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Grinding sound/feel on front end

Discussion in '2nd Gen Tundras (2007-2013)' started by ColoradoTJ, Aug 8, 2016.

  1. Aug 8, 2016 at 4:48 PM
    #1
    ColoradoTJ

    ColoradoTJ [OP] I'm a boob guy.

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    Lately I have been hearing a metal on metal, or bad bearing sound, or something like rubbing. This did come after my struts were installed, and not sure if it has to do with needing a differential drop kit or not.

    Today I did take off my front wheels, pulled the brake pads out to see if I have one dragging, cleaned and re-lubed the necessary brake parts, and on the drivers side removed the caliper and rotor to see if it is just hitting the backing plate.

    The rotor was rubbing the backing plate a little, but now it is not. I may have to paint the BP and then actually see if the rub is gone.

    Last night one of my best friends turned 28 yrs old, and on the way home from his party I euthanized a house cat with the drivers front going 40 mph. That made me do the work today, and bend the backing plate back out.

    image.jpg
    image.jpg
    image.jpg
    Supervisor
    image.jpg

    Ideas?
     
  2. Aug 8, 2016 at 5:12 PM
    #2
    Mike

    Mike Tread lightly.

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    With the backing plate pushed away does it still make the noise? To me those marks are a sign of disc and back plate touching.


    Mmmm I don't see a jack stand... Safety first...
     
  3. Aug 8, 2016 at 5:16 PM
    #3
    ColoradoTJ

    ColoradoTJ [OP] I'm a boob guy.

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    I could not duplicate the noise with my hands, but after about 15 mph it starts, sometimes not. Weird.

    Maybe I should paint the backing plate to ensure there is no rubbing.

    There is a jack stand under the frame, but good reminder for those that trust hydraulics (I do not).
     
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  4. Aug 8, 2016 at 5:23 PM
    #4
    Mike

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    yep bank account is running low from it..
    Paint it bright color see what happens.

    Double check your caliper it's not freezing up on you...
     
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  5. Aug 8, 2016 at 5:29 PM
    #5
    ColoradoTJ

    ColoradoTJ [OP] I'm a boob guy.

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    Yeah, think that is the next stop for me. Paint time.

    Caliper has been checked. My supervisor pushed down on the brake pedal without pads and all the caliper pistons came out like normal.

    Wondering about the front diff?
     
  6. Aug 8, 2016 at 5:35 PM
    #6
    Mike

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    Did the pistons retract after letting off pedal?

    If it was the diff it would be more like a growling sound not metal to metal as you are talking about.

    When was the last time the spider (ujoints) got grease on front driveshaft and rear to rule that out.
     
  7. Aug 8, 2016 at 5:42 PM
    #7
    ColoradoTJ

    ColoradoTJ [OP] I'm a boob guy.

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    Brake calipers worked as normal.

    Well, I could say it is a growl. Maybe I can take a sound clip.

    The driveshaft gets lubed every other oil change, or 10k miles.
     
  8. Aug 8, 2016 at 5:50 PM
    #8
    Mike

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    yep bank account is running low from it..
    If it's a growling sound then you look into diff's... When was the oil checked last in the pumpkin? And I will assume your CV and driveshafts are not are strange angles from a lift correct?
     
  9. Aug 8, 2016 at 5:58 PM
    #9
    ColoradoTJ

    ColoradoTJ [OP] I'm a boob guy.

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    The diff fluids are swapped out every 25k.

    Now this is what I am wondering about drive shaft angles. I'll go take a shot of the angle.
     
  10. Aug 8, 2016 at 6:06 PM
    #10
    ColoradoTJ

    ColoradoTJ [OP] I'm a boob guy.

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    I also got a measurement of the front lift.

    Stock was 36 5/8 and now it is 37 3/8.

    image.jpg
    image.jpg

    So I went up under 1".
     
  11. Aug 8, 2016 at 6:16 PM
    #11
    Mike

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    Your CV looks fine from what i see and driveshaft is about the same angle then?
     
  12. Aug 8, 2016 at 6:22 PM
    #12
    ColoradoTJ

    ColoradoTJ [OP] I'm a boob guy.

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    That is what I thought, but it is good to have a second opinion. Maybe I'm nuts.

    When I swap tires, and move up to a 275/70/18, I plan on taking the shocks up a little more. That is why I ordered the diff drop.

    I think the proper way to troubleshoot this is to start with the easy. Paint.
     
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  13. Aug 8, 2016 at 6:35 PM
    #13
    Mike

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    Try this too. We use chrome paint for a mirror shine. Now anything touches it it's going to be dull.. we even did it to a driveshaft once in our shop and found the angle at 45 mph was touching the other joint at 15 degrees.
     
