I am having trouble with releasing the parking brake adjuster.
I am trying to remove the rear rotors. I cannot see or feel the adjuster to release the pressure holding in the rotor. Can i go somewhere to get a look at what I am trying to find? Or am I missing a new trick to get this rotor off.
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Re: I am having trouble with releasing the parking brake...
There's usually a small hole/slot in the back bottom of the hub assembly where a screwdriver can be inserted to turn the self adjuster. You need to turn it in the right direction to release pressure.
Make certain that you do not have your parking brake applied.
Most situations do not require any movement of the self adjuster. There is probably a corrosion ring along the outer edge of the drum. You may be able to get the drum to slowly come off by tapping the drum with a bubber mallet or large hammer.
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Apply service brake pedal three times with a force of approximately 175 lbs.
Fully apply and release parking brake three times. Full application may require two pedal strokes.
Raise and support vehicle, then mark relationship between wheel and axle flange.
Check parking brake pedal assembly for full release as follows:
Turn ignition switch to On position.
If ``Brake\'\' lamp is illuminated, operate manual brake release and pull downward on front parking brake cable to remove slack from pedal assembly.
Remove rear wheel and tire assemblies, then install two lug nuts to retain each rotor assembly.
If two parking brake levers on both calipers are not against lever stops on caliper housings, check for binding in rear cables and/or loosen cables at adjuster until both left and right levers are against their stops.
Tighten parking brake cable at adjuster until either the left or right lever begins to move off the stop, then loosen adjustment until lever moves back barely touching stop.
Operate parking brake several times to check adjustments. A firm pedal feel should be obtained by pumping pedal two full strokes and rear wheels should not rotate forward when parking brake is fully applied.
Install wheel and tire assemblies, aligning marks made in step 3.
There are 2 ways. It has rear drum in hat style brakes, meaning it has pads and rotors for basic brakes, but incorporated in the rotor is a drum with park brake shoes inside. Remove rear pads and rotors, check the condition of the park brake shoes. Tighten the star wheel adjuster while installing the rotor, keep repeating until rotor feels snug pushing on. Repeat other side reassemble. If still doesn't feel tight, there is an adjustment nut on the left rear side on the cable. The nut is where the 2 rear cables meet, it can be tightened. Do not tighten first, if you ever need park brake shoes later they will not allow the rotors to go back on.
I have a 2000 4x4 expedition and the parking brake has its own set of shoes. They are located behind the rear disc rotor. You have to remove them to get to the shoes. You will have to release the parking brake to get the rear rotors off.
Rear Disc Brake Caliper
Rear Disc Brake Rotor
Push Nut (2 Req'd each side)
Rear Brake Anti-Lock Sensor Indicator
Nut (4 Req'd)
Rear Wheel Disc Brake Adapter
Inner Wheel Bearing Oil Seal
Bolt (4 Req'd)
Rear Wheel Bearing
Disc Brake Caliper Locating Pin
Tighten to 27-54 Nm (20-40 Lb-Ft)
Tighten to 26-35 Nm (19-26 Lb-Ft)
The automatic (vacuum) release-type is standard equipment on all vehicles.
The automatic vacuum-type parking brake system contains the following features:
A parking brake release control motor (2A843) with mounting bracket bolted to the parking brake control .
The vacuum-actuated diaphragm within the parking brake release control motor which is connected by a rod to the upper end of the parking brake release vacuum hose (2B653) .
The parking brake release vacuum hose which connects the parking brake release control motor to the engine manifold through a vacuum release switch at the steering column tube (3514) .
The parking brake release control motor which is actuated to release the parking brake whenever the engine is running and the transmission is in a forward-driving gear.
The automatic parking brake control which has a manual release feature that releases the foot parking brake control by applying force to the parking brake control pedal in the "apply" direction to the point of initial application.
The parking brake control will return to the full-release position after removing the force.
Hope this helps. This is out of the factory manual. Let me know if this works for you.
NOTE: Tensioner adjustment is only necessary when the tensioner, or a cable has been replaced or disconnected for service. When adjustment is necessary, perform adjustment only as described in the following procedure. This is necessary to avoid faulty park brake operation.
Fully back off cable tensioner adjusting nut at equalizer to create slack in cables.
Remove rear wheel/tire assemblies. Remove brake calipers and rotors.
Verify park brakes are in good condition and operating properly.
Verify park brake cables operate freely and are not binding, or seized.
Check park brake shoe adjustment.
Reinstall rotors and make sure rotors turn freely.