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metal flakes in front rear..how much is normal wear

Discussion in 'Trucks [ Eighteen Wheelers ]' started by favored, Aug 25, 2011.

  1. Aug 25, 2011 #1
    favored

    favored Light Load Member

    51
    6
    Oct 7, 2010
    0
    Went to check fluids in truck, I've had the truck a couple months, pulled the plug on the front rear and had about a half a spoon of fine metal flakes. This one also runs about 25 degrees hotter than the rear rear. Any thoughts on what could be going bad, what could be done to keep from it going out or preventitive fixes at this point? No other symptoms going on. Thought about adding some lucus to it to slow down any wearing going on. Any input appreciated. Supposedly fluid was changed bout 50 k ago. Thanks
     
    favored, Aug 25, 2011
    favored, Aug 25, 2011
    #1
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  3. Aug 25, 2011 #2
    AUSSIE DAVE

    AUSSIE DAVE Road Train Member

    1,032
    176
    Feb 21, 2010
    OZ - Brisbane
    0
    Check for play in the pinion/yoke where tailshaft joins. Additives r always a hot topic, some use them some dont, I do use them and swear by certain types. I would be putting in Molybdenum, just find a product at a auto shop that has it in and can be used in oil (engine, gearbox, diff)
     
    AUSSIE DAVE, Aug 25, 2011
    AUSSIE DAVE, Aug 25, 2011
    #2
  4. Aug 25, 2011 #3
    07-379Pete

    07-379Pete Crusty Commando-Pete

    2,549
    2,347
    Oct 3, 2008
    Campbellsville, Ky
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    IS it metal "flakes" or metal grit? The fine sandy grit is normal. If its flakes and or hair like metal shavings then thats a sign of problems ahead.
     
    07-379Pete, Aug 25, 2011
    07-379Pete, Aug 25, 2011
    #3
  5. Aug 25, 2011 #4
    favored

    favored Light Load Member

    51
    6
    Oct 7, 2010
    0
    Its for sure mtal shavings, bunch attached to the magnetic plug that I unscrewed to check the fluid level. Bout a half spoon worth
     
    favored, Aug 25, 2011
    favored, Aug 25, 2011
    #4
  7. Aug 25, 2011 #5
    favored

    favored Light Load Member

    51
    6
    Oct 7, 2010
    0
    Also it's runnin hotter when im loaded at 80k
     
    favored, Aug 25, 2011
    favored, Aug 25, 2011
    #5
  8. Aug 25, 2011 #6
    dave26027

    dave26027 Road Train Member

    1,284
    804
    Sep 10, 2009
    Dallas, Texas
    0
    Is the new lubricant the correct type? Wrong lube can do that..
     
    dave26027, Aug 25, 2011
    dave26027, Aug 25, 2011
    #6
  9. Aug 25, 2011 #7
    favored

    favored Light Load Member

    51
    6
    Oct 7, 2010
    0
    Prev owner said he used synthetic...don't know for sure tho
     
    favored, Aug 25, 2011
    favored, Aug 25, 2011
    #7
  10. Aug 25, 2011 #8
    CondoCruiser

    CondoCruiser The Legend

    19,726
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    Apr 18, 2010
    Tennessee
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    If the bearings are wore, the gears will be out of alignment. I'd pull the axles and inspect the outer bearings/ axle splines and see what they look like.
     
    CondoCruiser, Aug 25, 2011
    CondoCruiser, Aug 25, 2011
    #8
  11. Aug 25, 2011 #9
    JakeBrakeChampion

    JakeBrakeChampion Light Load Member

    55
    19
    Apr 14, 2011
    Pennsylvania
    0
    Hey i no lube cant do it all but i switched To 85 140 and seems to really slow wear and tear in hot weather. But i think with the heavier weight oil it might run hotter? Wont dissapte heat as fast?
     
    JakeBrakeChampion, Aug 25, 2011
    JakeBrakeChampion, Aug 25, 2011
    #9
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