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What can be the problem and how do I remedy it?
Sport & Outdoor – Others

How to Identify and Resolve Common Issues ?

We offer a diverse range of insights on identifying and resolving common problems in sports. Our sources encompass academic articles, blog posts, and personal essays shared by seasoned athletes. :

Before you reset the caliper piston, it`s a good idea to remove the cap that covers the brake fluid reservoir. If you don`t, you`ll be fighting against a significant amount of brake fluid pressure.
2-piston calipers use two brake pads and two pistons, one of each on either side of the disc. This gives you slightly better initial bite and brake feel, since both pads come into contact with the disc at the same time. This also means that both pads wear more evenly.
Seized caliper pistons can be removed with the hydraulic pressure off the brake system itself. After removing the caliper from the disc, pump the brake pedal to move the piston past the corroded section. You will then be able to disassemble and rebuild it.
The square cut seal is what allows the caliper piston to retract back into its housing. Just because you can manually push the piston in, doesn`t mean the square cut seal is working. Rapid brake pad wear, brake drag or brake pull are key indicators that the square cut seal is compromised.
Most likely dirt or corrosion on the piston, brake pad pin or the `floating` mechanism which may be on the caliper or disk depending on model. Taking them off and giving everything a good clean (with brake cleaner, nothing else) and where appropriate very careful lubrication would be a good start.
Disc brake calipers are resilient brake components and are expected to last as long as your vehicle. Your brake calipers realistically last anywhere between 75,000 to 100,000 miles or 10 years.
A fixed caliper`s operation is simple to understand. A fixed caliper does not move when the brakes are applied. There are pistons on both sides of a fixed caliper. When the brakes are applied, the pistons apply the brake pads on both sides against the rotor (See Figure 1).
Twin-Piston Calipers: Are Two Pistons Better than One? generate more torque. More torque means more stopping power. Also, by using the floating caliper design instead of an opposing piston design, engineers are able to avoid wheel clearance issues and other robust design features of the floating caliper.
Over time, dirt and grime can keep pistons from moving freely. This can result in pads not advancing far enough to provide adequate brake power, or pistons not retracting.
The only way to know for sure is to send the pistons out for a Rockwell or Brinnell hardness test, which can be expensive. Suyenaga suggests that careful inspection of the backside of the piston crown is a great indicator of piston condition.
For a large two-stroke piston ring with a bore of approximately 900mm, the overall life of the ring can be up to 24,000 hours and for smaller engines of 500mm bore, it can be up to 16,000 hours. For auxiliary marine 4 stroke engines having high speed, the piston ring life is usually lesser than the 2 stroke engine.
The symptoms of a piston failure can include engine noise (rattling or knocking noises while the engine is idling), oil burning, misfiring and loss of power.
Typically you`ll find four or six pistons per caliper. This is the type most commonly found in modern cars. Brake caliper pistons can be made from plastic (phenolic), steel or aluminium.
To even out clamping force, some multi-piston calipers use different-sized pistons. Typically, you`ll see smaller diameter pistons on the leading edge of the caliper and larger pistons behind it.
Dual-piston Calipers

Dual-pistons have a piston on each side of the caliper. Each piston extends the brake pads, clamping the rotor from both sides. Both retract when the driver releases the brake pedal. Dual-piston calipers are common on front-wheel-drive cars and trucks manufactured in the USA.

A 2 piston caliper has 1 piston on each side, and a 4 piston caliper has 2 pistons on each side. Since 2 pistons are wider than 1, the brake pads are also typically wider which means the brake pad`s surface area is larger, creating more friction and more stopping power.
4 piston brakes generally have better modulation than 2 piston brakes since the brake fluid is dispersed over more surface area behind multiple pistons. Rotors are also a key part in decreasing brake fade and increasing modulation. Larger rotors will give you more power and less heat, but your modulation will decrease.
Rear Brakes: Why Are They Different? Brakes don`t apply force and heat up at the same rate because of the distribution of mass and forces as your car moves. The overall vehicle design determines the brake bias from front to rear: Front brakes handle most of the braking force and build up most of the friction heat.
Yes, you can. It is, however, recommended that you open the top of your brake reservoir so that the brake fluid can easily return there while you are compressing the caliper piston. Heck, I don`t even do that if I`m working on something other than the brakes, but I need to remove the caliper to do it.
The most common causes of your brakes not releasing is a seized caliper or brake pad. This typically occurs due to rusting or ageing. Typically, you will notice your vehicle pulling to one side when you press down on your brakes.
After the piston compresses the fuel-air mixture, the spark ignites it, causing combustion. The expansion of the combustion gases pushes the piston during the power stroke.
The caliper is fed brake fluid through a banjo fitting which drives the piston forward towards the inside brake pad when the brake pedal is pushed. This causes the caliper to move along the slide pins which then pulls the outside brake pad up against the brake disc rotor.
Place the gauge╩╝s memory needles on zero. Start the vehicle. Apply the brake first using light to moderate force as if making a normal stop. Note the pressure readings, under this pedal force the front pressures should not be over 500psi in most vehicles.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

