the part on-line.

  2. #2
    Jr. Engineer Jamm3r's Avatar
    Join Date
    Dec 2012
    Location
    Minneapolis area
    Posts
    239

    Default

    You mean the power steering pump? Rock auto's got your choice of Atsco or AC Delco for around $100. It takes a special tool to move the pulley from the old pump to the new pump without breaking it so be sure you have that angle covered, something like this: http://www.rockauto.com/catalog/moreinfo.php?pk=1121415
    Minneapolis area - 1997 K2500 regular cab long bed + 8.5' Western Unimount plow + modified transmission + 2nd battery + modified camper charge circuit + 1971 Cayo camper -and- 2004 4x4 Suburban 2500 8.1 + Maxbrake controller + 2nd battery + modified trailer charge circuit + Reese receiver, pulls 30' Airstream trailer

  3. #3
    Sr. Engineer
    Join Date
    Feb 2012
    Location
    Western Maryland/Wyoming
    Posts
    308

    Default

    Welcome to The Club. Buying online would seem like your best bet. Keep us informed, I have the same vehicle.

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