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  1. #1

    Default Brake Booster Question

    Hello All,

    Working on an 85 GT here. How does one go about checking out the brake booster to make sure it's in good shape? As an FYI, the car was taken off the road in the early 90s and not driven regularly since. Everything worked fine at the time it was parked but of course it's been sitting for almost 30 years.

    Thanks in advance!

    BG

  2. #2
    FEP Power Member
    Join Date
    Nov 2007
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    San Mateo, CA
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    2,271

    Default

    Pull the vacuum hose off, plug it and test the brakes. Put the hose back on the test the brakes again. Make sure it is getting vacuum from the engine.
    Fox Body/3rd Gen MCA Gold Card Judge
    84 SVO 24K miles, 85 Mclaren Capri Vert. 84 GT Turbo Vert.
    88 Mclaren Mustang Vert 20K miles, 89 Mustang LX Sport Vert,
    03 Mach 1 7900 miles, 74 Mustang II, 69 Mustang, 67 Mustang, 07 GT500,
    14 Mustang CS/GT, 15 F150 FTX Tuscany, 16 F250 Crewcab, 67 Tbird 47K miles

  3. #3
    FEP Power Member mcb82gt's Avatar
    Join Date
    Jan 2004
    Location
    Olathe, Kansas
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    2,108

    Default

    brake pedal will be very hard, like manual brakes if its not working.
    Mike

    Now stang-less.

    88 Cougar 5.0

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