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Where seal.

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by BRD TRANSPORT, Jan 21, 2022.

  1. Jan 21, 2022 #1
    BRD TRANSPORT

    BRD TRANSPORT Light Load Member

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    Jul 6, 2018
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    03 peterbilt 379.
    Old Wernner truck.
    Rear seal right side.
    4 time replacing wheel seal in last 3 years.
    Races good, bearings good according to Mechanic.
    Spindle seems to be in great shape almost perfect considering its an 03., 3.55 rears.
    Any advice would be great.
     
    BRD TRANSPORT, Jan 21, 2022
    BRD TRANSPORT, Jan 21, 2022
    #1
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  3. Jan 21, 2022 #2
    Bro_Dave

    Bro_Dave Medium Load Member

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    Nov 5, 2013
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    Check the axle vent.
     
    Bro_Dave, Jan 21, 2022
    Bro_Dave, Jan 21, 2022
    #2
    BoxCarKidd and beastr123 Thank this.
  4. Jan 21, 2022 #3
    BRD TRANSPORT

    BRD TRANSPORT Light Load Member

    172
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    Jul 6, 2018
    0
    Axl vent clear of any gunk
    Wash under truck chassis frequently thanks bud.
     
    BRD TRANSPORT, Jan 21, 2022
    BRD TRANSPORT, Jan 21, 2022
    #3
  5. Jan 21, 2022 #4
    beastr123

    beastr123 Road Train Member

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    Pull the vent and manually run a drill bit from bottom to top.
    Not often the vent will plug at the bottom and the cap is free and loose.
     
    beastr123, Jan 21, 2022
    beastr123, Jan 21, 2022
    #4
    BRD TRANSPORT Thanks this.
  7. Jan 21, 2022 #5
    Smellfunny

    Smellfunny Road Train Member

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    Just a few things I can think of.... What kind of seal you using? Are the races tight in the hub? Before taking the axle nuts off can you move the wheel any? (When I do a brake job on a truck I always push on the top of the wheels after I jack the axle up to test for play). Are the spindle nuts torqued properly? Have you checked for cracks in the hub itself? (I have seen this before as well) Is the mechanic cleaning the spindle and hub area really good? Is there any damage to the spindle? (I have seen hairline cracks in axles near the spindle as well).
     
    Smellfunny, Jan 21, 2022
    Smellfunny, Jan 21, 2022
    #5
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