Question about 2009 Dodge Journey

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Changed frt and rear brake rotors and pads. Need to know how to compress the rear caliper piston with built in park brake

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The piston must be rotated as it is pushed into the caliper. There is a special tool for this that is sold at just about all parts houses. The tool looks like a small square with various pins for various applications that goes on the end of your 3/8 drive ratchet.

Posted on Feb 02, 2010

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Need a special tool it turns the piston and compress it at the same time some part store do loan tools like that (auto zone or advance auto parts if yot have one around)

Posted on Feb 02, 2010

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1 Answer

Driver rear tire is locked in reverse but going forward is fine. Hand brake is off. I really need help with this guys. Anything is better than nothing. Thanks


Check the MECHANICAL (parking) brake shoes BEHIND / or on the inside of the rotor of the rear wheel in question.

If the piston isn't coming out on the caliper to allow the pads to squeeze the rotor - that make explain why the pads / rotor look good - they're probably not being used.



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Oct 29, 2015 | Cars & Trucks

1 Answer

Rear rotor replacement for a 1985 mercadies benz 500 sel


YOU NEED TO SAFELY RAISE SUPPORT REAR OF VECHICLE ON JACKSTANDS. MAKE SURE VECHICLE PARKED ON SOLID LEVEL GROUND. YOU NEED TO SIPHON JUST A LITTLE BRAKE FLUID OUT OF THE MASTERCYLINDER.BECAUSE YOU NEED TO USE LARGE C - CLAMP TO COMPRESS FORCE PISTONS BACK IN THE CALIPER BORES USING LARGE C - CLAMP DOING THIS WILL ALLOW YOU ENOUGH ROOM INSTALL NEW REAR BRAKE PADS.TO REMOVE REAR PADS ONCE YOU COMPRESS PISTON BACK IN THE CYLINDER BORE. YOU CAN TO REMOVE REAR BRAKE PADS BY REMOVING RETAINING PINS IF EQUIPPED OR BRAKE PADS HELD IN PLACE BY RETAINING BOLTS.ONCE YOU HAVE NEW REAR BRAKE PADS INSTALLED.PLACE MASTERCYLINDER COVER BACK ON TOP OF MASTERCYLINDER THEN PUMP BRAKE PEDAL TO SEAT NEW REAR BRAKE PADS AGAINST THE ROTOR UNTIL BRAKE PEDAL FEEL FIRM AND SOLID.THEN RECHECK BRAKE FLUID LEVEL IN BRAKE MASTERCYLINDER ADD LITTLE MORE FLUID IF NEED DONT OVER FILL MASTERCYLINDER.

Sep 11, 2011 | Mercedes-Benz 500-Class Cars & Trucks

1 Answer

Changing the rear brake pads and can't compress the piston into the caliper- any ideas? 2003 rendezvous


FIRST REMOVE SMALL AMOUNT OF BRAKE FLUID FROM THE BRAKE MASTERCYLINDER. THEN USE A LARGE C - CLAMP AND LEAVE THE OLD BRAKE PAD IN PLACE ON PISTON SIDE THEN COMPRESS THE PISTON IN CALIPER BORE. IF YOU SEE SIGNS OF BRAKE FLUID LEAKING AROUND PISTON SEAL.THE BRAKE CALIPER NEED REPLACING.WHEN YOU FINISH BRAKE JOB NEW BRAKE SHOES IN PLACE MAKE SURE BRAKE MASTERCYLINDER COVER BACK ON MASTERCYLINER THEN PUMP BRAKE PEDAL UNTIL NEW BRAKE PADS SEAT AGAINST BRAKE ROTOR.CHECK BRAKE FLUID LEVEL IN MASTERCYLINDER MAKE SURE ITS NOT LOW.

Aug 12, 2011 | 2003 Buick Rendezvous

1 Answer

Frt brake rotors go out of balance with in 7 weeks after replacing rotors and pads, has happened 5 times.I have replaced the rotors 3 times and have turned the rotors the other times, how to fix frt...


