What kind of grease is used for brake guide pins?

[LincolnRose]

Brake guide pins typically use calcium-based grease (butter) with certain water resistance. Since the guide pins are exposed, and vehicles often drive through water during rainy seasons, calcium-based grease has water resistance that prevents it from being washed away, ensuring the braking system functions properly. Engine oil is strictly prohibited for brake caliper guide pins because it can easily be washed away by water, leading to loss of lubrication and potential seizing of the guide pins, resulting in brake failure. Here is more information about brake guide pins: 1. Maintenance: Brake system maintenance helps prevent high temperatures, rust, corrosion, and ensures lubrication. 2. Consequences of abnormal brake guide pins: (1) If the guide pins of the brake caliper are poorly lubricated or stuck, abnormal braking may occur, leading to ineffective braking or dragging brakes. (2) If the guide plates at both ends of the brake pads oxidize or rust, it will affect the sliding movement of the brake pads.

[VonLily]

When it comes to brake guide pin grease, I've tried several types over the years. My driving experience has taught me that specialized silicone-based grease is the top choice. It must be heat-resistant, because I've seen some buddies use regular grease, only to have the guide pins overheat and melt during braking, causing the brake pads to seize up - nearly leading to accidents. Silicone-based grease also has excellent water resistance, protecting brake components from rain corrosion. I always remind myself to check the guide pins during routine maintenance, applying a fresh, even coat with a small brush. This ensures smoother braking and extends component lifespan. Never use petroleum-based grease - it damages rubber parts and can cause brake failure. It's best to buy branded products like CRC's high-temperature silicone grease. Though pricier, it's worth it. Safety comes first - this stuff is life-critical. I never forget to lubricate the guide pins whenever changing brake pads.

[Adriana]

Regarding the grease for brake guide pins, I've researched extensively and found that silicone-based fully synthetic grease is the most reliable. It's specifically designed not to degrade under high temperatures, preventing guide pin sticking which could lead to brake noise or failure. From my DIY experience, it's crucial to clean old grease and rust spots off the guide pins before applying a thin layer of specialized grease—don't apply too thick as it may affect operation. Compared to regular grease, silicone-based versions also offer dust and water resistance, maintaining brake system performance. I recommend buying small tubes for easy storage and replacing it every two years for safety. This directly affects braking safety, so no shortcuts—always consult the manual to confirm compatibility with your vehicle model before starting.

[AlanFitz]

The lubrication of brake guide pins requires high-temperature waterproof grease, with silicone-based being the preferred choice. It prevents the guide pins from corroding and rusting, ensuring the normal retraction of brake pads. Avoid using inferior products such as butter or engine oil, as they can easily lead to thermal failure and pose significant risks. Apply a small amount evenly to ensure smooth operation.