1996 Ford Bronco Brake Service (ONLINE REPAIR MANUALS)

Accessing Diagnostic Trouble Codes

• Ensure ignition switch is in Run position with engine off.
• Locate black RABS II diagnostic connector. Disconnect two halves of connector (one side has an orange/black wire attached to it).
• Attach a jumper wire to the orange/black wire side of the connector. Momentarily ground the opposite end of jumper for 1-2 seconds.
• The "REAR ABS" lamp should start flashing a diagnostic trouble code.

Diagnostic Trouble Code Interpretation

• Diagnostic trouble codes consist of a number of short flashes and ends with one long flash. Count short and long flashes to o...

Bleed primary and secondary hydraulic brake systems separately, bleeding the longest line first on each system. Do not allow reservoir to run dry during bleeding operation. Never reuse fluid that has been drained from the hydraulic system.

• Loosen master cylinder to hydraulic line nuts and wrap shop cloths around tubing below fitting to absorb escaping brake fluid.
• Depress brake pedal slowly forcing air trapped in master cylinder out at fitting.
• Hold pedal down and tighten fittings, then release brake pedal. Releasing brake pedal before fittings are tightened will allow air to en...

Normal Hydro-Boost units will produce certain noises that current technology cannot correct. These noises occur when brake pedal is manipulated in a manner not associated with everyday braking habits. Normal operating noise can be a hissing, clunk, click or a chatter.

If above normal pedal efforts are applied, the Hydro-Boost unit will emit hissing noises. These noises will be particularly noticeable with the vehicle motionless and will increase in intensity as pedal efforts increase and system operating temperatures increase. Loud hissing noises at or below normal pedal effo...

Bronco, E-Series & F-Series

Ensure booster rubber reaction disc is properly installed as shown, Fig. . A dislodged disc may cause excessive pedal travel and extreme operation sensitivity. The disc is black compared to the silver colored valve plunger that will be exposed after the pushrod and front seal are removed.

1992-94

The booster unit is serviced as an assembly and must be replaced if the reaction disc cannot be properly installed and aligned, or if it cannot be located within the unit itself.

• Disconnect battery ground cable.
• Disconnect stop lamp switch electrical con...

When working on or around brake assemblies, care must be taken to prevent breathing asbestos dust, as many manufacturers incorporate asbestos fibers in the production of brake linings. During routine service operations, precautions should be taken to minimize exposure. Do not sand or grind brake linings unless suitable local exhaust ventilation equipment is used to prevent excessive asbestos exposure.

• Wear a suitable respirator approved fo...

Replace

Aerostar, Explorer & Ranger

• Remove and discard a portion of brake fluid from master cylinder.
• Raise and support vehicle, then remove wheel and tire assembly.
• Use an eight inch C-clamp to move piston back into its bore as follows:
• Place head of C-clamp against caliper and screw end of C-clamp against outer pad below spring clip.
• Tighten C-clamp until torque buttons just clear caliper (approximately 1/8 inch). Remove C-clamp.
• Clean excess dirt from around pin tabs, then use caliper pin remover tool No. D89T-2196-A or equivalent and light hammer to drive caliper pin from caliper a...