I presume that you mean that they warp. There is nothing about rotors that could cause them to go out of balance, and even if they did, you would not notice it because the diameter and resulting inertia of a rotor is relatively small on the wheel assembly.
This car has four piston front calipers. When you work on the brakes, are any of the pistons more difficult to press back than the others? A sticking piston will press on the hot rotor after you park the car. The pressure and uneven cooling can warp it. Most folks these days buy rebuilt calipers rather than rebuilding their own. Mass production rebuilders can rebuild calipers more efficiently and better then you can, but if you buy rebuilt calipers, visually check them to make sure that the rebuilder did not mis-match the two halves of the caliper (i.e. bolt two outside halves together) as this is possible to do and has been known to happen. If this is done, only one half of the caliper will work.
If the front pads are not wearing evenly, it can be caused by a sticking piston, but also remember that both brake fluid circuits feed each of the front calipers. If one circuit is not working well due to a failing master cylinder or a loose rear wheel bearing, it is hard on the front rotors and may contribute to warping. Loose rear wheel bearings have the same effect on brakes that loose front wheel bearings have, if the rotor has excessive lateral movement due to the loose bearing, it forces the pistons far back into the caliper, so the master cylinder has to move a lot of fluid on that circuit before the brakes start to engage.
Finally, rotors that are poorly made from non-homogeneous metal will tend to warp as they heat and cool. For the bargain conscious, I have had good luck with Mexican-made Brembos. They rust like crazy, but they are reasonably priced and I have used them for years on several of my cars and have never had one warp yet.

Jul 09, 2011 | 1993 Volvo 240

1 Answer

Steps to replacing rear brake pads


A special tool is required to compress the caliper piston on the rear brakes-don't use a C-clamp on the piston.
Raise the vehicle and remove the tire. The rear calipers have only one guide pin. Remove this pin and raise the caliper. Remove the old brake pads. Using the special tool compress the caliper piston-the piston will have one or two slots on it. These slots must in the correct position to remount the caliper. Install the new brake pads and slide the caliper back over the rotor and replace the guide pin. If the caliper doesn't slide over the rotor you'll need to reset the slots on the piston. Replace the tires and you're ready to go.

Jan 01, 2011 | 2000 Buick LeSabre

3 Answers

Compressing the rear disc brake caliper on 2008 grand caravan


The rear calipers on these models require a special tool that compresses and turns the piston in at the same time -- most parts stores carry this tool.

It is called a caliper piston press -- and it installs where the pads would go and acts like a c-clamp,when turning handle it will turn the caliper piston backinto the caliper as it compresses it.
Anytime the brake rotor or brake pads are being replaced, the rear caliper piston must be seated (bottomed) to compensate for the new brake rotor or lining. Because the Parking Brake self-adjuster mechanism is attached to the piston, a special seating method is required. The only acceptable method is by rotating the piston back into the bore using Retractor,MILLER Special Tool 8807, . Any other seating method will damage the self-adjuster mechanism.
Good luck and hope this helps.

Mar 07, 2010 | Dodge Caravan Cars & Trucks

2 Answers

What tools do I need to replace the rear brakes and the rear rotor


There is a cheap brake piston retractor kit they sell at Harbor Freight that helps a great deal, because you have to rotate the pistons in the rear calipers, as you push them back in. That is because the rear brakes also act as parking brakes, so can't be allowed to retract. That is all you really need in the way of tools except for the right socket/torex/allen for the caliper bolts. I don't know that exact size/shape of the bolt heads because they change.

Jan 20, 2010 | 2006 Volkswagen Passat

1 Answer

Picture of 1999 Chrysler Cirrus rear disc parking brake system. Is parking brake operated by rear caliper? If so, is there a special procedure for moving the piston inward when replacing the brake pads?


Parking brake is operated by a cable and not the caliper. Your car has disc brake pads for squeezing the rotor to stop, the parking brake has drum type brake shoes that push out on the inside of the rotor. Changing the disc pads only requires squeezing the piston back in like usual.

Nov 06, 2009 | 1999 Chrysler Cirrus

2 Answers

Inner brake calipers aren't contacting the rotor at all -- car is '99 Buick Century. Can they be made to work or do we just replace the whole caliper?


You may have bad rotors that are not up to par as even if the rotors are off by .05mm, it will allow the rotor to slip between the pads.

You should have your rotors inspected... and if that's not the cause, then change your calipers

Sep 09, 2009 | 1999 Buick Century

2 Answers

How to compress the caliper cylinder


The piston doesn't screw in, that is usually for vehicles with rear disc brakes that incorporate the park brake in the caliper. The correct way for yours is to open the bleed screw and compress the piston. The most common (shade tree) way is to simply use a screwdriver and pry against the rotor pushing the piston back. Some pistons are ceramic so be careful not to crack it. If you pry between the old pad and rotor you should be ok.

Apr 21, 2009 | 1994 Eagle Vision

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