Question about 1994 Mazda 626

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Telstar tx5 rear disc brake piston will not retracted

When fitting new read disc brake pads, how is the caliper piston compresed back in to the caliper.

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  • madhatter755 Jun 19, 2009

    i have a propper brake piston srew clamp wich works on everything else that ive used it on in the past, but it does not line up central on the rear. i wanted to know if there was something more spacific that deeded to be done,first or insteed e.g. like screwing the piston in like you need to with some other makes and modles

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You take the bolt from behind the cylinder and then you should see a 4mm allen key head. turn it and push cylinder in. take the bleeder valve off to relieve any pressure also and while screwing with an allen key its important to know that it is leftr hand thread. :)

Posted on Jul 05, 2009

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Must be carefull but i use the old brake pad and do some leverage using a wood piece...it might sound basic but it works and the piston never suffer any wear

Posted on Jun 19, 2009

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Changing rear brakes on 2009 gold wing. replace outer pad and use screw driver to push pistons back. question, new pads much thicker than old worn out pads how do you open caliper so new pads fit


hi Ed.
It's nearly time to install the new brake pads. But there's one more step to complete before you can do that. You have to manually retract the caliper piston.
If you look at the inside of the caliper you'll see a cylindrical piston coming out -- this part pushes on the inboard side of the brake pad. You'll see that it has adjusted itself to match your worn-out pads, so you'll need to reset the piston to its original position before the caliper, along with your new (and thicker) brake pads, will fit over the rotor.

Before you reset the caliper piston, it's a good idea to remove the cap that covers the brake fluid reservoir. If you don't, you'll be fighting against a significant amount of brake fluid pressure.
Now that the reservoir cap is removed, this is the part where you'll need that C-clamp. Place the end with the screw on it against the piston. You can use a small piece of wood to protect the surface of the piston, if you choose. As you turn the screw, the clamp will increase the pressure on the piston. Keep tightening it until you're able to slip the new pads into the caliper and fit the caliper and the new pads over the brake rotor.
If you find that the piston isn't properly retracting, don't force it. You may have a caliper that's been designed with a piston that slowly turns as it extends. If that's the case, then you'll need a special tool to thread the piston back into the caliper. A brake caliper tool -- a tool specifically designed to retract this type of brake caliper piston -- is available for purchase at most auto parts stores. If you can't find one there, then you can order the tool online -- or if you're really lucky, maybe your neighbor will have one that you can borrow for the afternoon.
Once the brake caliper piston has been fully retracted, you can re-cap the brake fluid reservoir. It's not a good idea to leave the cap off of your brake fluid reservoir for any longer than is absolutely necessary. Debris or even water may find its way into your brake's hydraulic system. Brake fluid is hygroscopic, which means that it absorbs and retains water. Water in the brake lines leads to serious safety concerns and more complex repairs than the relatively simple pad replacement that you're finishing up with right now.
Installing the new brake pads themselves is just a simple matter of slipping the new pads into the slots where you found the old ones. If they don't easily fit in with your hands, you may want to tap them in gently with a hammer or rubber mallet. Then, replace the pins or bolts that held them in place and you're nearly done.
Next, move the caliper back into position on the brake rotor. Make sure it fits snugly, and tighten the bolts that hold the caliper in place. Make sure everything is back in place and then give the brake pedal a few pumps from inside your car just to make sure the pedal feels right to you. It may take several pumps of the pedal to get the brakes to properly seat themselves into their new position.
The rest of the brake repair is easy. Put the wheel back on, tighten the lug nuts, remove the jack stands and lower the car to the ground using your jack. It's just like changing a tire. Remember to fully tighten (and properly torque) the lug nuts once you have the vehicle back on the ground.
Also, don't forget to test drive the car to make sure that your brake work was successful. Fixing brakes is one thing; making sure they work properly is another.

if you need more info go to this link.
there is youtube videos showing you how to do it.

how do you open brake caliper so new pads fit Google Search

Nov 26, 2017 | Cars & Trucks

1 Answer

How to put rear brakes on


Remove the caliper mounting bolts and remove the caliper. Replace brake pads as necessary. Special tool is required to retract caliper piston to fit over new pads. (see picture below)
Retract piston in caliper using special tool to rotate clockwise and make sure the notch in the piston is aligned properly so the tab on the inner pad will fit in properly.
Reinstall caliper assembly and caliper mounting bolts.


5_28_2012_9_32_09_am.jpg

May 28, 2012 | 1997 Honda Accord

1 Answer

2006 Kia Spectra 5 rear brake disc replacement


One side,turns right,and push in slightly,and the other side turns left,to retract.

Apr 20, 2010 | 2007 Kia Spectra5

1 Answer

Need to replace rear brake discs and pads


YOU NEED TO REMOVE THE REAR WHEELS.REMOVE PARKING BRAKE CABLE CLIP FROM CALIPER DISCONNECT PARKING BRAKE CABLE.HOLD THE GUIDE PIN WITH A BACK UP WRENCH AND REMOVE UPPER MOUNTING BOLT FROM THE BRAKE CALIPER.SWING THE CALIPER DOWNWARD AND REMOVE THE BRAKE PADS.TO INSTALL NEW PADS.YOU HAVE TO RETRACT PISTON INTO THE HOUSING BY ROTATING THE PISTON CLOCKWISE.PUT EVERYTHING BACK VISA VERSA.

