For a one-piston, single-action caliper, place a rag between the piston and the bracket for the second brake pad. Replace Pads. Worn out pads. Identify Brake Pad Wear Patterns. #2 · May 21, 2021. Step 2: Be aware of outer pad wear. When you squeeze the brake lever, you should see the pistons hitting the pad. Outer pads wearing more than inner pads may indicate guide pin problems. The pad on the piston side contacts first, releases last and is almost always touching lightly. Make sure all pistons are engaging the brake pad. FEA-optimised geometry ensuring maximum body stiffness for minimum caliper weight. . Service told me that it would be 89. Damaged or contaminated rotor – the rotor’s surface is Jan 28, 2012 · MCS uneven brake pad wear. 0 coins. 5 times more brake contact area than the bike and has to dissipate 3. Just replaced the rotors and brake pads on this vehicle within the past 3 months. The driver side was worn down completely through the pad while the passenger side still had plenty of pad on both the front and back. Is it normal for the brake pads to have such uneven wear? Advertisement Coins. If the pads are misaligned, irregular wear is inevitable. Regularly checking brake pads on heavier vehicles is important for safety. kawasakipartshouse. They also can begin to wear unevenly leading to vibrations or pulsating while braking. Each pad should be worn smoothly, without any taper 6. One of the primary red flags that suggests a warped brake rotor is the presence of uneven wear on your brake pads. If the caliper pins are not free moving, the brake pads As a final word on the subject, uneven brake pad wear may be due to incorrect fitting. Apr 8, 2019 · Daniel Weiss. must be either machined or replaced. Inboard brake pad wear is the most common brake pad wear pattern. There is no spongy or sticky issues with brakes. I took my 2016 XLE in for 15,000 mile service today and they said both front brake pads were wearing unveven. Sep 7, 2014 · Uneven front brake pad wear. Uneven Brake Pad Wear I was changing my brake pads since I could hear the wear indicators. Motorcycle maintenance is key to a smooth and safe ride and knowing the signs of a warped brake rotor is crucial. 1 Misaligned Brake Caliper 2. If the pads are tough sliding into the calipers you may have this problem and need to clean the rust out. The truck has about 5. Jump to Latest Follow Jan 30, 2019 · GM Tech Tip: Uneven Brake Wear. I just replaced both the front and back brake pads on my 2004 honda element. If you feel grooves, it needs to. Prior to the replacement the rear brake felt great and wasn't spongey or soft at all. 2. I could not find anything that appeared loose or faulty after an exhaustive search. www. With that extended amount of time (all be it small) in contact with the rotor, the piston side pad will Sep 20, 2007 · Rust in this area can cause a pad to stick or drag and then you get uneven wear. Reduced braking efficiency, irregular, wear, noise and judder. As your rotors are the other part of this stopping process, they also do wear over time. The caliper guide pins are essential to the disc brake system. Hydraulic issues can keep the caliper pistons from extending and releasing cleanly. Check for Pad Wear: Over time, brake pads can wear down, reducing their effectiveness in stopping Feb 22, 2024 · Uneven wear on the pads; Deep grooves or scoring on the pads; Keep an ear out for that groaning sound and take prompt action to ensure your rides remain smooth and safe. Squeeze the brake lever to align the pad with the rotor. #3 · Sep 10, 2022. To prevent the frustrating experience of a sticking caliper, there are proactive measures you can take. i upgraded my brakes about 9 months ago to power stop extreme. When the brakes are applied, the pads rub against the rotor, leaving behind a layer of Jul 27, 2017 · Remove the pads, springs, clips, piston insulators, and any other hardware around the caliper’s pistons. Jump to Latest Uneven brake pad wear on the front. This is an example from one vehicle with uneven wear. This ensures even braking performance. Not completing brake bedding process can result in uneven distribution of brake pad material, which can result in brake pulsing. During a brake inspection, some complaints of uneven front brake pad wear have been reported. Feb 6, 2024 · Diagnosing Uneven Brake Pad Wear. Regular maintenance and inspections can help prevent premature brake pad wear. If you’ve determined that uneven brake wear is due to worn brake pads, follow these steps: Replace All Pads: It’s advisable to replace the brake pads on both wheels of the same axle, even if only one side is worn. rotor. This phenomenon is actually caused by deposits of brake pad material on the surface of the rotor, not warping. This can cause vibrations and uneven braking when applied, making it difficult to control the motorcycle and potentially