vacuum hose diagram [Expired Topic]

Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by ellis, Jul 7, 2005.

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  1. ellis

    ellis New Member

    Does anyone have or know where I can find a vacuum hose diagram for a 99 burb 7.4L 454? I think I may have a vacuum leak somewhere but I don't know where. I just changed the plugs, wires, cap and rotor...runs great but after it warms up and i'm stopped, idle tends to drop occasionally and feels a bit rough. Thanks in advanced!
     
  2. ChevyFan

    ChevyFan The Sheriff Staff Member 5+ Years 5000 Posts

    Sorry, looked around a little but didn't find anything. Anyone?
     
  3. ChevyFan

    ChevyFan The Sheriff Staff Member 5+ Years 5000 Posts

    Found this advice on a website:

    When it is working, go to autozone.com and they have diagrams. Or go to http://www.MOTORLIT.COM.
     
  4. Guest

    Guest Guest

    Autozone didn't have any vacuum diagrams that I could find. Good info on the vehicle otherwise. You might try purchasing a chilton CD. They're usually only about $21.95 or so.
     
  5. ellis

    ellis New Member

    i'll see what i can figure out...i'll post any new info as i find it...thanks for the replies :D
     
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