Introducció
This instruction manual provides important information regarding the Dorman 499-201.1 Brake Line Union. Please read this manual thoroughly before installation and use to ensure proper function and safety. This product is designed as a direct replacement component for automotive brake systems.
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The Dorman 499-201.1 is an inverted flare brake line union designed for connecting brake lines. It features a 3/16 inch connection on one side and an M10-1.0 connection on the other. This union is constructed from durable materials to ensure a long service life and reliable performance within the vehicle's brake system.

Image: Dorman 499-201.1 Brake Line Union. This image displays the brass-colored union with threaded openings on both ends and hexagonal sections for wrench grip.
Configuració i instal·lació
This brake line union is designed for direct replacement. Professional installation is recommended for brake system components. Ensure the vehicle is safely supported and the brake system is depressurized before beginning work.
- Preparació: Identify the brake lines to be joined or repaired. Ensure the ends of the brake lines are clean and properly flared (inverted flare type).
- Connexió: Thread the brake lines into each end of the Dorman 499-201.1 union. Ensure threads are aligned to prevent cross-threading.
- Apretament: Using appropriate wrenches, tighten the connections to the manufacturer's specified torque. Overtightening can damage the union or brake lines, while undertightening can lead to leaks.
- Sagnat: After installation, the brake system must be properly bled to remove any air introduced during the repair. Refer to your vehicle's service manual for specific brake bleeding procedures.
- Inspecció: Thoroughly inspect all connections for leaks after bleeding the system and before operating the vehicle.
Nota de seguretat: Brake system components are critical for vehicle safety. If you are not confident in your ability to perform this installation, seek assistance from a qualified automotive technician.
Principis de funcionament
The Dorman 499-201.1 Brake Line Union functions as a static connector within the hydraulic brake system. Once properly installed, it creates a sealed, leak-free junction between two brake lines, allowing brake fluid to flow unimpeded to the braking components. It does not have moving parts or require active operation.
Manteniment
Regular maintenance of the brake system is crucial for safety. While the union itself requires no specific maintenance, periodic inspection of all brake line connections, including this union, is recommended.
- Inspecció visual: Check for any signs of corrosion, damage, or fluid leaks around the union during routine vehicle inspections.
- Fuites de fluids: Any evidence of brake fluid leakage indicates a problem that requires immediate attention.
- Corrosió: In areas exposed to road salt or moisture, monitor for corrosion. Severe corrosion may compromise the integrity of the union and necessitate replacement.
Resolució de problemes
If issues arise after installing the brake line union, consider the following:
- Brake Fluid Leakage:
- Ensure connections are tightened to specification.
- Verify that the brake lines are properly flared and seated within the union.
- Check for damage to the union or brake line ends.
- Pedal de fre esponjós:
- This typically indicates air in the brake system. Re-bleed the entire brake system thoroughly.
- Brake System Warning Light:
- Comproveu el nivell del líquid de fre.
- Inspect for leaks at all connections, including the union.
- Consult a qualified technician if the issue persists.
Especificacions
| Característica | Detall |
|---|---|
| Número de model | 499-201.1 |
| Marca | Dorman |
| Tipus de connexió | Inverted Flare |
| Connection Size 1 | 3/16 polzada |
| Connection Size 2 | M10-1.0 |
| Material | Durable materials (e.g., brass) |
| Pes de l'article | 1 lliures |
| Dimensions del producte | 5.3 x 3 x 0.5 polzades |
Garantia i Suport
For specific warranty information or technical support regarding the Dorman 499-201.1 Brake Line Union, please refer to the official Dorman Products weblloc web o contacteu directament amb el servei d'atenció al client. Conserveu el rebut de compra per a reclamacions de garantia.
Dorman Products Oficial Weblloc: www.dormanproducts.com