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  1. #1
    War Damn Eagle ChrisAU's Avatar
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    Default HOW TO: Fix Bouncy/Hummingbird Fuel Gauge Needle

    First, you need your supplies. I bought 30k R/C car diff oil, and it works great:

    http://www.ebay.com/itm/130804510618...84.m1439.l2649

    Then, you'll need some 3ML syringes (without needles):

    http://www.ebay.com/itm/3-Oral-Syrin...item3f1a9a1d62

    Now you have all you need.

    1) VERY IMPORTANT: Turn key forward to "ON" position, and take a GOOD picture of where your fuel needle is.

    2) Turn key off.

    3) Remove dash bezel, unplug headlights, cargo lamp switch, air bag switch, and 4x4 switch.

    4) Remove 4 screws holding in gauge cluster (they are 7MM hex head screws).

    5) Pull gauge cluster, it will come right out.

    6) Take inside and put on a table face up. Pull the clear part by pressing the tabs in on the sides.

    7) Take a kitchen fork (the kind you eat food with) and gently pry up on the fuel needle with it, going back and forth. Needle should slide up and off.



    8) IMPORTANT: Hold bottle of oil downwards until oil is coming out. Then put syringe into opening and pull back about 1/2" of oil.

    9) Turn syringe up and press the plunger until the air is removed.

    *NOTE* It takes a lot of time for air to move through this oil. Be patient with the bubbles. Make sure the big ones come up and out.

    10) Press syringe over needle post and firmly push down, but not too hard as to break it.

    11) Pull up on the plunger. You should see a bubble come up into the syringe, you are creating a vacuum in the gauge. It will take a LONG time for that bubble to reach the top, but be patient. It is important that it does. Make sure you maintain downward pressure.

    12) Slowly release the plunger and let the oil into the gauge, while holding pressure still.

    13) Let it sit for a few minutes, and repeat the procedure a few times.

    14) Put cluster, AS IS!, back into truck. Push it back so that it connects.

    15) Turn key forward to "ON". Put fuel needle back on in the position it was in in your picture. Turn key off.

    16) Reattach clear piece, then replace the 4 screws.

    17) Reinstall dash bezel and plug everything back in.

    You are done! The first time you have the key on it may bounce and vibrate a little, but as the oil coats everything it should dampen it a LOT. Mine was terribly bouncy and looked blurry it was vibrating so fast, now it looks just like any of my other gauges.
    Last edited by ChrisAU; 12-11-2012 at 06:30 PM.
    92 ECSB 5.7L Z-71: 6" RCX, 35x12.50x15s, Pioneer HU, Polk 4x6's, Kicker CVR 10, Chevy Conversion, XJ Shaft, Ranchhand Rear Bumper, TAG Front Bumper, Engo 10k Synthetic Winch, Upgraded 700R4, Hi-Lift, UWS Box *July 2012 TOTM*

    Past GM's:
    98 ECSB Z-71
    07 Tahoe LT2
    99 ECSB Z-71
    92 RCSB Z-71
    93 RCSB Z-71

  2. #2
    Runnin Lights and Sirens IdreamofYenko's Avatar
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    Default

    Awesome! Subd. Gotta do this soon lol
    -Nick



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  3. #3
    Timmmmmaaaaaayyyyy!!!!!!! frito-bandito's Avatar
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    Nice write up sir

    Sent from the frito crumb covered Android via Tapatalk 2
    Tim, aka Big T.

    I'm a Troll........


    1998 GMC C1500 ECSB 5.0 4L60E 230K miles Daily Driver, Intake Silencer Removal MOD, stripped aluminum wheels, more to come!
    1994 GMC C1500 RCLB 4.3 4L60E 345K milesrl] Gone but missed

    Quote Originally Posted by bow61509 View Post
    nice Tim ..... just start cutting till its slammed
    Quote Originally Posted by Horns View Post
    I love Dicks!

  4. #4
    I'm Awesome 98slv's Avatar
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    hells yes dude, I'm needing this mod terribly bad
    Green 1998 GMC RCSB, 5.7 z71, cats no mufflers, 1.6:1 scorpion aluminum roller rockers, Superchips handheld, underdrive crank pulley, ORD Shackle flip and u-bolt flip kit, 17x9 MT Classics, Mickey Thompson Claws 35x12.50.17, 6inch Rough Country, no sway bar, fully debadged, diesel bumper, All LEDs, 2inch wheel spacers, and some custom paint/body modifications
    Grey 1999 Silverado classic ECSB, 5.7, Hellwig 1 1/8 rear sway bar, underdrive crank, all LEDs

  5. #5
    Dexter Darkrider's Avatar
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    Great write up C1....all ill need to do this if i ever need to is the syringes lol
    Chris aka C2 aka Farva

    "Vegas" '94 GMC Sierra K1500 ECSB 6.5 TD 4L80E 480K
    "Relapse"2008 Chevrolet Trailblazer LS 47K

    Quote Originally Posted by Wildbill0088 View Post
    The friendzoned train runs my ass over so often that I feel like there should be railroad crossing signs installed back there
    "The welfare of the people has always been the alibi of tyrants, and it provides the further advantage of giving the servants of tyranny a good conscience"
    - Albert Camus

  6. #6
    You can keep your import. Gatorboy's Avatar
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    Interesting! Would have never guessed to do something like this

  7. #7
    Timmmmmaaaaaayyyyy!!!!!!! frito-bandito's Avatar
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    Quote Originally Posted by Gatorboy View Post
    Interesting! Would have never guessed to do something like this
    Wonder who the first brave soul was to try this

    Sent from the frito crumb covered Android via Tapatalk 2
    Tim, aka Big T.

    I'm a Troll........


    1998 GMC C1500 ECSB 5.0 4L60E 230K miles Daily Driver, Intake Silencer Removal MOD, stripped aluminum wheels, more to come!
    1994 GMC C1500 RCLB 4.3 4L60E 345K milesrl] Gone but missed

    Quote Originally Posted by bow61509 View Post
    nice Tim ..... just start cutting till its slammed
    Quote Originally Posted by Horns View Post
    I love Dicks!

  8. #8
    You can keep your import. Gatorboy's Avatar
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    Quote Originally Posted by frito-bandito View Post
    Wonder who the first brave soul was to try this

    Sent from the frito crumb covered Android via Tapatalk 2
    Hopefully someone with a spare cluster laying around

  9. #9
    Timmmmmaaaaaayyyyy!!!!!!! frito-bandito's Avatar
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    Quote Originally Posted by Gatorboy View Post
    Hopefully someone with a spare cluster laying around
    True

    Sent from the frito crumb covered Android via Tapatalk 2
    Tim, aka Big T.

    I'm a Troll........


    1998 GMC C1500 ECSB 5.0 4L60E 230K miles Daily Driver, Intake Silencer Removal MOD, stripped aluminum wheels, more to come!
    1994 GMC C1500 RCLB 4.3 4L60E 345K milesrl] Gone but missed

    Quote Originally Posted by bow61509 View Post
    nice Tim ..... just start cutting till its slammed
    Quote Originally Posted by Horns View Post
    I love Dicks!

  10. #10
    Warranty Killer! DRAGGIN95's Avatar
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    Good post, a lot of people have had this problem and this will help them out, I also stuck this for you!
    95 CC stepside with a 408 stroker LS motor from Texas Speed and built 4L80E
    96 CCSB daily
    93 2DR Blazer 2wd swap in progress
    90 Nissan low MPG truck
    00 CC Dually Tow Pig 53 Chevy 2dr car

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