1999 K1500 Chevy help

Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by Georgia_Dave, Jan 30, 2012.

  1. Georgia_Dave

    Georgia_Dave New Member

    I just purchased a K1500 Chevy Suburban, with the 5.7 Vortec. It has the push button 4WD. Aside from the K&N filter, she's stock. I want to do just a couple of small things for now, maybe more later. I was hoping to get some tips here on the forum.

    She has 181K miles, but appears to have been well taken care of. I suppose due diligence would be to change the fuel filter, maybe run som Seafoam through from the tank to clean out the crud. Spark plugs and distributor cap and rotor too I'm guessing. Anything aside from those to get it where it needs to be?

    Also as far as lift goes, I have seen some ads for the torsion key lifts that appear to be quite simple and inexpensive. They purport to provide up to 3 inches of lift withthe torsion keys alone. I imagine that I would need blocks for the rear after those. Are these torsion key lifts any good? With just 2 inches above stock, I'm not too worried about putting the 4WD components in a bind, should I be?

    Any input anyone wishes to provide would be appreciated.
  2. Boonduff

    Boonduff Rockstar 4 Years 100 Posts

    I would change fluid and filter in the tranny, change fluids in the transfercase, diffs, powersteering, brakes, and flush the cooling system. Check serp. belt and pulleys and hoses. Check u-joints and steering linkages and grease any fittings
  3. murdog94

    murdog94 Epic Member 5+ Years 5000 Posts

    Yep. Oh and make sure you only run AC delco Platinum plugs (the vortec motors dont seem to like any other plugs)
  4. janikphoto

    janikphoto Rockstar 3 Years 100 Posts

    I second this post... Tranny filter isn't hard to change. My u-joints are squeaking. I grease all the fittings in the suspension every couple months. My Suburban is the same year as your BUrb, same model, and almost the same mileage. I think I'm at 184k. I needed new plugs, cap and rotor. I did the tranny fluid/filter and I'm about to do the u-joints and rear diff fluid. I have stuff to flush the cooling system, but haven't yet. My biggest suggestion is to run seafoam a few times, then change the fuel filter and plugs. Suburbans of this era get injector clogs and carbon buildup. It robs power and reliability.

    Oh, and I can't speak for the front lift, but I did put one inch blocks on my rear with ease. It makes the truck look taller and less squatty.

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