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FORD BRONCO
-> BRAKE SYSTEM; 4WABS, RABS, Self Test...
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WELCOME to MIESK5's BIG BRONCO LINKS
This is a Ford Bronco, Truck & Van Technical, Parts & Vehicle Classifieds LINKS site developed by the MIESK5 Family and is not affiliated with the Ford Motor Company in any manner.
Although we initially developed this site for 78-96 Big Broncos, information in many Links also applies to Ford Trucks, Vans & Cars.
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Antil-Lock Brake (ABS) - RABS (RABS II 87-92) & 4WABS (93 - 96)
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Bleeding
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Brake & Clutch Pedal Shaft Bushing TSB 93-22-10 for 92 Bronco & F Series
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Brake Line
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Brake Parts Catalog, Part Numbers & Cross References, Ford
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Brake Shift Interlock, Inadvertent Disablement TSB 99-13-9 for 94-96
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Caliper
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Cylinder
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Disc Conversions
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Drum & Shoe
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Early Replacement of Brake Components, Rotors & Pads Due to Roughness Concerns, Ford for 82 to present
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General Information
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Line Lock
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Master Cylinder & Booster - Hydro Boost, F 350 Swaps
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Parking/Emergency Brake
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Pedal, Brake Parts Break-Out Diagram for 78-79
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Preventing Brake Vibration, due to overtightened and/or unevenly tightened wheel lug nuts Tip Rev TSB 98-5A-4 for 79-96
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Proportioning Valve
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Push Rod Retaining Pin, Brake. Improper Heat Treatment Recall info for 79 9V117000
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Rotor & Pad
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3rd Brake Light Installation for Soft Top, etc in a 96; "...I ran the wire into the paneling on the driver's side and tapped into the solid green wire at the rail to top connection...."
Source: by T-dogg (Mike T) at FSB
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3rd Brake Light Installation Mounted on Spare for Soft Top, etc. in a 92; "...Find the plug under the driver side panel and "tap" into the red/green wire (make sure this is the correct wire by pressing the brake light with a tester attached.) Put wire under the carpet or the black trim at the base of the carpet to keep hidden. Than ground the black wire behind your back panel. I have an amp so i used my amp ground.."
Source: by Joe'Bronco at FSB
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3rd Brake Light LED pics in a 95
Source: by Jim E (silent one) at SuperMotors.net
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3rd Brake Light Mod for Soft Top, etc. in a 96
Source: by T-dogg (Mike T) at SuperMotors.net
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3rd Brake Light Mounted on Spare pic for Soft Top, etc. in an 86
Source: by DixieBronco at SuperMotors.net
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Auto Repair Reference Center Repair Manual, Mostly Chilton; many local library's offer free online access for their members; just log-in w/your library Card # and password; incl. all Broncos, & many MAKES! 1951 to 2009; some years (85-96, I believe) include: FULL Technical Service Bulletins and Recalls, Labor Hours per repair (plug in appl info); Wiring Diagrams, Vacuum Diagrams (in DRIVEABILITY AND EMISSIONS CONTROLS Section), Specifications (torques, etc.) & Maintenance Intervals
Source: by arrc.epnet.com
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Brake Bible, General
Source: by Bill A (BillaVista) at Pirate4x4.com
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Brake Bible, General
Source: Christopher J L at carbibles.com
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Brake Fluid Level Switch Connector Location Diagram, Engine Area in a 91 4.9
Source: by Ford via chiltonlibrary.com
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Brake Light (Feed-Through Circuit in Multi-Function Switch (MFS), Hazard, Turn, Flash-to-Pass, Dimmer High & Low Headlight Testing & Wiring Diagram in 92-96; "...the MFS testing is done with connectors disconnected; it's strictly an internal test of the MFS; There is no testing for the WCM - you test the MFS, the wiper & spray motors, and the wiring. If they're good but don't operate, it has to be the WCM by elimination..." Miesk5 NOTE; Brake Light & Turn, High & Low Headlight Dimmer, Flash-to-Pass & Hazard CKTs are a Feed-Through Circuit in Multi-Function Switch (MFS)
Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Brake Light Switch Adjustment using a F 350 Switch in a 90
Source: by buggzz at FSB
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Brake Lights Will Not Turn Off, Short Circuits, Common Locations TSB 95-02-11 in 94-95 Bronco & Trucks
Source: by Ford via Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Brake On/Off (BOO) Switch 13480: The brake on/off switch tells the powertrain control module when the brakes are applied. The switch is closed when the brakes are applied and open when they are released. The PCM uses this signal to disengage torque converter clutch when brake is applied. Failed on or not connected — Torque converter clutch will not engage at less than 1/3 throttle. Failed off — Torque converter clutch will not disengage when brake is applied. DTC: 536, P1703. ..." READ MUCH MORE
Source: by Ford via Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Brake On/Off (BOO) Switch, Brake Light & High Mounted Stop Lamp, Back- UP Lamp, License Lamp, Turn Signal, Daytime Running Lights Module, Head Light, Hazard, Trailer Marker Relay, etc. Wiring Diagram in 92-96 Bronco & F 150
Source: by seijirou at SuperMotors.net
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Brake Pedal, Bronco Script pic in an 89
Source: by Tim C (TnTbronco2, Trail Truck, Street Truck, Crazed, Broke, OoG) at SuperMotors.net
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Brake Pressure Switch Harness & Component Location Diagram, Ford Part Numbers, Depictions, etc. from Ford Workshop Manual in 96 Bronco, F-150, F-250, F-350, F-Super Duty Chassis Cab & Motorhome Chassis; use your Browser's SEARCH (or FIND) function to locate what you seek in each Diagram, such as brake, etc.