Feb 24, 2010 | 2002 Jaguar X-Type

3 Answers

Changing the front brake pads on a 2006 Pontiac Montana SV6


no that is only the older rear calipers on gm and others. the fronts do not have that style caliper and sound like the calipers are frozen and may be way your changing the pads. try opening the bleeder screw and then compressing them if they go then you need need brake hoses and if not you need calipers. god luck man

Dec 13, 2009 | 2005 Pontiac Montana SV6

1 Answer

Cannot fit caliper w/new pads on rotor(rear brakes)


Squeeze the pistons with large pliere to get a little more clearance

Aug 30, 2009 | 2006 Ford Five Hundred

4 Answers

Replace rear brake pads on a 2000 grand marquis


rate as fixya if this is what you need. Thanks

  1. Remove the rear disc brake caliper (2K327).
  2. Remove the brake caliper bolts.
  3. Lift the rear disc brake caliper off the rear disc brake caliper anchor plate (2B582).
  1. sya~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not allow grease, oil, brake fluid or other contaminants to contact the brake pads.
    Remove the brake pads by pushing inward and rotating the pad up.
  1. NOTE: Use a block of wood or used pad to protect the piston and boots.
    Retract the caliper piston (2196) into the rear disc brake caliper.
cf7b02c.gif

Mar 15, 2009 | 2000 Mercury Grand Marquis

1 Answer

Removal of brake calipers and pads on 1992 xj6 jaguar


Hi Jasa

Unless you are mechanically competent, I would not advise you carry out this procedure yourself, but leave it to the professionals.

If you are mechanically minded, and competent, the pads are relatively easy to replace, as follows.

Jack up the vehicle and put on stands, if you don´t have access to a hoist?

Remove wheels, and open the hood, put some kitchen roll around the brake fluid reservoir, to catch any excess brake fluid, when you push back the brake caliper pistons, if it´s been overfilled.
On the front brake caliper's, you are best to put in a little lever between pads and disc, and ease back the piston to fully retracted, unless you have a small G clamp which will do the same job when caliper is adrift.

Remove the 2 x 13mm caliper securing bolts and swing off the caliper, and support with a piece of wire, don´t just let it dangle on the brake hose.
Remove the brake pads, and sensor wire, check the caliper piston dust cover for splits, and clean caliper, housing, etc, and disc, with brake cleaner.

Fit the new brake pads to the caliper, and refit with 2 new securing bolts with blue lock tite, (normally supplied with the B/Pads.)

The rear caliper´s are pretty much the same as the front, although you can just undo the top bolt and swing the caliper back, but I usually remove both, for ease of cleaning, and inspection.

After rear caliper´s and pads and sensor wire, and new bolts are fitted, pump the brake pedal with the ignition on, and just run around, and check there are no leaks from the caliper pistons.
Check the fluid level, and lower with suction syringe if necessary.

By the way, 1. When did you last change your brake fluid ?
2. Adjust your front wheel bearings end float ?

You could do this now before you fit the wheels.?

Let me know if you wish the details for that too ?

Good luck !

Don´t forget to give me a FixYa rating please !

John.





Then refit wheels, drop down the car,

Jan 27, 2009 | 1992 Jaguar XJ6

1 Answer

Rear brake pad installation 99 volkswagen passat


If you can't see diagrams(sometimes happens) let me know and I will get them to you

  1. Raise and support the vehicle. Remove the rear wheels.
  2. If equipped, disconnect the brake pad wear sensor from the harness.
  3. Counterhold the lower sliding pin using a thin open-end wrench and remove the caliper-to-sliding pin hex bolt.
  4. Pivot the caliper upward or if necessary remove the upper caliper-to-sliding pin hex bolt.
  5. Using a brake caliper retraction tool, select the appropriate sized piston press arbor and install the tool onto the brake caliper. Following the tool manufacturer's recommendations, use the tool to rotate the caliper piston clockwise as it is pressed into the brake caliper housing, until it is fully retracted.
0900c152800c30b8.jpgUse a thin open-end wrench to . . . 0900c152800c30b7.jpg. . . support the caliper sliding pin when removing the caliper mounting bolt 0900c152800c30d7.jpgUse a disc brake caliper piston retracting tool that will rotate the caliper piston as it is pressed into the caliper 0900c152800c30d8.jpgThe rear caliper piston is slotted to allow a retracting tool to rotate the piston when replacing the brake padsTo install:
  1. Clean the brake caliper and all sliding surfaces. With the caliper piston pressed fully back into the caliper housing, check for leaking fluid and damaged dust boots.
  2. If equipped, install a new brake pad wear sensor in the pad if the plastic part has been worn through on the old sensor. New sensors are not required unless the wire inside the plastic part has been exposed.
  3. Lubricate the slider bolts with approved brake grease.
  4. Install the brake pads onto the bracket assembly, and then carefully lower the caliper over the caliper mount. Check and make sure that the pad springs are correctly seated.
  5. Replace all removed caliper-to-sliding pin bolts and torque to:
  6. 1990-97 Passat models: 25 ft. lbs. (35 Nm)
  7. 1998-00 Passat models: 22 ft. lbs. (30 Nm)
  8. If equipped, connect the brake wear sensor wire to the harness. Check for a good connection as most problems with the sensor circuit are caused by faulty connections. Check that the wire is held by the loop in the dust cover and the connector is held at the clips.
  9. Install the wheels and hand tighten the lug bolts. Lower the vehicle carefully until the tires begin to contact the surface and torque the lug bolts to specification in a crisscross pattern to:
  10. M12 x 1.5 lug bolts: 81 ft. lbs. (110 Nm)
  11. M14 x 1.5 lug bolts: 89 ft. lbs. (120 Nm)
Feel free to contact if you have any questions

Nov 15, 2008 | 1999 Volkswagen Passat

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