Browse

Property For Sale Property For Rent

Used Cars Others

Antiques Collectibles Apparel Baby Kids Items Books， Movies And Music Electronics Free Stuff Garden Outdoor Health Beauty Home Goods Home Improvement Supplies Musical Instruments Office Supplies Others Pet Supplies Sporting Goods Ticket Toys Games Transportation

Business Crafts Design And Web Events Home Improvement Legal Lessons Personal Pets Photography Repair And Technical Support Wellness Writing， Translation， And Transcription Others

Activities & Groups Artists & Musicians Classes & Lessons Events Friendship & Networking Lost & Found Rideshare Sports Teams Volunteers Travel & Travel Partners Skills & Language Swap Other

What Causes the Loose and Rattling Noise of Brake Caliper Guide Pins?

2 Answers

ElianaDella

09/09/25 2:25am

It is highly likely that the brake caliper has become loose. The diameter of the brake caliper fixing pin is much smaller than that of its sheath, resulting in excessive clearance between the two. This causes a clanking noise when shaken. Below is relevant information about brake pads: Types of brake pads: Asbestos brake pads (mostly obsolete), semi-metallic brake pads, low-metallic brake pads, NAO formula brake pads, ceramic brake pads, and NAO ceramic brake pads. Ceramic brake pads vs. traditional brake pads: In traditional brake pads, metal is the primary material generating friction, providing strong braking force but with significant wear and a tendency to produce noise. After installing ceramic brake pads, no abnormal squealing (i.e., scraping sounds) occurs during normal driving. Since ceramic brake pads do not contain metal components, they avoid the metal squealing caused by the friction between traditional metal brake pads and their counterparts (i.e., brake pads and brake discs).

Was this review help?

7

5

Share

Jane

09/20/25 7:21am

Hearing the rattling noise from loose brake caliper guide pins is something I've experienced, and it's quite annoying. There are several main causes: first, wear and tear on the guide pins—over time, the material degrades, increasing the play during braking and causing friction noise; second, insufficient lubrication—if the guide pins aren't regularly greased with specialized lubricant, they can dry out and become loose; third, dirt buildup—brake dust clogging the pin holes can hinder smooth movement. Additionally, improper installation can also be an issue, such as misalignment during brake pad replacement or failed guide pin springs not resetting. The noise often sounds like a metallic creak, more noticeable during braking, and in severe cases, it can affect braking response time and increase stopping distance risks. I recommend doing a quick self-check: gently shake the brake pads to see if there's excessive play—if so, take it to a professional shop immediately. Don’t slack on maintenance—inspect the guide pin lubrication every six months, clean off any dirt, and don’t let minor issues escalate. After all, brake safety comes first.

Was this review help?

4

1

Share

Expand All

More Forum Discussions

What is the difference between starting with the clutch pressed and without pressing the clutch?

The difference between starting with the clutch pressed and without pressing the clutch: 1. For the car: Starting with the clutch pressed can protect the car's engine and starter. Pressing the clutch is equivalent to cutting off the current to the starter, making it easier to start the car. 2. Safety aspect: Starting with the clutch pressed can prevent operational errors. When on an incline, the car is usually in 1st gear. Pressing the clutch when starting ensures the car does not roll back, ensuring the safety of the vehicle and the driver. Below are some tips for starting the car: 1. Check if the gear is in neutral, press the clutch. If on flat ground, you can start directly. If on a slope, press both the clutch and brake before starting. 2. After starting, check if the handbrake is released, shift into 1st gear, release the brake and clutch, and the car will start moving normally.

What Causes Heavy Brakes and Failure to Start?

It may be because the driver pressed the brake pedal several times after turning off the engine, causing the vacuum in the brake booster to disappear. Without the booster's assistance, the brake pedal becomes harder to press. Additionally, the booster pump does not operate when the engine is off. Below are some braking precautions: 1. At low speeds, you can perform emergency braking by fully pressing the brake pedal if an unexpected event occurs ahead. However, avoid doing this at high speeds to prevent the vehicle from skidding or rolling over. 2. During normal driving conditions, apply gradual braking by pressing the clutch pedal while releasing the accelerator, then shift to a lower gear. Once the speed decreases, release the clutch pedal and press the brake pedal until the vehicle stops. 3. On long downhill slopes in mountainous areas or during continuous braking that generates high temperatures, intermittent braking—alternately pressing and releasing the brake pedal—can effectively prevent the braking system from overheating.

