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  1. #1

    Default New Member in TX

    Hey Everyone,

    I've been working for the past year and half slowly tricking out my 08 2500HD CC Z71 Duramax. I started with leveling keys and rims and tires. Year later upgraded to the Pro Comp 6" lift. And a few odds and ends in between. But since the lift was installed vibration and shake probs. have started. Tried everything I could think of to resolve it on my own with no success. So now I have decided to turn to you guys out there to see if any of ya'll have any suggestions or knowledge to help with the issues. And also to help someone else from trying the fixes i have tried that didn't work. Look forward to talking with ya'll. Thanks.

    Later.
    Blacked Out 08 2500HD Silverado Z71 Duramax.
    6" Pro Comp Lift
    Black 18" Pro Comp Wheels
    35" Toyo Open Country M/T's
    Bilstein 5100 Shocks in Front, Bilstein 5125 Shocks in Back
    MagHytec Rear Diff Cover
    Ranch Hand Bull Nose Front Bumper Ranch Hand Rear Bumper
    Recon Smoked LED Tail Lights and Third Brake Light
    Painted Grill
    KC Long Range Slim Lights
    Banks Ram Air w/ scoop
    Banks IQ Economind Powerpack
    Kenwood DNX 7140 DVD Navigation
    Kenwood Rearview Camera
    Kicker ZX400.1 w/ Kicker CVR 10"

  2. #2

    Default

    I was talking to one of the guys at mike's off road in Fort Worth tho other day and he said that if you level the front any more than 2" it makes it impossible to align the font end. If your keys are more than 2" that cold be causing some problems.
    Hope you can figure out the problems, and welcome to the club!
    2004 Z71 Tahoe
    2004 Silverado LT
    1995 Sierra SLE

  3. #3
    Legend

    Join Date
    Aug 2008
    Location
    East of Branson, Missouri
    Posts
    2,788
    Blog Entries
    14

    Default

    Welcome to the GMTC. Hopefully you'll find the help you're looking for and it sounds like you'll be able to help with some of your knowledge as well! Look forward to reading your posts.
    Steven



    "The Sarge"
    1999 Chevy Suburban LT- K2500
    7.4 454 Vortec, 4WD
    305/70/16 on Eagle Alloy




  4. #4

    Default

    Yeah I had heard that as well. But now the keys are off and its a 6" lift with factory keys. Also with the 2" keys it wasn't bad. There was a small vibration, but very minor. Since the lift its very noticable. But I have had the lift checked twice and installed Bilstein shocks trying to fix it and nothing. Thats why I am starting to think its the tires. I have read and heard of other people having issues with the Xtreme A/T's wearing funky and not balancing right.
    Blacked Out 08 2500HD Silverado Z71 Duramax.
    6" Pro Comp Lift
    Black 18" Pro Comp Wheels
    35" Toyo Open Country M/T's
    Bilstein 5100 Shocks in Front, Bilstein 5125 Shocks in Back
    MagHytec Rear Diff Cover
    Ranch Hand Bull Nose Front Bumper Ranch Hand Rear Bumper
    Recon Smoked LED Tail Lights and Third Brake Light
    Painted Grill
    KC Long Range Slim Lights
    Banks Ram Air w/ scoop
    Banks IQ Economind Powerpack
    Kenwood DNX 7140 DVD Navigation
    Kenwood Rearview Camera
    Kicker ZX400.1 w/ Kicker CVR 10"

  5. #5

    Default

    Welcome to the club. Have you had the tires checked for trueness. ProComps are known to be out of round.

  6. #6
    Legend
    murdog94's Avatar
    Join Date
    Feb 2008
    Location
    Cloquet, Minnesota, United States
    Posts
    8,198
    Blog Entries
    12

    Default

    Welcome aboard.
    Mike

    Currently

    1997 Chevy S-10 Blazer 4X4 with 330K miles and counting (Hunting rig).

    2009 Saturn Aura XE (wifes car)

    2011 F-150 Crew 4X4

    "Hold it to the floor till you see God.... Then Brake!!!!"

  7. #7
    Legend
    Eddie Z71's Avatar
    Join Date
    Mar 2009
    Location
    Colorado Springs, CO
    Posts
    3,838
    Blog Entries
    1

    Default

    Hi, and welcome to the site! Nice looking truck! Glad to have you here!
    Eddie , 2000 Chevy Tahoe Z71 (old style)

  8. #8

    Default

    welcome to the site from san fran, ca
    2K Bowtie Silverado xCab 5.3L
    7" Fabtech Suspension Lift + 3" Perf Acc. Body Lift
    K&N Air Intake + Edelbrock Shorty Ceramic Headers + Flowmaster Super 10 Series dumped after muffler!
    Bridgestone Dueler 285/75/16 on stock rims
    SSBC Slotted Rotors & Pads
    HID Driving & Fog Lights

    (AR Bajas + ProComp 305/70/16) <-- seasonal set

  9. #9

    Default

    Just had the tires checked for the Third Time by 4 Wheel Parts and now the are saying it is the back right tire out of round causing the issue. But now too much of the tire is gone for them to do anything. Eventhough they are the ones that have been saying its just a balancing issue....

    So I am just going to upgrade to 35's which I have been wanting anyways. And go with the Toyo Open Country M/T's.
    Blacked Out 08 2500HD Silverado Z71 Duramax.
    6" Pro Comp Lift
    Black 18" Pro Comp Wheels
    35" Toyo Open Country M/T's
    Bilstein 5100 Shocks in Front, Bilstein 5125 Shocks in Back
    MagHytec Rear Diff Cover
    Ranch Hand Bull Nose Front Bumper Ranch Hand Rear Bumper
    Recon Smoked LED Tail Lights and Third Brake Light
    Painted Grill
    KC Long Range Slim Lights
    Banks Ram Air w/ scoop
    Banks IQ Economind Powerpack
    Kenwood DNX 7140 DVD Navigation
    Kenwood Rearview Camera
    Kicker ZX400.1 w/ Kicker CVR 10"

  10. #10

    Default

    Welcome to the GMTruckClub!


    2010 Z/71 Colorado C/C
    Black 4X4 w/5.3L V8
    ===============
    2007 Winnebago Adventurer
    w/8.1L Chevy & Allison 6spd.
    Canyon Lake, Texas

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