Question about 2004 Pontiac Grand Prix

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How to Fully retract piston into caliper body using a "C" clamp

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The rear brakes on the 2004 need to be compressed with a special tool available at any parts store. You need to "screw" the caliper piston in instead of pushing it in with the "C" clamp.

Posted on Mar 09, 2010

  • jedwards2742 Feb 12, 2011

    Turning the piston clockwise with flat nose pliers did the job quite nicely!

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Open the bleeder valve a half turn before using the clamp or you can break the caliper piston seal

Posted on Feb 06, 2010

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1 Answer

Struggling to depress pistons on rear brakes. Hoave used G-clamp, Made a special tool with nut and bolt. Still struggling.


The pistons in the caliper should retract without much effort. A "C" clamp is usually all you need to do it. I suspect you have a seized caliper or possibly a kinked or crushed brake line (preventing the brake fluid from returning to the master cylinder when the piston is depressed) feeding that caliper - but isn't very likely.

Aug 16, 2016 | 2004 Proton Gen-2

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2011 jeep patirot rear caliper piston won't retract


I personally use a big C CLAMP gently squeeze it in

Apr 18, 2014 | 2008 Jeep Patriot

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Retract rear caliper piston


Try opening the brake bleeder. Some foreign models have a screw in the rear of the caliper that retracts the piston.

Oct 31, 2013 | Volkswagen Cars & Trucks

2 Answers

How to comress the piston to replace brake pads


2 ways:

1. If caliper is still on rotor, use a small scewdriver to gently pry between the rotor and rear pad. Once loose, use a larger screwdrive, but continue to pry gently and slowly until fully compressed.

2. Caliper off rotor. Put back pad in place and apply a c-clamp across pad to back of caliper. Slowly close clamp until piston is fully retracted.

OK?

Oct 01, 2010 | 2004 Chevrolet Malibu

3 Answers

How do you get the rear brake caliper piston to retract so you can change brake pads


It depends what type of Caliper Piston it is, if it has two grooves in it that criss cross like a X, those pistons have to be turned clockwise with a special tool or you can use a small screwdriver or I use the complete side of a small Vise grip that will fit inside the groove to turn the piston clockwise until it fully retracts into the caliper. The other type of Piston that has no special marks, you can use a C-Clamp and just put it on the Piston and tighten the clamp until the Piston fully retracts back into the caliper.

Jun 19, 2010 | 2008 Dodge Grand Caravan

3 Answers

1992 Honda Prelude Si brake caliper piston prob


As your car has a handbrake fitted to the rear calipers,you will need a piston wind in tool to retract the piston fully back into the caliper as when you adjust your handbrake the piston automatically winds itself to the required position for usage without this tool you are getting nowhere,so get hold of a tool to do the job and you should not have problem unless the piston has totally siezed on the screw then you will have a problem being the only way to repair would to be a new or refurbished caliper.

Feb 28, 2010 | 1992 Honda Prelude

3 Answers

I can't retract the rear calper on my 2002 Jaguar X-type. I am changing the pads & rotor. vem


What are you using? A c-clamp or you hands? A c-clamp ussually works but can sometimes cause the piston to become ****-eyed in the caliper. Best bet is to use the proper tool or a c clamp. Both work good. If it won't retract with those, the piston is siezed. Time for a new caliper.

Mar 08, 2009 | 2002 Jaguar X-Type

1 Answer

Retracting the piston in the rear disc brake


you need a C-clamp to do it! use a 1" thick block of wood between the piston and the clamp and retract it back. if there are two pistons MAKE SURE BOTH OF THE PISTONS RETRACT AT THE SAME TIME. AND BE SURE THAT THEY DO NOT GO IN ON AN ANGLE.

Jan 17, 2009 | 2002 Pontiac Aztek

3 Answers

Rear brakes on 1998 mercury sable


actually theres a special tool that connects to an air pump hose that expands the caliper back but you can use a vise if your very careful with pressing it back or locking clamp that you can use like a vise but this requires hand presure loosen bleed screw then use the vise

May 18, 2008 | 1998 Mercury Sable

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