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odd feeling brakes after changing wheel bearings

Discussion in 'Technical Chat' started by dragsterhund, Jan 21, 2013.

  1. Jan 21, 2013 at 6:43 PM
    #1
    dragsterhund

    dragsterhund [OP] Member

    Joined:
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    Charlie
    Washington DC
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    2005 Access Cab V6 4.0L
    Hey everyone,

    Thanks to the write up on how to change wheel bearings, I successfully changed both front wheel bearings on my 2005 4x4 this afternoon. Now I'm having some strangeness coming from the brakes. The first time I press the pedal, it's spongy, but an immediate release and reapplication they feel normal... 20 seconds later, did the same thing. I had to rejoice the calipers and rotors to do the bearing swap... Did I damage something? I didn't crack the brakes lines, so I don't know how air would have gotten in there. There no pulsing in the pedal, so I'm assuming everything is aligned properly still. Any suggestions?
     
  2. Jan 21, 2013 at 7:22 PM
    #2
    Vstrom30

    Vstrom30 Well-Known Member

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    This can happen if the axle nut is not tight enough, causing the rotor to move side to side and spread the caliper when you are moving. That is why the brakes feel spongy at first, and then tighten up. Essentially, the bearing can be a lit loose if the axle nut is not tight enough. You can jack each front wheel off the ground and see if you can wiggle each wheel with your hands at 12 and 6 o clock on the wheels.
     
  3. Jan 21, 2013 at 8:00 PM
    #3
    dragsterhund

    dragsterhund [OP] Member

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    Charlie
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    Vehicle:
    2005 Access Cab V6 4.0L
    I'll check the axle nut. What's the torque spec?
     
  4. Jan 22, 2013 at 8:45 AM
    #4
    Vstrom30

    Vstrom30 Well-Known Member

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    173 ft lbs.
     
  5. Feb 15, 2013 at 12:39 PM
    #5
    pop639

    pop639 Well-Known Member

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    Western PA
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    06 Reg Cab 4x4
    I have this exact problem after changing a rear wheel cylinder...did you ever figure the problem out...air in the abs pump possibly
     
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