Help me find the problem/ leack.

Discussion in 'Engine & Drivetrain' started by vmarcial27, May 15, 2018.

  1. vmarcial27

    vmarcial27 TYF Newbie

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    So i just noticed that my hoe is leaking some fluid i dont know where is coming from though. Here are some pictures.its locate by the spare tire in the back. What could of be ? What is the box there ? By the way what is the best way to remove some rust ? Nj problems lol . Also what shocks do you recommend for a nice comfortable ride? Thank you guys in advance.

    IMG_0311.JPG IMG_0314.JPG IMG_0315.JPG IMG_0317.JPG
     
  2. Doubeleive

    Doubeleive Elite Member Supporting Member

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    need more pictures showing more but the only thing in the back that would really leak oil/grease is the rear differential
     
  3. vmarcial27

    vmarcial27 TYF Newbie

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    More pictures????? i cant really get a better picture unless i get a lift. Any idea what that box is for ?
     
  4. Doubeleive

    Doubeleive Elite Member Supporting Member

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    the box appears to be the gas tank evap canister it is not the source of the leak, your pictures show part of the oil/grease leak but does not show where it is coming from, oil/grease will generally flow backwards from the source or diagonally because air/force is pushing it, so if you look closely at your rear differential/pinion area (where the driveline enters the rear diff) that is most likely where it is coming from
     
  5. Doubeleive

    Doubeleive Elite Member Supporting Member

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    your last photo from behind the rear differential if you look the grease is right above the pinion so my best guess without a picture from the other side is your pinion seal is bad.
     
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  6. Doubeleive

    Doubeleive Elite Member Supporting Member

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    your pinion area should be oil free like this, if is all greasy and if the grease is splattered up under the body right at this location then that is the source of the leak

    diff.jpg
     
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  7. swathdiver

    swathdiver Full Access Member

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    That was my second thought, the pinion seal. First, I thought gasoline may have leaked from the evap cannister but the spray is a narrow band covering the area, ruling that out.

    That oil is a pretty good rust inhibitor though! Your differential won't be happy when it runs out of fluid, so get it fixed. In that last photo, the back of the differential is dry on top, I bet it's the pinion seal like you said.

    I'm partial to OEM shocks but lots of fellas here like the Bilsteins.
     
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  8. vmarcial27

    vmarcial27 TYF Newbie

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    Around how much would it be to get it fix ? How much just for the labor?
     
  9. swathdiver

    swathdiver Full Access Member

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    Pinion seal is about $18, PN# 26064029 (taken from my '09 shop manual) and 2.1 hours labor.
     
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