dangerous for the rider. This usually happens when a hot rotor comes in contact with cold water. Caliper pins didn't appear to be stuck, and I lubed them with a 3M silicone paste upon replacing the pads in September. My brakes are stock and when I removed the pads from both calipers one pad was petty much wore all the way down and the other pad still had lots of pad on it. They also advise riders to use high-quality replacement pads that are specifically designed for their motorcycle’s braking system to ensure optimal performance Sep 27, 2023 · 02. If you replace the pads but leave the grooved rotors, the. Aug 14, 2023 · Start by parking your motorcycle on a level surface and ensuring that the engine is turned off. On a floating caliper brake system, it is normal for the inner to wear faster than the outer – but this difference should only be 2-3mm. Tip for young players so you don’t have to take the pads out to find their ok. #1 · Jul 3, 2014. Clean and Lubricate: Clean the caliper guide pins and ensure they May 24, 2009 · 131 posts · Joined 2008. Uneven Brake Pad Wear. When I took out the old pads I noticed that the rear ones had major uneven wear - one side was almost worn down to the metal, whereas the other side still had a lot of pad left. As a final word on the subject, uneven brake pad wear may be due to incorrect fitting. Jul 25, 2016 · Signs of even brake pad wear are indicated by equal amounts of material on both pads for each tire. Ideally, your brake pads are supposed to be in contact with the rotors. Took of tires and calipers and noticed my rear drivers side brake pads are wearing uneven. The worn pad is on the exterior visible side of the rotor. A proactive approach to brake pad maintenance can save you from possible catastrophic disasters on the road, protecting both you and your pocketbook from unnecessary damages. Check the brake fluid level and Apr 18, 2020 · One of the brake pads fell out . I'll have to ride it a bit more to be sure. I ride like an old guy that wants to get older. Jan 20, 2012 · When you've worn the pad down to the metal, the rotor is damaged and. pads will wear unevenly from the beginning. Jan 11, 2022 · Caliper Failure. Rotor Thickness Alteration Rotor thickness variation is a primary cause of uneven brake pad wear. A warped rotor can have a deformed or wavy surface. 380. Using a flashlight, visually inspect the brake pads through the caliper. Uneven braking: Inconsistent or jerky braking may Oct 14, 2023 · Heavier vehicles require more force to stop, resulting in faster brake pad wear. If all the pistons move freely everything is fine. Jump to Latest Follow May 4, 2015 · This weekend I changed my front brake pads and notice something odd. Attach the C clamp to one of the pistons but don’t squeeze it. 1 Conclusion May 1, 2023 · Brake pad manufacturers recommend replacing brake pads when they have worn down to 1/8 inch thickness or when they show signs of wear such as uneven wear, cracking, or missing chunks. Sep 24, 2021 · Brake Pad Wear Patterns “In normal brake pad wear, the inside and outside pads on both calipers have worn at relatively the same rate. Worn brake pads can also cause the brake caliper pistons to stick. Below are the indicators to watch for. And when the pistons push the pads against the rotor, they only make contacts on the high points of the disc. May 20, 2021 · 6698 posts · Joined 2013. It should be smooth like glass. You can even look on the back of the pad for a wear mark, it will obviously be in the shape of a circle from the pistons hitting the pad. The driver side pads were at about 35% with even wear to both pads. Mar 12, 2018 · Got those front brake pads changed. The passenger side had started squeaking like it was hitting the wear sensor, so I figured it was time to change them out. Pull the pads from the caliper. , thicker – new pads to fit. Brake pads are designed to wear down evenly so they can provide even braking pressure for the driver. Lube the edge of the pads with silicone grease. I noticed that there was less than 1 mm left. Carefully blow compressed air into the hole for the banjo fitting. This uneven surface can cause the brake pads to vibrate, leading to warping of the rotors. It can be caused by various factors, such as stuck calipers, bad pads, rotor variations, caliper piston failure, brake hose collapse, improper bleeding, driving habits, driving conditions, brake system maintenance, uneven weight distribution, uneven Apr 24, 2023 · All of the pistons in the caliper see the same fluid pressure, these are not floating calipers. The uneven surface causes the brake pads to make intermittent contact, resulting in vibration. Manufacturers often provide specific guidelines for the break-in period. May 26, 2024 · Indian Motorcycle Tech Q & A. How to Replace Worn Brake Pads on Your Motorcycle. May 6, 2023 · In this video I go over