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shaking braking

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Sammy, May 15, 2001.

  1. Sammy

    Sammy 1/2 ton status

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    I could (and have done) 100miles an hour. The rig does not vibrate at all. Until I break that is. What can be the reason?



    "K5 Grand GT Blazer Silverado in the Netherlands."
     
  2. ftn96

    ftn96 1/2 ton status

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    Sounds like your rotors need to be turned or you got some bad wheel bearings.

    Will work for beer, parts and tools.
    90-350TBI-TCI700-241-33"-10/12 bolt w/4.10's,
    <A target="_blank" HREF=http://www.nashvillek5.freeservers.com>http://www.nashvillek5.freeservers.com</A>
     
  3. Sammy

    Sammy 1/2 ton status

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    what do you mean by rotors being turned?

    "K5 Grand GT Blazer Silverado in the Netherlands."
     
  4. backlash

    backlash 1/2 ton status

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    Big question with a lot of answers! Could be a lot of things, but usually not a big problem.

    Most likely, the rotors are out of round. How many miles since pads changed? Ever turned the rotors? Has this gradually gotten worse? When's the last time tires baalanced? may even have bad front end components?
    Details! Details!
     
  5. Sammy

    Sammy 1/2 ton status

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    pads not yet changed. Could be it. But still, what is ment by rotor turning.

    "K5 Grand GT Blazer Silverado in the Netherlands."
     
  6. backlash

    backlash 1/2 ton status

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    If you were to look at the front edge of the rotor, and turn it, both inner and outer edges should be parrelel and run true (flat). Over time with normal wear this surface will become uneven. Especially if hot, then drive through a puddle of water over years. Quick change in temp, etc. and waters pretty cold there! LOL!

    This is an over simplification, but they can be checked with a dial indicator, but if they are that bad, you can probably see it! Sounds like you may need a brake job. R&R, clean and inspect bearings, turn rotors, and replace pads and service calipers.

    But give more details first

    PS Brandon you type too fast!
     
  7. Sammy

    Sammy 1/2 ton status

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    I will pull sume stuff apart when I get to it and then imput you with more details.

    "K5 Grand GT Blazer Silverado in the Netherlands."
     
  8. muddin4fun

    muddin4fun 3/4 ton status

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    A lot of parts stores will turn the rotors for you (shave the bumpy parts off). But beware! If they are too thin to turn, then you'll have to buy new rotors, so be ready for that expence.

    [​IMG]
    <A target="_blank" HREF=http://k5chevyblazer.homestead.com/home.html>http://k5chevyblazer.homestead.com/home.html</A>
     
  9. ftn96

    ftn96 1/2 ton status

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    Sammy, call around and make sure the place where you are taking your rotors to for the turning can turn your big ol 4x4 rotrs. I ran into that problem here in Nashville. Went to advance hauled them in there, nope we cant turn those things. "You said you could over the phone!!! " Make sure they know what your are talking about (4x4 rotors with hubs)

    Will work for beer, parts and tools.
    90-350TBI-TCI700-241-33"-10/12 bolt w/4.10's,
    <A target="_blank" HREF=http://www.nashvillek5.freeservers.com>http://www.nashvillek5.freeservers.com</A>
     
  10. 2Dogs

    2Dogs 1/2 ton status Premium Member

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    Sammy,
    I think they are suggesting you pull the rotors off the truck and take them to a shop that can 'turn' them. (Mounting rotor onto a lathe and have the lathe cut the rotor on both sides with centerline fixed - creates new true braking surface). Do this with every pad change if you can. The worst part is pulling hub - the re-surfacing should be around $20 - $25.
    Watch the process if you can - it is hard to describe.
    Dave
     
  11. fr8train

    fr8train 1/2 ton status

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    Also there are shops that can do your rotors while still on the truck. It cost me $45 per side. And took them only an hour for that step. I had other stuff they were doing for me too.

    I think someone got a line of poo. They(autozone and advance) have turned the rotors from our D60 on the work truck. I just think they got lazy.

    [​IMG] Dont steal my truck..I dont need anymore worthless junk over my fireplace.
     
  12. 2Dogs

    2Dogs 1/2 ton status Premium Member

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    On the truck... that is great! $45 is probably worth it.
    Who got a line of poo?
     
  13. fr8train

    fr8train 1/2 ton status

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    Brandon or ftn96

    [​IMG] Dont steal my truck..I dont need anymore worthless junk over my fireplace.
     

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