What car has a ram head logo?

The ram head logo represents the Dodge brand of vehicles, headquartered in the United States. Here is some relevant information: The Dodge trademark uses the surname of the Dodge brothers: Dodge. The graphic trademark features a ram head image inside a pentagon, with both a small ram and a large ram used as logos on vehicles. Dodge is one of the three major automotive brands under the Chrysler Group, encompassing a range of cars, trucks, light commercial vehicles, and sport utility vehicles (SUVs). Main models include the Dodge Caliber, Dodge Viper, Dodge Magnum, Dodge Ram, Dodge Caravan, and Dodge Charger, among others.

Which province does the 'Jiang' license plate belong to?

The 'Jiang' license plate does not exist; it is a fictional license plate used in TV dramas to avoid causing deep social reactions. Below is relevant information about vehicle license plates: 1. The differences between local and out-of-town license plates include: different license plate contents; differences in annual inspections, with out-of-town license plates being more cumbersome; different travel restrictions, as local license plates face fewer restrictions within their region, while out-of-town license plates have more; and differences in replacement procedures, as lost driving permits or license plates can only be reissued at the vehicle's registration location. 2. License plates, commonly referred to as vehicle tags, are plates affixed to the front and rear of vehicles, typically made of aluminum, sheet metal, plastic, or paper, bearing the vehicle's registration number, registration region, or other relevant information. 3. License plates serve to number and record information for each vehicle, primarily enabling identification of the vehicle's region of registration and allowing access to the vehicle owner's details and registration information through the license plate.

What car brand has a logo featuring a cross and a snake?

The logo featuring a cross and a snake corresponds to the Italian brand Alfa Romeo. Here is some relevant information: Alfa Romeo is an Italian sports car and racing car manufacturer founded in 1910. Currently, Alfa Romeo is part of the Fiat Group. Ferrari, Maserati, and Alfa Romeo are all brands under the Fiat Group. Additionally, some of Ferrari's engine technologies are shared with Maserati and Alfa Romeo. Alfa Romeo sells two models in China: one is the mid-size sports sedan Giulia, and the other is the luxury sports SUV Stelvio.

Is Baked Paint or Spray Paint Better at 4S Stores?

Baked paint is better than spray paint. The comparison between baked paint and spray paint is as follows: 1. From the process perspective: (1) Baked paint involves applying three layers of primer and four layers of topcoat on the substrate. Each layer is then sent into a dust-free, temperature-controlled baking room for curing. (2) Spray paint involves sanding the substrate, applying paint, and letting it dry naturally. 2. From the paint film perspective: (1) Baked paint has smooth edges, uniform color, even paint film, and rich color saturation. (2) Spray paint has rough edges, lighter color than the door panel, uneven paint film, and poor color saturation. 3. From the texture perspective: (1) Baked paint door panels have a smooth surface with no texture but may show orange peel effect. (2) Spray paint door panels have a rough surface with visible texture but no orange peel effect. 4. From the surface perspective: (1) Baked paint door panels have a flat and smooth surface. (2) Spray paint door panels have a surface with particles, not smooth, and a strange feel when touched. 5. From the wear resistance perspective: (1) When hitting the paint film with a hard object, if there is no damage, it is baked paint. (2) When hitting the paint film with a hard object, if there are cracks, paint film peeling, or white flakes coming off, it is spray paint.

Trending Ranking

Which side is the accelerator pedal on an automatic transmission car?

What is the method for replacing the battery in a Tiggo 5 car key?

What is the method for replacing a car headlight cover?

How many points are deducted for touching the line in the S-curve of Subject 2?

How to Remove the Speed Limit of an Electric Four-Wheel Vehicle?

What to Do When Your Car's Paint Gets Scratched?

What are the different light indicators on a car?

How to Determine If the Car You Bought Is New?

How to Fix Front Shock Absorbers Not Rebounding?

What is the fuel tank capacity of the C260?

More Forum Discussions

How long should you wait before covering your car with a car cover?

How to Identify if a New Car is a Stock Vehicle?

Does the steering gear need to be replaced if there is play?

How does the seat belt camera recognize?

Help

Cookie

Cookie Settings

© 2025 Servanan International Pte. Ltd.