stripping, cleaning and reassembling a motorcycle brake caliper. If not you may consider replacing the calipers which is the perfect time to upgrade to the larger ones. Looking through the alloys, I can see that both front and rear pads are worn uneven (pad worn away at an angle). The inside pad is completely shot, and the outside is about 50%. When the brake pads are worn, they can become warped and not slide smoothly in the brake caliper bracket. Nov 16, 2023 · The Real Culprit: Uneven Wear and Tear The main reason rotors warp is due to uneven wear and tear. Remove the caliper from the fork leg but leave the brake line on. 95 to clean and lubricate front brakes to resolve problem. Left pads were just slightly more heavily worn on one edge than another. Jump to Latest Jul 27, 2023 · Here are some commonly found warped brake rotor symptoms that you must be aware of: Brake pedal vibration: A pulsating sensation felt in the brake pedal during braking is a clear sign of warped rotors. Is it normal to have uneven brake pad wear? Mar 6, 2020 · I have a 2014 Chieftain and just changed my rear brake pads at 15,000 miles* -- There was very uneven wear on each pad - the leading edges (up-side in the caliper) were worn way down. 2 Worn-out Brake Components; 2. Jan 30, 2024 · Lever the left and right brake pads apart slightly – this retracts the brake-caliper pistons (“pucks”) into the caliper bores, which will allow the replacement – i. Just a hunch but check the wheel bearing. is something hanging up the caliper slide bolts Jun 18, 2024 · The number one cause for uneven brake pad wear is seized or poorly lubricated caliper slides. If it’s come time to replace your brake Uneven pad wear isn't terribly unusual on rear brakes. Any chance the caliper pistons are sticking? That would explain the wheel not spinning as easily. Hard-anodised caliper body for excellent corrosion resistance and extended caliper longevity. Apr 6, 2017 · Organic pads produce less rotor wear, which is welcome for casual riders who don’t want to replace rotors often. Oct 22, 2012 · Hi, today I put a new front tire and realized that my brake pads need replacement. (friction material completely worn out) No periodic control of pad wear. To diagnose uneven brake pad wear, inspect the pads for a wedge or taper. At my 10,000 service they both showed 8mm. If you have ever noticed your car's brake pads wearing unevenly, it could be because of a caliper failure. Excessive and uneven tire wear is not just an economic concern; it also impacts the stability and safety of your vehicle. When I took the pads out I was surprised to see that much material left, and that it was only really worn on the corners by the brackets. Usually I would say that the Jun 19, 2017 · Issues with the operation of the brake calipers are also major contributors to uneven brake pad wear. High squeal and noise. Sep 10, 2022 · 510 posts · Joined 2017. Although, once I pumped the brakes a few times and rode it down the street, it felt like there still might be some friction, pads could still be dragging on the brakes. Aug 11, 2023 · Uneven brake pad wear is a common problem that can affect your braking performance and safety. If this happens on the front wheel, it will lead to uneven wear on the front brake pads. May 24, 2024 · Indian Motorcycle Tech Q & A Uneven brake pad wear on the front. Faulty braking components can cause uneven brake pad wear on one side of your vehicle. If I remember correctly, I believe the left side wears quicker than the right side. Look for any signs of wear, such as thinning or unevenness. Mar 14, 2024 · Signs of a Warped Brake Rotor. Brake System Maintenance: Neglecting to change brake fluid or calipers can lead to uneven wear on brake pads. slingshot383 and old dogg. 49 1 3. this will fix many types of the brakes dragging an seizing. This is not cheap; about $75 a caliper, $225 total. Look for signs of breakage, extreme thinning, or uneven wear. Dec 2, 2020 · Cleaned as much as I could and sanded the pins. My fluid was changed in 11/2010 @ 207K miles. Old on right (originals, says Tokico on them), new Galfer (G1054) pad on left. Even though they made the pivots on the 11spd groups more symmetrical, there is still some Mar 12, 2021 · Shop online for OEM Rear Brake parts that fit your 2008 Kawasaki KLR650 (KL650E8F), search all our OEM Parts or call at (231)737-4542. Uneven pad wear may develop if there is any metal-on-metal contact in the brake system, resulting in a costly repair bill. Wear on front is very un even. I've never taken newly replaced brake pads off so soon, but new brakes take time to fully bed. Make sure your pins are properly lubricated and clean when you re-assemble. You can also adjust the rotor or move th Jul 12, 2023 · Uneven brake pad wear Jump to Latest Follow 617 views 2 replies 3 participants last post by Arizona Jim Jul 13, 2023 Sep 25, 2023 · Incorrect Brake Pad Installation. If that doesn't work, get the caliper off and scrub the piston, regreasing the sliding pin is what will probably solve it after that. Insert a thin piece of cardboard or a shim To prevent the issue, have a professional mechanic inspect the suspensions and replace them if necessary. Jun 10, 2006 · Under normal wear, the piston side pad would wear faster then the anchor side because it is the first pad to come in contact with the rotor when you hit the brakes and the last one to leave contact with the rotor when you let off the brakes. A sticking caliper piston can keep the pad against the rotor when you aren’t braking. Was able to slip the brake around the disk with no effort this time, good sign. Looking at them on-edge to see the pad thickness would be more useful. Avoid harsh stops that can cause excessive and uneven wear on new brake pads. Jun 15, 2023 · 1 Importance of Brake Pad Maintenance; 2 Common Causes of Uneven Brake Pad Wear. Dec 1, 2013 · uneven wear on front brake pad. This leads to uneven brake pad wear. Noticed this after removing the calipers on my bike. Remove the old pads and the mounting frame (the sliding pins) Remove the cover from the Master Cylinder on the Handel bar. I gave 'em plenty of grease when I installed the These are typically caused by excessive heat on the brake disc and hard braking. Uneven rotor surface – can cause uneven pressure distribution leading to uneven wear on the brake pad. Incorrect Brake Pad Fitment. Without proper care, brake components can wear unevenly or become contaminated, adding to the heat generated during braking. 3. #4 · Apr 2, 2018. Oct 31, 2023 · 7. Rear passenger wheel. This is the factory installed pads with 86k miles. These pads are a precision fit for your make and model of motorcycle and Uneven pad wear is actually quite normal on road caliper brakes because the arc each pad follows is not equal, which means that although the caliper appears centered when the pads hit the rim surface, one pad is moving with more leverage than the other. After replacing the pads and rotor it has very little stopping power compared to before and when I was riding it trying to wear in the pads I've noticed that on the rotor it has very uneven wear only wearing on about half the rotor. Rotor Thickness Variation. Vehicle may pull to one side. 1. To fix a warped motorcycle rotor, the first step is to identify the issue. Apr 24, 2016 · Brake Pads wear uneven. Inner Pad Wear. Wear on Tires. The vehicle may have low mileage, typically around 10K miles. Jul 3, 2014 · White Puff Discussion starter. Run your fingernail across the. Improper brake alignment can lead to uneven tire wear. Like. Nov 10, 2023 · A warped motorcycle rotor is essentially a brake disc that is no longer flat and has instead become uneven or distorted. For instance, aggressive braking and frequent driving in stop-and-go traffic can accelerate brake pad wear, while driving on rough or hilly terrain can put more strain on the brakes. Unscrew and remove the locating pins (they may be found under a pair of threaded safety covers). 68 posts · Joined 2009. How to lubricate caliper slider pins. Jul 4, 2023 · To fix uneven pad wear, you need to adjust the toe-in of the brake pads. 8 times more energy to stop than the bike. And, when a brake pad comes in contact with a warped rotor, the pad only makes contact with a rotor’s high points. If the brake pads are under the correct installation, it can prevent them from wearing unevenly. And if it happens on the rear wheels, it’ll also cause uneven Mar 28, 2009 · Bonneville: pounds force at 70 mph: 124,257. Uneven brake pad wear on the front Uneven brake pad wear on the front. i took the rotor off and caliper to look at the pads and the outer pad is half of what the inner pad is. To fix this, you must raise the vehicle and re the wheels to access the brake calipers. Regardless, brake pad are relatively cheap, so I'm pretty quick to replace them, especially on my mountain bike where certain rides can take them from 75% worn to 98% worn pretty quickly. The bike was stopping well before the change. 3 Poor Quality Brake Pads; 2. That said, the wheel should spin freely, get 2 cans of brake cleaner, spray the crap out of the caliper in particular the piston area and see if it frees it up. Upon doing some research, I have learned that it could be the caliper piston not coming out evenly (which mine seems to be fine) or your guide pins seized up and may need greased. This keeps the caliper from sliding back and forth, resulting in uneven pressure on the pads. The slides don't look damaged or bent. Apr 8, 2019 at 17:48. The fluid appeared darker than new when I pulled some from the reservoir. Fix: Insisting your mechanic using Bendix replacement brake pads will help prevent misalignment. Replacing brake pads is a regular maintenance Mar 14, 2024 · Start with gentle use of your brakes for the first 100 miles. This condition will not allow the brake caliper to "float" freely which will cause uneven brake pad wear. Here’s a step-by-step guide on how to adjust the toe-in: Loosen the bolt that holds the pad holder in place. After my brake pads started rubbing this week, I decided to investigate. that wear indicator cannot make any sound when its not touching the disc, something else is making the noise. Feb 22, 2024 · Maintaining your motorcycle’s front brake caliper is crucial for rider safety and performance. May 24, 2024 · Indian Motorcycle Tech Q & A Uneven brake pad wear on the front Oct 10, 2021 · wire brush and or steel wool. Look for uneven wear or damage such as cracks or glazing. Share. Make sure to inspect the alignment of the calipers and adjust them as needed to ensure proper contact with the rotor. A sloppy bearing can cause uneven wear but you'd probably see it on both sides on a 9-3. Wear indicators let you know when it is time to change your brake pads either by sound, sensors, or by visually inspecting the indicator on the brake pad. Mar 17, 2015 · If your caliper piston is sticking upon brake release, or your pins are binding, the inboard can drag against the rotor after you release the brakes. When I had my front wheels off today I was checking out the brake pads. Worn Brake Pads. I changed all the brake pads. Outer pads were 7-8mm and inner were 4-5mm. Over time, the constant friction from braking can cause the rotors to wear down unevenly, creating high and low spots on the surface. Pete / Breeze . These pads are a precision fit for your make and model of motorcycle and exceed original equipment Jan 19, 2024 · When interpreting the brake pad wear chart for motorcycles, it’s important to consider factors such as the type of motorcycle, riding style, and the type of brake pad material used. It happened on both front brakes. nd4spdbh, Feb 13, 2024. Can someone tell me what is causing this uneven wear on my rear brake pads. They get worn down just like brake pads (although they generally last longer than the pads). Jul 28, 2017 · Uneven Brake Pad Wear. The weird thing is that the inside pad is worn completely while the outside pad still has about 3-4 mm left, never saw something so extreme before. Manufacturers typically recommend a minimum thickness. In extreme instances, products will not fit in the caliper. 47 sq inches. 5 to 1 mm. I just changed out my front brakes at a little over 42,000 miles. Most of the time, it s caused by ungreased or damaged guide pins. Why do motorcycle engines round up their displacement, rather than just May 12, 2022 · Staggered piston sizes to eliminate pad taper. Thus most all less-than-ideal function of the system puts the excess wear on the inboard pad. Good news: Right pads were completely even in wear. Jul 8, 2020 · Uneven brake wear on the same caliper. This can indicate quality or installation issues. Next time - run a hose and flush out the dust, grime, rocks, it’s often the cause for the brake noise. Try bedding in the brakes and see if that makes a Dec 4, 2023 · Brake Pad Replacement. The inner pads however were almost gone. You will then need to remove the brake pads from the calipers by loosening the retention clips or bolts that hold them in place. The passenger one is like 1/16" left. Locate the brake caliper, which is usually positioned near the wheel rotor. Replacing your motorcycle’s brake pads is a crucial maintenance task to ensure your safety and the longevity of your Nov 16, 2023 · The term “warped rotor” is often used to describe a rotor that is no longer straight, causing vibrations and uneven wear on the brake pads. However, the passenger side inner pad that sits next to the Jul 19, 2022 · Hey all, So I replaced my front and rear brake pads last year with EBCs on my 08 America. These are the stock brake pads. Only basic Nov 28, 2023 · Regular inspections can extend the life of your brake pads while ensuring optimal riding safety. 0. Warped Rotors. i have had a bad vibration on the pass side of the truck when slowing from freeway speeds lately. This because of Link breaking on the Goldwing and applying the rear brake pedal Nov 13, 2022 · This almost sounds like 2 different issues; the pads rubbing on the rotors, and uneven pad wear. #4 · May 24, 2009. Feb 22, 2024 · Neglecting regular maintenance can lead to a significant increase in the temperatures your motorcycle’s disc brakes experience during operation. This is not good and can cause uneven pad wear for the outside pads. I only took one side off and haven't checked the other. . One side of each set is almost gone and other side is at about 25%. Now she is braking fine and no screeching noise. #12. Every single brake caliper is pressure tested to 2500psi. What is this Apr 2, 2018 · 2848 posts · Joined 2004. The front brakes take 75% of