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Rotor replacement

Discussion in '1973-1991 K5 | Suburban | Truck' started by Eagle86K5, Mar 5, 2000.

  1. Eagle86K5

    Eagle86K5 1/2 ton status

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    Well I bit off more than I can chew. Folks at the shop said $300.00 to replace front rotors. I went to store and got new ones for $30.00 each and decided to do it myself. Got one side off and was lost. Friend said I would have to press lugs out to seperate the hub from the rotor then replace rotor and press lugs back in,then I would have to get combo turned. Is there an easier way or do I return the rotors and spend $300.00? Thanks fellers....[​IMG]
     
  2. K5 NUTT

    K5 NUTT 1/2 ton status

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    Okay, all is not lost! Take a stock lugnut and thread it onto each stud until it is flush with the stud...then smack it squarely with a hammer to knock it out of there...the lugnut helps to prevent damage to the threads of the stud..allthought for about a buck apiece you could just replace all 12 while you are at it..i do this to save time. Gettin them back in is a little more tricky if you don't have a good air hammer at home like i do but you can do it...you will need a BFH...you can get a 4lb. at Sears rather cheap...next you will need a big solid steel rod or a brass drift...steel works better...know if you have the nice steel factory wheels i usually flip one over and use the rim as a jig to support the hub and rotor plus it guides the studs really good...the rest at this point is up to you and a whole lot of elbow grease!!! Then reinstall the hub adn rotor combo back on the spindle. By the way use a c-clamp or a pair of vise grips with the big u on the end along with a old pad to push the piston back into the caliper! After that you should be on your way...oops...also make sure you grease the caliper bolts and install some new caliper o-rings where the slide bolts go thru for a nice complete job! If you buy the GM pads (all i run) the pads will come with the new seals!!

    AZBLAZER

    1979 K5
    1976 K5 Chalet
    1972 K10 Suburban
     
  3. Esteban86K5

    Esteban86K5 1/2 ton status

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    I just did this to my Blazer about a month ago,
    Bought the rotors that were all ready turned and
    installed them myself. I then put them on the
    truck and went for a drive. I got to about 60 mph
    and the whole truck started to vibrate. I took
    the whole hub and rotor assembly and had it turned
    and reinstalled it and the vibration is gone. So
    I recommend you do have it turned. I asked the
    shop that turned them for me how much to remove
    old rotor, press new rotor and turn the hub and
    he said about 50 bucks. it would have been worth
    it for me cause of the time to switch rotors .
    You might want to get quote.
    Good luck

    Esteban[/b]
     
  4. Todd78/87

    Todd78/87 1/2 ton status

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    No,, you do not have to press out the lugs to separate the two,, just take the nuts off and tap, or beat the spindal with a rubber mallet. It comes right off.

    Todd 78/87[​IMG]
    [​IMG]
     
  5. Be sure that when you put the studs back in that you put a piece of wood or something soft under the hub so you won't damage the hub !!

    <font color=red>BigBurb<font color=red>[​IMG][​IMG]
     
  6. Texan

    Texan 1/2 ton status

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    If you bought new rotors you shouldn't need to have them turned. I redid mine two weeks ago and mine even had a mfg. note in with the rotor that said they were ready to run, as is. If you have vibe prob's, take 'em back and raise hell wherever you bought 'em because they aren't right. Also, if you want to add a killer tool to your collection that will make this job really easy, pick up a shop press from Harbor Freight Tools. You can get a 12 ton for under $100 and you'll get those lugs in and out with no problems. Also great for pressing/pulling bearings....

    Good Luck,

    <font color=orange>STEVE<font color=orange>[​IMG]
    89 Blazer
    67 Camaro 468
    68 CamaroSS 327
    98 GTP
     
  7. Eagle86K5

    Eagle86K5 1/2 ton status

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    Thank you for the help on the rotor replacement. I wish I had asked earlier before tackeling the heater core. Shame on Chilton's for making it sound so easy. Thanks again for the help!

    [​IMG]

    <font color=green>Eagle86K5
     
  8. cameronsaddress

    cameronsaddress 1/2 ton status

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    4wd

    New thread created
     
    Last edited: Dec 28, 2011
  9. British Slave

    British Slave 1/2 ton status

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    You need to see the demo of a counter sales person dropping a rotor from waist high and see just how much it will bend. ALWAYS turn new rotors! It will prevent a lot of headaches later.
     

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