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  1. #1

    Default 2004 Suburban tune Up

    It has almost 87,000 miles on the 5.3L. I have noticed that during idle it doesnt stumble but is just not very smooth. I know it needs a tune up anyways. I have some questions.

    What needs to be replaced during a tune up? Kinda new at this. I just did a oil change on it

    Spark plugs? Which brand?
    Spark plug wires? Which brand?
    Fuel filter?
    Differential oil?
    Transmission flush? Transfer case flush to?

    Anything else I'm forgetting? Any advice is much appreciated!

  2. #2

    Default

    I only run AC Delco plugs and wires on mine

  3. #3
    Master Mechanic Silverado Junkie's Avatar
    Join Date
    Feb 2010
    Location
    Lead Hill, Arkansas
    Posts
    541

    Default

    I realy like Bosch plug wires and Bosch Platinum4 sparkplugs. U could also change your coil packs if you wanted but probably not nessisary. And if your vehicle has never had its tranny flushed, id get it flushed and id change the diff. oil too. Id also change the airfilter too. Because remember, preventative maintinance prevents costly repairs and prolong your vehicle's life.
    1995 Silverado,Z71, 3-inch lift,2-inch leveling kit, SkyJacker Suspension, short ram-air intake, throttle body spacer, MSD ignition coil, straight pipes

  4. #4
    Master Mechanic TritonBoulder47's Avatar
    Join Date
    Nov 2009
    Location
    Tunkhannock, PA (North East)
    Posts
    809

    Default

    Air filter, mass air flow sensor cleaner, throttle boby cleaner...

    Tim a.k.a. Da' Boulder

    2003 Chevrolet Avalanche Z71 - Custom Emergency Response POV

    Firefighter, Fire Policeman, Ambulance Driver, Rescue Tech, Emergency Lighting Installer

    Tint, 20's, Bull Bar, Intake, Exhaust, Billet Grill, Stereo, Custom Console, Emergency Equipment, and the list goes on...

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