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  • #1

    Power Brake Vacuum Booster

    I have an S10 Blazer '86 and I need to change the booster. From my books it looks pretty straight forward, 6 bolts and the brake pedal rod. Is this one of those "nightmare" jobs or fairly simple. Do the brake lines have to come off or can the M/C be pulled ahead enough to do the job?

    Thanks
    '86 S10 Blazer 4WD, '87 2.8 with 3.1 crank and pistons, A.R.I. "Stage 2 Cam", Iron Heads with stiffer springs, Holley TBI, Manifold bored to fit the TBI Base(4.3 size), Fiero Covers, MSD Coil, DynoMax Muffler and 2.5 Tailpipe, no cat, Auburn Limited Slip, 3.73 final Drive. 700R. '85 Fiero GT 3.4 Hybrid, relieved top intake and exhaust, 57mm TB, Auto. 3.06 final drive.
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  • #2
    Not familiar with the S10 setup, but it is not that bad in my W-body. In my car (1988 Cutlass Supreme), I just had to remove the master cylinder (just 2 nuts) undo the brake rod, then I used a prybar to rotate it, and release it (using the 2 studs for the master cylinder to twist it.

    I didn't have to undo any of the brake lines, or anything.

    Took me about 30 minutes to do what I needed to do.
    Taylor
    1988 Olds Cutlass Supreme 3100 MPFI
    1990 Pontiac Grand Prix STE 3.1 MPFI
    1994 Olds Cutlass Supreme convertible
    1998 Lincoln Mark VIII
    "find something simple and complicate it"

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    • #3
      Thanks for the reply. I have had trouble with access with the S10, but the lines was what I was worried about.
      '86 S10 Blazer 4WD, '87 2.8 with 3.1 crank and pistons, A.R.I. "Stage 2 Cam", Iron Heads with stiffer springs, Holley TBI, Manifold bored to fit the TBI Base(4.3 size), Fiero Covers, MSD Coil, DynoMax Muffler and 2.5 Tailpipe, no cat, Auburn Limited Slip, 3.73 final Drive. 700R. '85 Fiero GT 3.4 Hybrid, relieved top intake and exhaust, 57mm TB, Auto. 3.06 final drive.

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