Source: by Ford via thedieselstop.com
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Brake Pull Troubleshooting, General; "...The normal checks include: a) Oil, fluid or grease contaminated friction. b) Unmatched friction — never replace friction on only one side of an axle set. c) Rough surface on one rotor, in comparison to opposite rotor. d) Front end alignment. e) Brake hose or line restriction. f) Uneven tire pressure, size or tire wear characteristics. g) Loose hardware on caliper, mounting bolts, guide pins, etc. h) Worn suspension components. i) Seized caliper piston. j) Excessive runout or parallelism. k) Loose wheel bearings. l) Damaged wheel...."
Source: by Larry H at mightyautoparts.com
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Brake Shift Interlock Wiring Harness & Component Location Diagram, Ford Part Numbers, Depictions, etc. from Ford Workshop Manual in 96 Bronco, F-150, F-250, F-350, F-Super Duty Chassis Cab & Motorhome Chassis; use your Browser's SEARCH (or FIND) function to locate what you seek in each Diagram, such as brake, etc.
Source: by Ford via thedieselstop.com
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Brake Shift Interlock; "These (and many other) vehicles are equipped with a Brake/Shifter interlock for safety. This system requires the driver to hold the brake depressed before the shift lever can be moved from the Park position. There is an actuator (solenoid) on the left side of the steering column under the dash that disengages the shifter lock when the brake is depressed. In the event this system malfunctions, the shift lever may be stuck in the Park position. One cause of this complaint may be due to a faulty brake switch circuit. If you experience this complaint always check for blown fuses and brake light switch operation before proceeding with other work."
Source: by ATC-Distribution Group Inc. atcdg.com via web.archive
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Brake Warning Light Overview in 92-96; "...All vehicles use a brake warning light in the instrument cluster to warn of system malfunctions. The red warning light for the brakes can show three things; that either the parking brake is not fully released, that the brake fluid level is low in the master cylinder reservoir or the vacuum pressure is low on diesel engine vehicles. The anti-lock brake system uses one amber ABS warning light to alert the driver of malfunctions in the system. The amber ABS warning light will come on for numerous reasons. It warns the driver that the ABS has been disabled. Normal power-assisted braking remains but the wheels can lock during a panic stop while the indicator is on. Certain procedures must be followed to find the concern in this situation. Refer to «Section 06-09B» in the Powertrain/Drivetrain Manual for diagnosis and testing of the system.The yellow anti-lock brake indicator lights up for approximately two seconds when the ignition switch lock cylinder is first moved to ON or START for circuit prove out. The indicator also lights up when the RABS module detects a malfunction in the system. The self-test feature contains codes that indicate the area of the malfunction. When a malfunction is detected, the RABS control module shuts down the system and the yellow anti-lock warning indicator comes on. This permits normal braking. A code can be retrieved by momentarily grounding the diagnostic pigtail (black with orange stripe wire) after it is disconnected from KAM (keep-alive power red wire) and counting the flashes of the yellow ABS lamp. To make sure the diagnostic trouble code (DTC) is not lost from memory, the ignition switch lock cylinder must be left in the ON position before the diagnostic lead is disconnected from KAM power. If more than one diagnostic trouble code exists, only the first code stored will be displayed. Additional codes will be output only after the first fault is corrected..." read more
Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Chilton Manual for 66 - 81 Bronco, Scanned Copy
Source: by Chilton via broncocity.com
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DTC 536 - Brake On/Off circuit failure / switch not actuated during KOER test or shorted to ground
Source: by miesk5 at Ford Bronco Zone
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DTC 536 - Brake On/Off circuit failure / switch not actuated during KOER test or shorted to ground
Source: by miesk5 at FSB
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Front Disc Parts Break-Out Diagram in a 78 w/Nomenclature
Source: by Indybronco (Lula Mae) at SuperMotors.net
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Low Brake Fluid Switch Wiring Diagram, Haynes for a 78
Source: by Mike S (Broncster, BRONKSTER) at SuperMotors.net
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Multi-Function Switch (MFS) Wiring Diagram in 92-96 Bronco & F 150; for lighting only, turn signals, head lights, hazards, etc.
Source: by seijirou at SuperMotors.net
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Noise, Vibration, & Harshness Diagnostic Location Diagram & Worksheet
Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Parts Break-Out Diagram in 78-79 with out/Nomenclature
Source: by broncohq.com
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Repair Locations Grid & Coding, Bronco; used to pin-point location of a repair or component in a vehicle
Source: by Ford via Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Repair Price Estimator, Bronco from 90-96 and other Fords; including labor & parts, shops in area, by Zip Code
Source: by RepairPal
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Tire Circumference Differences; "...Uneven tire and rim sizes on a vehicle will result in inaccurate wheel speed information being transmitted to the ABS Control Unit. This faulty information will cause ABS Lock-Out or erratic operation..."
Source: by priorreman.com
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Vibration/Inspection Service Tips TSB 99-19-4 for 93-96 Bronco, F Series, Windstar, Econoline, Explorer, Ranger, Villager & many others
Source: by Ford via diesel-central.com via web.archive.org
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