What bolt size can be used to remove brake drums?

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Thread: What bolt size can be used to remove brake drums?

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    Default What bolt size can be used to remove brake drums?

    This morning I decicded to remove the wheels from my 2005 two-wheel drive Tundra so that I could check the condition of the brake pads and brake shoes. I had no problem looking at the disc brake pads, but both drums are stuck on. With this model truck there is a guard around the outer edge of the rear brake drums and there is no way to grab the drum and pull it off or tap the edge with a hammer. The drums are rusty at the hub which makes the problem worse. In my Haynes manual it shows that there are two threaded holes in each brake drum where I can screw in bolts to help remove the stuck drums. But it does not say what size bolt to use. I assume that it will be a metric bolt size. Does anyone know what bolts I need that can be threaded into the tapped holes in the brake drums to allow me to unstick the drums so that I can remove them and examine the brake shoes?

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    Junior Member Rotts's Avatar
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    Default Re: What bolt size can be used to remove brake drums?

    Not sure of the bolt size, but you may have to back off on the adjustment of the brake shoes then pull of the drum. The shoes may be holding it.
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    Default Re: What bolt size can be used to remove brake drums?

    as above poster stated, back off the shoes. then spray the hubs with a rust cutter and let it soak. you can then tap the drum with a hammer.
    Don't use the bolt holes. if the hub is stuck, you will bend the face of the drum.

    ask me how I know. I ruined a set of drums on a 4runner.

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    Default Re: What bolt size can be used to remove brake drums?

    I read somewhere the bolt size is 8mm X 1.25, but I haven’t tried it yet….

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    Default Re: What bolt size can be used to remove brake drums?

    Just a stupid, quick question: Did you make sure that you released the e-brake before trying to pry them off? (don't ask me why I'm asking this question!!)
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    Default Re: What bolt size can be used to remove brake drums?

    I still have the package from the bolts I bought to remove the rear drums, it's M8x30 pitch 1.25. I think the 30 is the length, you can use that or longer.
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    Default Re: What bolt size can be used to remove brake drums?

    I had to back the star adjusters way off before the drum covers would come off with the bolts. Once I backed them off enough, the covers popped right off with the bolts. You'll be able to tell if the adjusters are not backed off enough - the bolts will move the drum cover out easily a short distance, then it will hang up on the wear ridge.

    You'll know you're adjusting the star adjuster in the wrong direction if you aren't able to turn the drum by hand any longer (pushing the pads into engagement).

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    Default Re: What bolt size can be used to remove brake drums?

    Inside this pdf should explain what ya need to know! hope it helps!
    Attached Files Attached Files

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