Re: adjusting emergency brakes on 2006 ford freestyle sel...
I just did mine today, and did not have this problem. I screwed the caliper back in (right side CCW, left side CW) using the autozone loaner tool. No problem once I figured out they were opposite. Did not touch the e-brake at all. They self adjusted as designed and everything works. You need to un-do the adjustment you made if you were able to reassemble.
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read the workshop manual as you have not determined the make and model of the vehicle
most rear disc brakes have a screw adjustment that you have to move to get the hand brake to come into contact with the piston to get the hand brake to activate the pads
you need a tool to turn the piston to get it to go back into the caliper. if you don`t have the proper tool you can use a pair of adjustable pliers to turn the piston back but be careful to not damage the piston rubber boot.
bleed the brakes so that there is no air
apply the foot brake and use the hand brake to adjust the thread to the back of the piston
the slots in the pistons are only to screw the piston back along the thread to get the new pads in
For front brake pads replacement you need only usually wrench set, inclusive 7 mm allen key also. But for rear brake pads replacement you need obligatory a special caliper piston pressing tool, in order to press back rear caliper piston with parking brake automatic adjustment!!! For front brake pads. You should buy the brake pads (with wear sensor). For change front brake pads you must raise vehicle, remove wheels, extract the retaining spring of the caliper, and remove the caliper as follow: 1. Do not disconnect the brake hose from the caliper, and do not allow the caliper to hang by the brake hose! 2. Remove top and bottom caps (on back side of the caliper) for access to guide pins, then unbolt and remove them from the brake carrier. Remove the caliper. 3. Now you must thoroughly clean the brake calipers (free of grease). 4. Remove outer brake pad from brake carrier. 5. Pull inner brake pad out of brake caliper piston. 6. Check up the brake fluid level on the reservor, and emptying if neccessary! 7. Push piston back into brake caliper housing. 8. Install inner brake pad (with expanding spring) in brake caliper piston. (Arrow marked on pad - if exist, must point in direction of brake disc rotation when vehicle is moving forward). 9. Install outer brake pad into brake carrier. 10. Bolt brake caliper housing to brake carrier using two guide pins. Tightening torque is 25 Nm. 11. Install both caps. 12. Insert retaining spring into brake caliper housing. Important: Depress the brake pedal firmly several times while the car is stationary so that the brake pads adjust to their normal operating positions!!! Check brake fluid level and top up if neccessary!!!
Clockwise-on the rear
I would open the bleeder valve first, push piston in,then screw parking brake in.
You need to flush your brakes every couple years,anyway.
After you install new pads,ratchet brake up by hand.
The rear callipers contain the hand brake mechanism, they need to be wound back to install the new pads, have a look in your local car part suppliers/accessory shop, the correct tool is about £10 or so. You can wind it back with a screw driver and a "G" clamp, they need to be wound clockwise when you look at the piston through the calliper frame, use a large screwdriver in the notches in the piston to turn it, sometimes the screwdriver needs to be sideways, this will be fiddly as you can usually onlt turn 1/4 of a turn at a time, squeeze the piston back with the clamp after a turn or so and repeat untill the piston is back enough to allow the pads in.
You can screw the rear caliper pistons back in, by using a needle nose pliers and turning the cross or x notch in a clockwise direction. both caliper pistons will turn the same way. The reason they "screw" out, is for positive locking pressure when the parking brake is engaged.
You can compress the piston with a large C clamp. Screw type pistons are generally at the rear, when caliper is also used as emergency brake. I generally use the inner brake pad to protect the piston from damage while compressing it. If it does not retract it may be frozen or the rubber line going to it has internally failed. After completing change, pump brake a few times to re-set piston position so you have brakes.