Question about 2008 Mazda MAZDASPEED MAZDA3

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Removing the Caliper compressing the piston.

Is it just me or are the pistons extremeley hard to compress in order to remove teh caliper. I had a rough time with teh right rear ended up hammering it off as I was replacing everything anyway but I need to change the left side now and dont want to go through the same ordeal. How can I compress the piston to get the caliper off the disc. I tried the screw driver between the pad and disc but it didnt go so well.

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  • Mazda Master
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Try with bleeder cracked open slightly, pry with one hand, and while piston retracting, and you have clearance you need, tighten bleeder. As long as fluid is coming out, no air will enter right?

Posted on Jul 13, 2009

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Posted on Jan 02, 2017

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1 Answer

How do you compress the break caliper on a 2004 Kia sorento


IS THIS A REAR OR FRONT CALIPER?
1. FRONT CALIPER: INSERT A LARGE C CLAMP WITH THE SCREW END INTO OPEN BORE OF CALIPER PISTON, THE STATIONARY END SHOULD BE SNUG AGAINST THE CALIPER END HOUSING: THAT THE PISTON MOVES IN AND OUT OF
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2. REAR CALIPER: RENT AT AUTOZONE A REAR DISC CALIPER COMPRESSION TOOL. THESE CALIPER PISTONS WIND IN CLOCKWISE, INSTEAD OF JUST SLIDING BACK INTO A SMOOTH BORE. THEY HAVE GROOVES THAT FOLLOW A MATCHING SET IN THE CALIPER HOUSING.
FURTHER QUESTIONS?....JLGPROP@YAHOO.COM

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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.
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If you open that bleed screw to compress the piston you'll have to bleed tha air out of the system, so don't open the screw. Use a 5" or 6" C clamp to compress you pistons IF they are not the screw in type - you can call your local auto parts store to determine that. If they are the screw ins, the parts store may have a piston compression kit to rent you for the job, as the piston would need to be rotated slightly as it is compressed. Do not try to just compress the screw ins - you'll break the caliper and have to buy a new one.
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How do you reset caliper piston on the rear of a Pontiac G6 2006 car?


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Can I depress rear caliper piston with G clamp


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1 Answer

Can not get rear break piston to compress to allow for new pads


The rear disk brake piston does not compress back into the caliper, it has notces on the caliper piston that a tool fits into and the caliper piston is actually turned or screwed back into the caliper, and a notch in the piston must also be aligned to fit the the small protrusion from the backing plate of the inner brake pad.

The brake tool can be obtained from most auto part stores, and it is usually square with protrusions sticking out from the sides in different patterns to fit various caliper pistons, and it usually attaches to a 3/8" drive extension and ratchet.

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How to compress rear brake calipers


take calipers loose from rotor.then take large c clamp and put one side on the piston the other side on backside of caliper.the tighten c clamp untill caliper is compressed;oh yea before you do ant of this remove cap from 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.
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Good luck, but try to use the tool.

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