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Its a bad cylinder spring

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Q: What causes rear drum brakes to over adjust?
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How do you adjust parking brake on a 2002 Explorer?

the emergency brakes are drum type brakes inside the rear brake disk on each wheel.if you know how o adjust drum brakes it is the same adjustment for emergency brake on this vehicle. on the back of the drum there is a small rubber cap. remove this cap and with a flat screwdriver or adjuster tool, you turn the the serated wheel inside the brake drum to adjust the brake shoes out till nearly touching the brake drum it is best to do this with the rear wheels jacked up off the ground, so you can spin the wheel while adjusting. by spinning wheel you will feel when brake shoe is starting to slow wheel and you will then know to stop adjusting. do this on both wheels if you over adjust you will burn brakes out and have to replace brake shoes. this is a pain as you have to remove the disk brake caliper and rotoar to get at the emergency brake


Hot to adjust rear brake cable on focus?

remove the boot, and tighten the adjuster nut. just don't over tighten it. your brakes will drag an overheat the drum :P


How do you adjust emergency cable in 2004 ford f250 supper cab?

good question. you do not adjust cable on emergency brake in 2004 f250. the emergency brakes are drum type brakes inside the rear brake disk on each wheel.if you know how o adjust drum brakes it is the same adjustment for emergency brake on this vehicle. on the back of the drum there is a small rubber cap. remove this cap and with a flat screwdriver or adjuster tool, you turn the the serated wheel inside the brake drum to adjust the brake shoes out till nearly touching the brake drum it is best to do this with the rear wheels jacked up off the ground, so you can spin the wheel while adjusting. by spinning wheel you will feel when brake shoe is starting to slow wheel and you will then know to stop adjusting. do this on both wheels if you over adjust you will burn brakes out and have to replace brake shoes. this is a pain as you have to remove the disk brake caliper and rotoar to get at the emergency brake


Are disic brakes the same as hydrolic brakes?

No. Hydraulic brakes can be either drum or disc brakes, and these two brake types are available as air brakes and air-over-hydraulic systems, as well.


What is true about disc brakes?

It has a superior design that features a greater braking force.


How do you adjust brakes on a 1992 ford escort station wagon?

The front disc brakes are self adjusting. The rear shoes should be adjusted by taking the drum off and adjusting the quadrant against the spring tension. Then reposition it until the drum just fits over the shoes. If your pedal goes down too far it is because the rear drums need adjusting up.


Why do you use front disc and rear drum brakes?

Front brakes provide about 70% of stopping force. Disc brakes have an advantage over drum brakes in that they can provide more stopping force without overheating (and thus loosing their stopping efficiency). I believe drum brake units are less costly to manufacture than disc brakes, so using them on the rear also saves manufacturing costs.


Why are disc brakes more powerful than drum brakes?

Simply a question of Force distributed over a much smaller area in the case of disk brakes (or higher pressure)


What causes a thin plastic-like film over the ear drum?

i have this film over the ear drum can you tell me what cause it barb


What statements is true about disc brakes?

Periodic front disc brake adjustment is needed to prevent rotor warpage


Is there anything special to do when changing the rear brakes on a 04 Dakota truck?

dont over tighten shoes to drum


How do you get drums back on rear brakes?

yo have to grease your 6 high spots on the edge of the backing plate, and then you need to bring your shoes in so you can clear the drum over them, to re adjust your shoes there is a star adjuster at the bottm of both shoes, make sure that you have your shoes just barely drag the drum because if you have to much clearence you will have a soft brake pedal