Buick Aluminum Brake Problems

Apr 9, 2018 9:35 PM - 390 Views Create A New Thread

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Cincinnati, OH

Buick Aliminum Brake Drum Problems and Questions
Guys, I have the Buick aluminum drum setup on my roadster. They never seem to function well. Last year I had to replace the shoes after a lining failure. It has passenger car shoe on it. I seem to have a chatter-ish type noise on one side now, especially on light braking. Full braking has always been marginal at best. My question...is there a different shoe design that I should be running with these drums? The drum diameter seems a bit larger that the stock Ford shoe dia. I bought this car in 05 and it came with these drums and shoes on it so I have nothing to back check to. I'm about ready to swap them for discs for they really dont stop well at all. Any ideas or suggestions are appreciated.


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  • will547
    Apr 10, 2018 at 9:36 PM

  • I put just the fast cut on the front drums on a 69 Camaro once and had that problem. The rough cut acted like a screw and pulled the drums away from the backing plate when I stopped. I went back and did the slow finish cut and the problem went away. I never thought it would be a problem but I learned my lesson.

  • Jaybird
    Apr 10, 2018 at 8:35 PM

  • Havent turned them yet. I just scored a nice Ammco brake lathe. So, as soon as I have it set up and dialed in I'll make a thin cut. Thats a good point because the shoes are only held in place by those goofy clips that Ford used. I'll check the diameters again to make sure that just the just the center of the shoe is making contact. I missed out on the shoe arcing tool. It was gone when I picked up the lathe. The Buick setup looks great but since I DRIVE my car...and hard, I enjoy stopping. I might swap them out for discs.

  • will547
    Apr 9, 2018 at 10:19 PM

  • Disc brakes are always better. Have you had the drums machined? I have seen a few that the cut when machined is too rough and the shoes were being pulled away from the backing plate causing a chatter every time the brake pedal was depressed.

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