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I have 2 questions. Please help!!

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by MudFrog, Sep 24, 2001.

  1. MudFrog

    MudFrog 1/2 ton status

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    First off I'm pulling the blazer out of the garage after doing my swap. Keep in mind I haven't changed the brakes yet. For some reason when I'm pulling away and I barely tap the brakes my 14 bolt just totaly locks up and I stop realy realy fast. Any ideas? I wanted to wait till next weekend to change brakes. But if ya'll think this is the problem I'll go ahead and do it.

    Second question. I dropped my TCase with the factory spacers. Now when my blazer screeches to a hault my tcase flies up and slams down on the skid plate. I'm thinking Transmision mounts are bad??

    89 K5 Silverado
    <a target="_blank" href=http://mudfrog.rockcrawler.com>http://mudfrog.rockcrawler.com</a>
     
  2. hammer

    hammer 1/2 ton status

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    tranny mount are bad by the sound of it but for the brakes maybe there just really good brakes!!!!!!!!!!!
     
  3. KrebsATM02

    KrebsATM02 1/2 ton status

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    did you take the drums off at all??? If not i'd at least take a look in there before you drive it. And yeah your mount is broken and it's on your t-case. Later - Doug

    Doug Krebs
     
  4. KrebsATM02

    KrebsATM02 1/2 ton status

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    did you take the drums off at all??? If not i'd at least take a look in there before you drive it. And yeah your mount is broken and it's on your t-case. Later - Doug

    Doug Krebs
     
  5. TorkDSR

    TorkDSR 1/2 ton status

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    the brake problem could be the proportioning valve. it sounds as though it may be sending too much fluid to the back too early. i assume the 14 bolt is in the back, course' rear wheel steering would be pretty fly.

    Tork DSR
    I just got a winch, it takes the fun out of things.
    http://www.torkpig.homestead.com
     
  6. MudFrog

    MudFrog 1/2 ton status

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    Ok.. I popped the drums off and the brakes look fine. They were expanded a little far so I retracted them. Now it seems like they will not auto adjust. I've tried pumping my brakes but I can't get them to auto adjust. Ya'll have any ideas on that? or do I need to pop the drums off again and manually adjust them? Also since they aren't autoadjusting do ya'll think I need to replace a part in there?

    89 K5 Silverado
    <a target="_blank" href=http://mudfrog.rockcrawler.com>http://mudfrog.rockcrawler.com</a>
     
  7. BurbinOR

    BurbinOR 3/4 ton status

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    Should have an adjustment hole in the backing plate that you can access to adjust them manually. If you are trying to adjust them by stabbing the brakes, make sure you are going backwards..............in reverse........lol. That's how they self-adjust.

    <font color=blue>'79 ONE TON TPI K5 - See it at---&gt;<a target="_blank" href=http://www.blazzinor.rockcrawler.com>www.blazzinor.rockcrawler.com</a>
     
  8. HarryH3

    HarryH3 1 ton status Author

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    Was there any lube on the brake shoes? If a seal leaks gear oil onto them, drum brakes will grab very hard. You'd think it would make them not work at all, but instead it makes them lock up easily. [​IMG]

    <font color=black>HarryH3 - '75 K5</font color=black>
    <a target="_blank" href=http://www.angelfire.com/super/ThunderTruck>www.angelfire.com/super/ThunderTruck</a>
    It's a great day to be alive...
     
  9. RedDwarf

    RedDwarf 1/2 ton status

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    Yep, and you can only get one click at a time. You have to go forward to reset it, then reverse again until they are adjusted.

    You might want to install a proportioning valve so you can adjust front to rear braking bias.

    Poundin' the ol "pavment"!
     
  10. MudFrog

    MudFrog 1/2 ton status

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    Here's where I'm at. I did not know you had to go in reverse to adjust them... my dad told me that early this morning so I was doing it wrong. Also.. I'm going to go ahead and replace the brakes and get all new hardware for them. There wasn't any oil on the shoes... they were just adjusted way too far out.

    89 K5 Silverado
    <a target="_blank" href=http://mudfrog.rockcrawler.com>http://mudfrog.rockcrawler.com</a>
     

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