  14. Aug 8, 2016 at 6:53 PM
    #14
    ColoradoTJ

    ColoradoTJ [OP] I'm a boob guy.

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    I even think there is some in my garage.

    What a PITA, but I would rather find out the front diff is going south before 100K miles.
     
  15. Aug 8, 2016 at 6:57 PM
    #15
    zcarpenter92

    zcarpenter92 Yotas, Coronas and 'Merica

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    My front diff made a grinding/rubbing sound when it went. Luckily it happened right after I bought the thing, so it was covered on the 3 month/3600 mile warranty. Otherwise it would've been $1700 out of my pocket.
     
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  16. Aug 8, 2016 at 7:09 PM
    #16
    ColoradoTJ

    ColoradoTJ [OP] I'm a boob guy.

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    This is what I am afraid of. 100,002 miles and a FO at the dealership.

    This would not surprise me one bit though. I towed 300 continuous miles in a really tough blizzard. This is how we started from Cortez, CO:

    [​IMG]

    This was the start before Wolf Creek Pass:

    [​IMG]

    Mid way we had to take an hour to chip off ice after La Veta Pass:

    [​IMG]

    I have also used 4wd with the camper, the flatbed trailer...etc.

    This load was in 4Low for a while....

    [​IMG]

    If this is the case, the other half said to go get a 1 ton, but she has been very impressed with how this truck has handled what we do with it. I said they can replace it and we can go another 60K and then sell it.
     
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  17. Aug 8, 2016 at 7:17 PM
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    Mike

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    If you do this, I'm not at fault, for death or pregnancy or both.. , but you can trace down faster..


    Jack vehicle on four jack stands so wheels are off the ground.. have the wife in her stiletto heels and mini skirt, use the heels as height mind you to get in the truck and drive the truck around while you under the truck looking for this sound.
     
  18. Aug 8, 2016 at 7:20 PM
    #18
    zcarpenter92

    zcarpenter92 Yotas, Coronas and 'Merica

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    Mine went at 67,000 something miles, I thought it was kind of early for a diff to go but oh well.
     
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  19. Aug 8, 2016 at 7:21 PM
    #19
    ColoradoTJ

    ColoradoTJ [OP] I'm a boob guy.

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    I am at 78K.
     
  20. Aug 8, 2016 at 7:26 PM
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    Mike

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    That's the problem with ADD system. Even tho 4wheel drive in not engaged it still wears out components... Wish they would bring back manual hubs...
     
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  21. Aug 8, 2016 at 7:27 PM
    #21
    Mike

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    That's too early man... Way to early.
     
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  22. Aug 8, 2016 at 7:27 PM
    #22
    ColoradoTJ

    ColoradoTJ [OP] I'm a boob guy.

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    I know people with 4 point lifts...but the heals and mini skirt is a go!
     
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  23. Aug 8, 2016 at 7:29 PM
    #23
    Mike

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    Always here to help.... Remember we need pics....lol
     
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  24. Aug 8, 2016 at 7:30 PM
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    zcarpenter92

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    What exactly causes that? Someone shifting into 4Hi at full speed all the time or what?
     
  25. Aug 8, 2016 at 7:33 PM
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    Mike

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    When it's in the air you I'll need to engage 4wheel drive... If not nothing will turn in the front.
     
  26. Aug 8, 2016 at 7:39 PM
    #26
    Mike

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    Could be many things. To be honest. From bad bearings to pinion gear mesh to tight or loose, to contamination in oil, or diff was simply not spec right from the supplier missed qc..,

    Traction control shouldn't allow a unsafe engage in 4wheel at high speeds. If it does that's a over site.
     
  27. Aug 8, 2016 at 11:37 PM
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    2cID

    2cID New Member

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    There's also a tool called a chassis ear, great for chasing gremlins/nvh problems
     
  28. Aug 9, 2016 at 7:01 AM
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    ColoradoTJ

    ColoradoTJ [OP] I'm a boob guy.

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    I tried getting a sound clip of issue today. My iPhone just picks up all the road noise.

    I am also going to swap the front and rear tire to see if that moves the sound.
     
  29. Aug 9, 2016 at 7:23 AM
    #29
    Mike

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    In James Earl Jones voice( come to the power of the dark side) Android...
     
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  30. Aug 9, 2016 at 7:39 AM
    #30
    ColoradoTJ

    ColoradoTJ [OP] I'm a boob guy.

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    Been down that road. Like phones that work. Lol.

    image.jpg

    This shot is for you @Mike , the Jack stand you normally cannot see.

    The front and rear tires have been swapped.

    Need to find this issue guys. My neighbor has a Raptor and shakes his head as he drives by much as I have been under it lately. He even stopped yesterday and mentioned if I had a ford this wouldn't happen. :mad::rolleyes:
     
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