1. Introduction
The Miyako Brake Seal Kit SP-237 is a high-quality brake caliper overhaul kit designed to restore the sealing integrity of your vehicle's brake calipers. This kit contains essential components required for a complete overhaul, ensuring optimal braking performance and safety. Please read this manual thoroughly before beginning any installation or maintenance procedures.
2. Product Overview
This kit includes all necessary seals and components for a brake caliper overhaul. The exact shape and contents may vary slightly depending on the specific application, but typically include:
- Brake Caliper Overhaul Kit components
- One (1) complete set of seals and related parts

Figure 2.1: Contents of the Miyako Brake Seal Kit SP-237, showing various rubber seals and a copper washer contained within a clear plastic bag.

Figure 2.2: The Miyaco Brake Seal Kit SP-237 in its retail packaging, featuring the brand logo and product information, including Japanese text indicating 'Disc Brake Seal Kit' and 'Made in Japan'.
3. Setup and Installation
Proper installation of the brake seal kit is crucial for safety and performance. It is recommended that this procedure be performed by a qualified mechanic or an individual with experience in automotive brake systems.
3.1. Preparation
- Ensure the vehicle is safely lifted and supported on jack stands.
- Remove the wheel and gain access to the brake caliper.
- Carefully disconnect the brake line and remove the caliper from the vehicle.
- Thoroughly clean the caliper exterior to prevent contamination during disassembly.
3.2. Disassembly and Seal Replacement
- Disassemble the brake caliper according to the vehicle manufacturer's service manual.
- Carefully remove all old seals, dust boots, and any other worn components.
- Inspect the caliper bore and piston for any signs of corrosion, pitting, or damage. Clean thoroughly if necessary.
- Lubricate new seals and pistons with appropriate brake assembly lubricant (often included in the kit or specified by the manufacturer).
- Install the new seals and dust boots from the Miyako Brake Seal Kit SP-237 into the caliper. Ensure they are seated correctly and not twisted.
- Reassemble the caliper, ensuring all components are correctly aligned and torqued to specifications.
3.3. Reinstallation and Bleeding
- Reinstall the overhauled brake caliper onto the vehicle.
- Reconnect the brake line, ensuring a secure and leak-free connection.
- Bleed the brake system to remove any air introduced during the process. Follow the vehicle manufacturer's recommended bleeding procedure.
- Check for any fluid leaks and ensure proper brake pedal feel before driving.
4. Maintenance
Regular inspection of your brake system is essential for safety. While the Miyako Brake Seal Kit SP-237 is designed for durability, periodic checks can extend the life of your brake components.
- Inspect brake fluid levels and condition regularly.
- Check brake lines and hoses for cracks, leaks, or damage.
- Listen for unusual noises during braking, which may indicate wear.
- If the vehicle is stored for extended periods, ensure brake components are protected from moisture and extreme temperatures.
5. Troubleshooting
If you encounter issues after installing the Miyako Brake Seal Kit SP-237, consider the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Spongy Brake Pedal | Air in the brake lines | Re-bleed the brake system thoroughly. |
| Brake Fluid Leak | Improperly seated seals, damaged brake line connection, or damaged caliper bore. | Inspect all connections and seals. Re-seat or replace as necessary. Check caliper bore for damage. |
| Brakes Dragging | Piston not retracting fully, or caliper slide pins are seized. | Ensure piston moves freely. Lubricate and inspect caliper slide pins. |
If problems persist, consult a professional automotive technician.
6. Specifications
| Attribute | Detail |
|---|---|
| Brand | MIYACO |
| Model | SP-237 |
| Item Weight | 1.1 pounds |
| Package Dimensions | 7.09 x 4.72 x 1.97 inches |
| Manufacturer Part Number | SP-237 |
| ASIN | B00UYKV712 |
| Date First Available | September 23, 2023 |
7. Warranty and Support
For specific warranty information regarding the Miyako Brake Seal Kit SP-237, please refer to the official MIYACO manufacturer's website or contact their customer support directly. General return policies for purchases may vary by retailer.
For technical assistance or inquiries, please visit the MIYACO official website or consult your automotive service professional.