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Thread: Rear Axle Issues

  1. #1
    Join Date
    Jul 2005
    Location
    Loganville, GA
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    168
    my dad has a 2004 tahoe that appears to be leaking out of the rear pinion seal, i dont know what caused it but he does drive alot for work so the thing has 120,000 miles on it so that could have something to do with it, whats the work load to fix this or what will it cost him to take somewhere, any input would be great
    1999 GMC Sierra Z71 Ext Cab, True Dual Flowmasters with X-Pipe, True Flow Intake, MSD 8.5 Superconductor wires, 180 Thermo, TB Bypass, Optima Battery, Synthetic All the way around
    http://i139.photobucket.com/albums/q...7787/Truck.jpg

  2. #2
    Join Date
    Mar 2003
    Location
    San Marcos Texas
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    4,393
    That is a pretty easy fix. Remove the driveshaft. Mark the pinion nut so you can set it back the same way it is now. Remove the pinion nut and pop out the seal. Replace the seal and tighten the nut back to the mark you scribed. Reinstall the driveshaft. Check and refill the diff if needed. You may want to check a service manual first or take it to someone. It shouldn't cost over $150 to have it done. Sometimes the pinion bearings wear out so check it carefully for play.
    2006 Superior Blue Trailblazer SS AWD, Stock as a rock

    Sold: 2002 GMC Sportside Denali front end with a 2002 LS1, FLT level 5, Yank 2600, Trick Turbo, T76, Nelson intercooler, 60LB injectors, Warbro fuel pump, Eaton locker, Magnaflow, 3.42, Nelson Performance Tuning (speed density).

    Sold: 1981 GMC LB RC 1500 2002 4.8L 4L60E 12 bolt 3.73 Richmond Lock Right AC PS Nelson Performance tuning

  3. #3
    Join Date
    Jul 2005
    Location
    Loganville, GA
    Posts
    168
    i got underneath it and there wasnt any play in he pinion if thats the play your talking about, so in that case it should be pretty straight foward?
    1999 GMC Sierra Z71 Ext Cab, True Dual Flowmasters with X-Pipe, True Flow Intake, MSD 8.5 Superconductor wires, 180 Thermo, TB Bypass, Optima Battery, Synthetic All the way around
    http://i139.photobucket.com/albums/q...7787/Truck.jpg

  4. #4
    Join Date
    Mar 2003
    Location
    San Marcos Texas
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    4,393
    <div class='quotetop'>QUOTE(Z71sierra7787 &#064; Jun 10 2007, 04&#58;53 PM) [snapback]96286[/snapback]</div>
    i got underneath it and there wasnt any play in he pinion if thats the play your talking about, so in that case it should be pretty straight foward?
    [/b]
    You got it&#33;
    2006 Superior Blue Trailblazer SS AWD, Stock as a rock

    Sold: 2002 GMC Sportside Denali front end with a 2002 LS1, FLT level 5, Yank 2600, Trick Turbo, T76, Nelson intercooler, 60LB injectors, Warbro fuel pump, Eaton locker, Magnaflow, 3.42, Nelson Performance Tuning (speed density).

    Sold: 1981 GMC LB RC 1500 2002 4.8L 4L60E 12 bolt 3.73 Richmond Lock Right AC PS Nelson Performance tuning

  5. #5
    Join Date
    Jul 2005
    Location
    Loganville, GA
    Posts
    168
    does anyone know that nut size or the exact tools i will need to do this so i can take the right ones with me when i go to my dads house to change the seal and where the best place to get the seal from would be
    1999 GMC Sierra Z71 Ext Cab, True Dual Flowmasters with X-Pipe, True Flow Intake, MSD 8.5 Superconductor wires, 180 Thermo, TB Bypass, Optima Battery, Synthetic All the way around
    http://i139.photobucket.com/albums/q...7787/Truck.jpg

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