the braking of the motorcycle. Probably the caliper pins needed greasing a while back. I ordered a full OEM set, front and rear. Those pads have plenty of life left. Bonneville front brake pad contact area: 6. The slides must be removed, cleaned and lubricated with brake grease at each brake job service interval. Misaligned brakes can exert uneven pressure on your tires, causing premature wear and potentially reducing their lifespan. Worn brake pads – leads to uneven wear and low brake performance due to reduced friction. Removed both left and right calipers and the wear is similar on each set of pads (one pad worn, the other, not so much). Well folks, there you Mar 12, 2009 · Uneven Brake Pad Wear Jump to Latest Follow 3K views 3 replies 3 participants last post by Skidplate865 Mar 13, 2009 Oct 4, 2015 · The spacing behind each rotor bolt on a motorcycle disc brake must be exact and constant over the life of the bike. Ensure you: Inspect brake pads for wear and tear. We’ve dug deeper into the topic, and taught you how to bed your motorcycle brakes here. The recommended toe-in range is typically between 0. Some motorcycles may have dual-disc braking systems, which means two brake pads per rotor, requiring owners to monitor wear on both pads. 4. – Paul H. Apr 1, 2024 · If the calipers are not centered correctly over the rotors, it can lead to uneven brake pad wear and reduced braking power. 92043-1416 or 43045-1010 ? Jun 12, 2019 · The bedding process heats your brakes and spreads a thin layer of brake pad material across your rotor. Incrementally increase braking pressure over time to allow the pads and rotors to adapt to each other. They still had like 1/4" left. 2000 Suzuki GSXR-600. 03. 5. Ford Ranger Pickup front brake pad contact area: 35 & 3/4 sq inches. One critical aspect is the brake pads. be machined. Each pad's thickness increased to about 1/2 the original pad depth on the trailing side (down-side in the caliper). There's still plenty of life in them, although the rears do not make full contact with the disk. This can be another common cause of uneven brake pad wear (either left or right). The design is different but on a 9-5, the inboard pad is held by the fixed portion of the caliper and the outboard pad rides with the sliding portion; a bad bearing will Jul 18, 2015 · Uneven Brake Pad Wear. Oct 14, 2023 · Uneven brake pad wear can occur due to a variety of factors, such as driving habits, road conditions, and even the type of brake pads used. Listen for squealing or scraping sounds during braking, which often indicates that pads need replacement. The softer materials in organic pads also make them quieter than sintered Mar 8, 2010 · The inner pad had about 1/4" of material while the outer pad was nearly 1/2" thick. Well the outer pads on both sides looked great. Lastly, grooves can also get carved into the rotors over time. I'm a super newbie but I did my best. Mar 14, 2024 · Identifying worn brake pads is straightforward: Check the thickness of the pads. Jump to Latest Follow May 30, 2019 · If the brake caliper is an opposed piston design, outer brake pad wear is an indication the outer pistons have seized. Rear was about 25%. Even on my 2005 GL 1800, the front brakes wear much quicker than the rear. Oct 15, 2023 · In this in-depth guide, we will delve into the critical topic of brake systems, specifically focusing on the top 7 causes of uneven brake pad wear and provide practical solutions to ensure that your brakes remain in optimal condition. I don't have any vibrations from what I can tell from the rear. Tip: You should seek brake pads with wear indicators. com. The inner pad on either the front left or right side may be worn out. It’s easiest to remove pistons from single-action calipers. Damage to rotor. A shiney or slightly rusted wear surface on the raised portion of the rotor is the evidence. I've never seen anything like this before. This can cause the brake caliper piston to remain extended, even when you release the brake lever. Uneven wear like this is often due to junky pads / bad wheel bearings or simply just a notched/gummed up pad retaining pin. Check the difference between wear on the inner and outer pads. Mar 23, 2005 · The problem: As the brake pads wear, the steel backing plate for the outside brake pads come in contact with the rotor, and actually ride on the raised portion of the rotor. If it were a caliper issue, I would think it's strange that the same thing is happening on both sides. 4 Incorrect Brake Pad Installation; 3 Signs of Uneven Brake Pad Wear; 4 Preventing Uneven Brake Pad Wear. Often, components within the caliper, such as the guide pins, can seize and cause the brake pad to drag along the rotor whilst the brakes aren’t applied which in turn leads to uneven brake pad wear. Regular Maintenance check-ups are your first line of defense. e. rn fs yj ge wp cn pn fo hr xu