Replacing rear brake pads on a 2006 yamaha raptor 700
ANSWER : Open bleeding nipple slightly insert anything flat and push back piston ,lock bleeding nipple put pads in and pump brakes

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Fixing Rowenta lighter
ANSWER : Pull apart in 2 parts…

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How do i replace the fluid once i replace the front seal on the drive shaft ( 4 wheel drive )
ANSWER : Check where the speedo drive goes into the gearbox it could be the filler hole.

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I have a code 88 on my intex 8110. I have followed the directions for setup out of the standby mode. However, when I push the down button for a couple of seconds there is no short beep to prompt me to push the up button for a couple of seconds to start the programming mode. When I do push the up button, it has a fast pace, nonstop beeping as long as I have the button pushed. This was not a problem I had last year when I used it.
ANSWER : Code 88 – Startup/Standby for Intex 8110.Try hold down the left button for almost 6 seconds until it “beeps”, then
hold down right button for about 6 seconds until next “beeps”. That
should unlock the keypad.I hope this helps. Thank you and good luck!

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I have a 1984 yamaha enticer that has a seized motor… Yes i know if u dump oil down into the piston thatll work but my problem is that the one piston is down so when i pour oil in it just leaks out how can i get the piston up?
ANSWER : Hi, the only way you can move that piston while it sits in the cylinder is to find the main crank shaft, (located just above the oil pan). Fit a strong wrench to the bolt that attaches the pully to the crank, then, slide a length of steel pipe over the wrench for leverage. Start to rock the crank back and forth slightly but forcefully. Any oil that you poured will have seeped around the piston by now. make sure the other pistons are well oiled and give it a try.
Good luck.

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1988 Yamaha 4 wheeler slow crank
ANSWER : Put jumper cables from battery to starter directlyto see if it turns over faster put red on starter lead and black on gorund(metal housing)You may want to try this from a car battery to see if it spins faster if it does it indicates a problem with power from new battery check cables and lines for power blead

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My swimming pool. I have just had my fifth IC 40 Intellichlor chlorine generator installed in 4 years at a cost of over $900 today. Each one has worked for no more than 8 months. The first three were replaces under three year warranty, the fourth by a factory rep and I bought the fifth today. The first three all failed with Flow Chk PCB error message. The fourth just stopped working on Sunday, no power or lights. A local Pentair warranty person, whom I paid a Service Call, unplugged the unit, opened the small power center cover, showed me the green light indicating that there was power, plugged in a new IC 40 which worked immediately (as did the other four). I asked if I should replace the power center and he said that it’s basically just a transformer and is working fine. We do get occasional power blips that make the clocks on microwaves, etc blink, but I thought that the power center essentially isolates the cell from these. I do have a Florida Power and Light surge protector on the electrical box that brings power into the house. I have now talked to the pool builder, two Pentair warranty repairmen and one factory rep. I am at a loss. They all tell me they have no idea why these units fail after less than a year. This last IC 40 was installed 3/24/2010, version 2.0 and now failed in less than 5 months. Should I replace the power center that the IC 40 plugs into. Any other suggestions. I have been told that this is the best chlorinator. I don’t want to keep replacing units. By the way, each unit had been spotless inside. I keep the water chemicals and salt levels at ideal levels. The units have never worked long enough to get dirty inside. The power center is connected to an Intellitouch control system outside with an indoor control panel. Last time I called Pentair North Carolina and got some smart alec tech person that had no suggestions. Please Help if you can.
ANSWER : I’ve had the same experiance. On my fifth one as well. Fail every year. No idea why.

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