Question about 1993 Mercedes-Benz 190

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I can't compress the caliper piston with a c-clamp. I opened the brake fluid master cylinder ( i think, no diagram given in manual and everything in german) How do I release this compression?

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Loosen bleed fitting on caliper to depress, but I feel you made need a new/rebuilt caliper possibly, I know that some honda's require a special tool which exerts a lot more force at a slower rate...

Posted on Oct 03, 2010

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Front or rear caliper? If its the real you may need a special tool that turns the piston at the same time it pushes.

f its the front than I would say the caliper is bad and needs to be replaced.

Posted on Oct 03, 2010

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Did you try opening the bleeder screw on the caliper it self. If you still can't compress the piston back into the caliper after opening the bleeder screw you may have a caliper that is locking or locked up. Sometimes a big pair of channel locks and a lot of muscle can compress the caliper again. If not you may need to replace the calipers. Make sure to ask for rebuilt verses new. there is a huge price difference.

Posted on Oct 03, 2010

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1 Answer

Replace brakes on auto


you need remove 2/3 brake fluid from master cylinder either use large pliers or large Clamp compress piston back into caliper bore be careful dont damage caliper piston seal when compressing piston.

Apr 02, 2013 | Cars & Trucks

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How to compress back brake calipers when installing new ones


You open the rear caliper bleeder valve as it is
near impossible to push fluid to the front of car

Then you turn the caliper piston clockwise-to turn
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Two functions-piston turned in & pushed in

You line up the piston notch to the top-so the
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After the caliper & pads are on & before you start the
car & bleed the 4 corners & then push brake for a firm
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They don't make a tool for an LS

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How do you reset caliper piston on the rear of a Pontiac G6 2006 car?


YOU NEED LARGE C - CLAMP TO COMPRESS PISTON IN CALIPER BORE.REMOVE SMALL AMOUNT BRAKE FLUID FROM BRAKE MASTER CYLINDER RESERVOIR FIRST BEFORE YOU COMPRESS PISTON. AFTER REMOVING A LITTLE BRAKE FLUID.AND COMPRESSING CALIPER PISTON IN BORE.PLACE MASTER CYLINDER RESERVOIR COVER BACK ON.WHEN FINISHING REPLACING BRAKES.PUMP BRAKE PEDAL UNTIL BRAKES FEEL SOLID AND FIRM CHECK BRAKE FLUID LEVEL.DONT DRIVE VECHICLE IF BRAKES DONT FEEL FIRM OR SOLID.

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How to compress front brske caliper


YOU NEED TO REMOVE 2/3 BRAKE FLUID FROM MASTER CYLINDER.THEN YOU WILL NEED A LARGE C -CLAMP.OPEN C - CLAMP PLACE C - CLAMP OVER TOP BRAKE CALIPER AND AGAINST THE BACK OF THE OUTBOARD BRAKE PAD. THEN TIGHTEN THE C -CLAMP UNTIL THE CALIPER PISTON IS PUSHED INTO THE CALIPER BORE JUST ENOUGH TO SLIDE CALIPER OFF THE ROTOR.WARNING WHEN FINISHING BRAKE JOB.PLACE COVER BACK ON MASTER CYLINDER.TAKE FOOT PUMP BRAKE PEDAL UNTIL YOU GET SOLID BRAKES.THIS SEATS BRAKE SHOES AGAINST THE ROTOR.THEN RECHECK BRAKE FLUID LEVEL IN MASTER CYLINDER.

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4 Answers

How do i get the rear caliper compressed on a G6


For the rear you need to turn the piston as you crank with the C clamp. It's a lot easier with the right tool. Any good parts store has the tool. The tool to use is a universal brake caliper tool, I picked mine up from Pep boys for $10 bucks. The tool fits on a socket wrench and you turn it clockwise to depress the piston into position.
If everything is apart and you don't have an extra car, just used a pair of sturdy needle nose pliers to get int the groves and twist, no pressure needed.
Tork it down just enough to get the caliper back on. Once it is all bolted back up you will pull many many times on your e-brake handle to tighten the piston back up against the new pad.
Good luck, but try to use the tool.

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1 Answer

How to replace brake pads on a 1998 ford taurus


Too extensive to explain and diagram here; however,
Go to the "Reference Section" at your local public library.
Find the Chilton's or Motor's manual for the 1998 Ford.
Photocopy the pages you need using the public copy machines (10 ~ 20 cents per page).
You will need a large C Clamp in order to compress the brake caliper piston back into the wheel cylinder. Remove some of the brake fluid from the master cylinder; the fluid will "back-up" into the master cylinder reservoir when you compress the caliper piston.
Only two long bolts hold the floating caliper in place.

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3 Answers

I got the old pads off but cannot get the caliper back on. The rod will not go back into the rubber boot.


You will need a larger sized C clamp to slowly push the caliper back into its boot. Make sure your brake fluid reservoir kid is OFF,..allowing for the fluid to go back into the reservoir. Once you have placed the C clamp around the caliper, take an old brake pad and place it across the round piston...place part of the clamp over this pad and tighten the clamp..Do not place the clamp directly on the piston, you may damage it or compress it in crooked. so place a used pad across it. Push the piston back in untill its almost flush with the boot, making sure no dirt is on the silver exposed piston..u dont want dirt to go back inside the boot. Once its in, refit the caliper to its mount with the new pads.

Sep 12, 2009 | 1999 Ford Expedition

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I need step by step info to replace my front brakes for a 04 xter


I suggest that you visit the autozone.com website and register the car. It doesn't cost anything and you will have access to an online repair manual for the car. Pretty handy. The steps for replacing the brakes should be available there. Hope this helped and best wishes.

Sep 04, 2009 | 2004 Nissan XTerra

2 Answers

How to compress caliper to fit new pads


Use a "C" clamp. Position on the piston and when you tighten it up it will compress the piston in the caliper. Remember to loosen the cap to your master cylinder, as you will be forcing brake fluid back into it. When you remove the "C" clamp the caliper will stay open long enough to align on the rotor.

Jul 14, 2009 | 2000 Volkswagen Beetle

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.
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