how to change brake pads on a hyundai se i have done every thing but the caliper will not go back enough to?
How To Change Brake Pads August 31st, 2009the new pad but the cyliper just will not go back enough ? i have one in but the other will not go. i have released some of the oil ,
help please
for got to say back brakes lol
if its the rear pads it will need a wind back tool to get calipers to go back. so dont try pushing it back with things like c clamps (may cause damage). the type of wind back tool for your hyundai should be available for your parts stores tool section, as there not anything to special like new audi’ which need diagnostics. the piston will need winding back until it just fits round the pads (not all the way back) if you go to far you will not be able to get a good handbrake.
you should be able to get a suitable tool for around £15
August 31st, 2009 at 6:18 am
go to a mechanic
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August 31st, 2009 at 6:36 am
Use a c-clamp to push the piston back in.
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August 31st, 2009 at 7:14 am
Is it front or rear brakes you are doing?Front pistons,go into a caliper, doing one side at a time,get some one to slowly press the brake pedal,this will bring the piston out,then lever it back in. keep doing this until the piston is full back.Rear pistons may have to be screwed back into the caliper if they wont go back like the fronts?
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Mechanic 37 years
August 31st, 2009 at 7:41 am
Some cars like Nissan use ratcheting caliper cups for the parking brake.
If you’re trying to compress the rear calipers, they may be the same type.
Using a paint scraper, or really big flat screwdriver, turn the cup to the right, or is it left….? while pushing in.
No guaranties. Just a thought.
ADDED:
Oh, make sure the parking brake is OFF.
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August 31st, 2009 at 8:04 am
make sure you are putting even pressure, on the piston. When you put a G cramp, onto one side of the piston, it tends to jam it!
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August 31st, 2009 at 8:23 am
If the caliper is too stiff to compress with a set of channel lock pliers then use a C clamp. If you have to use a C clamp compress the piston all the way in and then back off the clamp 3/8 of an inch and stroke the brake pedal until the piston moves out to the clamp, compress the piston again, repeat several times until the piston moves smoothly. After installing the new pads on both sides press the pedal several times until the pedal is firm then check the fluid level in the brake master cylinder reservoir and if necessary top it off using New brake fluid of the correct specification ( DOT 3 or DOT 5 as specified in your owners manual ) from a sealed container - fill to the marked Full line or the bottom shoulder of the fill opening.
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30 years behind the wrench.
August 31st, 2009 at 8:55 am
after you loosened the bleeder and the piston still won,t go back then it,s froze up and you will have to buy a new caliper.
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August 31st, 2009 at 9:27 am
it may req a piston wind back tool too push the piston back
http://www.shop-com.co.uk/+-a-brake+piston+wind+back+tool-p31029647-g1-k24-st.shtml
does it have two little indentations on the piston face if so a wind back tool is best it can be wound in with a clamp and turning with a pair of grips but it would probably damage the dirt boot
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August 31st, 2009 at 10:17 am
if its the rear pads it will need a wind back tool to get calipers to go back. so dont try pushing it back with things like c clamps (may cause damage). the type of wind back tool for your hyundai should be available for your parts stores tool section, as there not anything to special like new audi’ which need diagnostics. the piston will need winding back until it just fits round the pads (not all the way back) if you go to far you will not be able to get a good handbrake.
you should be able to get a suitable tool for around £15
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mechanic
August 31st, 2009 at 11:07 am
The pistons need to be compressed back into the cylinder to allow the new pads to be fitted. You need to remove the filler cap on the brake fluid reservoir, make sure that if it close to full that you remove some of the fluid or it will over spill out of the top of the reservoir and ruin your paint. The you need to push the two sides of the pistons back in at the same time, this can some times be a little difficult as the pistons can pop out from one side of the other. The way I normally do it is to use a small "G" clamp to push them together.
Ja.
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