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  • gadget73
    replied
    rear rotor data

    1998 rear rotors, crosses 96-02

    Outside Diameter 11.215

    1995 rear rotor, crosses 91-95

    Outside Diameter 11.415

    Leave a comment:


  • gadget73
    replied
    1994 rear caliper data, rockauto crosses this 1992-1995

    Bore Size=1.885" Inlet Thread=M10X1.5 Bleeder Thread=3/8X24

    1996 rear caliper data, crosses 1995-2002

    Bore Size=1.88" Inlet Thread=M10X1.5 Bleeder Thread=3/8X24

    1994 front caliper data, crosses 1990-1994

    Bore Size=2.875" Inlet Thread=M10X1.5 Bleeder Thread=3/8X24

    1996 front caliper data, crosses 1995-1997

    Bore Size=2.6" Inlet Thread=M10X1.5 Bleeder Thread=3/8X24

    1998 front caliper data, crosses 1998-2002. Note this is a dual piston caliper

    Bore Size=1.884" Inlet Thread=M10X1.5 Bleeder Thread=3/8X24


    attached are pics of dissasembled 98-02 style front and rear calipers. Pics courtesy p71interceptor.com
    Attached Files

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  • gadget73
    replied
    Front rotor data, 1995-97 and 98-02 Info courtesy 2vmodular of p71interceptor.com

    also included for comparison's sake, the box front rotor data. 92-94 front rotors should be the same diameter, but they use a seperate hub bearing assembly instead of the integral hub that boxes use. No repacking of bearings on 92+ models.
    Attached Files

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  • gadget73
    replied
    Brake booster data, pics attached. Data courtesy 2vmodular from p71interceptor.com :

    1979-1987 crownvic
    Part Number 54-74200
    Diaphragm Type Single Diaphragm
    Diaphram Diameter 11 1/2


    1988-1991 crownvic except police
    Part Number Cardone 54-74214
    Diaphragm Type Single Diaphragm
    Diaphram Diameter 11 1/2

    1988-1991 crownvic with police and station wagon
    Part Number 54-74213
    Diaphragm Type Single Diaphragm
    Diaphram Diameter 11 1/2

    1995-2000 booster
    Part Number Cardone 54-73197
    Diaphragm Type Dual Diaphragm
    Diaphram Diameter 8 3/4
    Attached Files
    Last edited by gadget73; 02-06-2010, 06:56 PM.

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  • gadget73
    replied
    1990s master cylinder and proportioning valve data along with a picture of a 90s master cylinder with the prop valve threaded in. Also, a disassembled 1970s Ford truck combination valve. This is not identical to what exists on the Panther up to 1995, but the basic design is very similar. It is included here for references. The parts marked are as follows:

    A- Proportioning Valve: Reduces fluid pressure to rear brakes
    B- Metering Valve: Holds off pressure to front discs until slower rear drums can react
    C- Bleeder Rod: Must be pulled out when bleeding factory brakes (panther ones push in)
    D- Brake Light Warning Switch
    E- Pressure Differential Valve: Senses pressure imbalance
    Attached Files
    Last edited by gadget73; 02-06-2010, 07:08 PM.

    Leave a comment:


  • gadget73
    started a topic Brake system specifications

    Brake system specifications

    I've been collecting brake system information for my own research purposes, and I figured I'd share them here. This is a closed post, but if you have information that you feel belongs here, please post it in a new thread, and it will be merged in if appropriate. I would like to limit information to known reliable sources, preferably factory shop manuals, but manufacturer specs from reliable sources are also good.


    First post, the box brake system. All scans are from the 1986 Body Chassis Electrical manual for Crown VIc, Grand Marq and Towncar. Included are disc brake specs, drum brake specs, information about the valving present in the system, and the proportioning information for the frame mounted valve.
    Attached Files
    Last edited by gadget73; 02-06-2010, 07:28 PM.
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