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  1. #1
    Member Tepot's Avatar
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    Sep 2005
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    Moncton, NB, Canada
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    311
    Corvette(s)
    1974 Metalic Blue L-48 Coupe 4 speed

    Default Need help with Changing a Caliper

    HI,

    I have one caliper that is leaking. I will replace it with a new one soon.

    Is there anybody that as a diagram to show me how to change this caliper myself.

    I've never done any break work on a car so If anyone can help me it would be very appreciated.

    could be easy or difficult. I wouldn't know.

    I will have to buy a service book for my car. Will be very handy if I want to do the work myself on that car.
    1974 Corvette Coupe L-48 4 speed manual transmission

  2. #2

    Join Date
    Jan 2002
    Location
    Washington, Michigan
    Posts
    7,279
    Corvette(s)
    '67 Marina Blue Convertible

    Default

    The procedure is shown step-by-step in the factory shop manual. I'd recommend you change both calipers and pads on that axle (front or rear), not just on one side; if one's leaking, the other side will soon follow. Not a good idea to have a new caliper and pads on one side and an old caliper and old pads on the other.

  3. #3
    Member Tepot's Avatar
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    Sep 2005
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    Moncton, NB, Canada
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    311
    Corvette(s)
    1974 Metalic Blue L-48 Coupe 4 speed

    Default

    Quote Originally Posted by JohnZ
    The procedure is shown step-by-step in the factory shop manual. I'd recommend you change both calipers and pads on that axle (front or rear), not just on one side; if one's leaking, the other side will soon follow. Not a good idea to have a new caliper and pads on one side and an old caliper and old pads on the other.
    Ok. I'll need the shop manual then. I thought maybe someone had those procedures from the manual already scanned. I will have to order a shop manual for my car

  4. #4
    GaryS
    Guest

    Default

    You will find that this is a very simple job. The hardest part is getting a good bleed from the new caliper so that you get a good hard pedal. As has been suggested, go with the GM Service Manual. Very straight forward.

  5. #5
    Johan's Avatar
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    Feb 2002
    Location
    Eksjo, Sweden
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    366
    Corvette(s)
    1974 red coupe, 1969 yellow vert

    Default

    Some useful links can be found here:

    http://wiki.corvettefaq.com/index.php?title=Brakes

    1974 Coupe, 350 L-82, M21 4-speed
    1969 Convertible, 350 L-46, M21 4-speed

  6. #6
    Member
    Join Date
    Jan 2005
    Location
    Southern California
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    233
    Corvette(s)
    1981 Two tone silver / dr grey

    Default

    I have found that a good inspection of the brake lines and related mounting clips before starting work may well reveal additional parts needing replacement so you can have them on hand when you get started. Otherwise you will get delayed in getting the job done smoothly. Brake lines on older car, especially ones that have been worked on before may very well be burred, or have been cross threaded or otherwise damaged and should be replaced as well. You may also need some flare wrenches or have a good set of lock tite pliers, brake line fittings often become frozen and regular open end wrenches will only round off the nut fitting on the lines. Also replace any brake lines that are cracked, damaged, etc; they will only cause problems down the line. I have found that getting loaded (pads included) calipers really make life easier, also consider getting stainless steel (sleeved) calipers, they last a lot longer and some places like Auto Zone offer life time warranty calipers. I put a set on the front of my 81 several years ago and they are still working well. Did have one start leaking, Auto Zone replaced it with out issue.
    You will need a helper when it comes time to bleed the brakes, one with car repair experience will help reduce trail and error delays.
    Note: If the existing reservoir brake fluid is dark / dirty looking, you should purge the entire system as part of the job, (before installing new calipers), no point in contaminating them with old / dirty fluid. Extended bleeding of the brake lines until clear fluid is seen will serve to get the purge done, I find that bleeding the rear first works best. You may find, like my 81 it's rear calipers have two bleed fittings to get more of the air out Ps: Get a large size container of brake fluid, you will need it, especially if purging system, don't attempt to re-use old fluid in the system.

  7. #7
    Member AdvancedAutoCC's Avatar
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    Jan 2004
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    Cape Coral, FL
    Posts
    444
    Corvette(s)
    '96 coupe (Torch Red), '85 4+3 coupe (flat black)

    Default

    Quote Originally Posted by JohnZ
    The procedure is shown step-by-step in the factory shop manual. I'd recommend you change both calipers and pads on that axle (front or rear), not just on one side; if one's leaking, the other side will soon follow. Not a good idea to have a new caliper and pads on one side and an old caliper and old pads on the other.
    ALWAYS replace calipers in pairs... Another suggestion is to avoid the "parts store" replacement type calipers and get a pair (or set) of VBP's O-ring style calipers - money well spent.
    Robert Williams
    got nitrous? Get it at:
    Advanced Automotive of Cape Coral
    (239)573-9933
    www.advancedautocc.com

    ASE Master Auto Technician

    "There are two uniquely American vehicles that have NEVER been successfully copied: The Chevrolet Corvette, and the Harley-Davidson motorcycle. I'm fortunate enough to own both....God Bless America!"

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