1. Producte acabatview
The Bosch QuietCast Premium Disc Brake Rotor (Model 20010306) is engineered for superior braking performance and durability. Designed with minimum tolerance levels and innovative materials, it ensures high quality and quiet, vibration-free operation. This front disc brake rotor is compatible with select Ford Explorer, Ranger; Mazda B3000, B4000; and Mercury Mountaineer models.
Característiques principals:
- Precision Balanced: All QuietCast rotors are factory mill precision balanced, ensuring even weight distribution for smooth, safe stops without pedal pulsation.
- Rendiment millorat: OEM style vane configurations provide efficient heat dissipation, reduced vibration for quieter operation, and extended rotor life.
- Rust and Corrosion Resistant: An Aluminum/Zinc coating protects against rust and corrosion, prolonging rotor life and maintaining a clean appearance, especially with open wheel designs.
- ABS and Traction Control Ready: Features OEM style ABS tone rings (where applicable) for trouble-free operation of Antilock Brake and Traction Control systems.
- Authentic Bosch Product: Each rotor includes an engraved discard thickness indicator and the Bosch brand name, confirming authenticity and providing a clear wear limit.
2. Compatibilitat
This front disc brake rotor (286mm) is compatible with the following vehicles. Please verify specific vehicle fitment details using a fit checker or your vehicle's service manual, as trim level or engine size may affect compatibility:
- FORD: 1995-2001 Explorer, 1998-2002 Ranger
- MAZDA: 1998-2002 B3000, 1998-2003 B4000
- MERCURI: 1997-2001 Alpinista
3. Què hi ha a la caixa
- 1 x BOSCH 20010306 QuietCast Premium Disc Brake Rotor
- Manual d'instruccions
4. Instruccions d'instal·lació
Important: Brake system components are critical for vehicle safety. Installation should only be performed by a qualified mechanic or an individual with appropriate automotive repair experience. Always consult your vehicle's specific service manual for detailed, step-by-step instructions and torque specifications.
General Steps (Consult Vehicle Service Manual for Specifics):
- Preparació: Park the vehicle on a level surface, engage the parking brake, and block the rear wheels. Loosen the lug nuts on the wheel to be removed.
- Aixecar i assegurar: Aixequeu el vehicle amb seguretat amb un gat i subjecteu-lo amb suports. Traieu la roda.
- Treure el calibrador: Unbolt the brake caliper from its mounting bracket. Do not let the caliper hang by the brake hose; support it with a wire or bungee cord.
- Remove Caliper Bracket: Remove the bolts securing the caliper mounting bracket and set it aside.
- Treure el rotor antic: The old disc brake rotor may be held in place by retaining clips or screws. Remove these, then slide the old rotor off the wheel hub. If stuck, a rubber mallet may be used to gently tap it loose.
- Neteja la superfície del cub: Thoroughly clean the wheel hub surface to remove any rust, dirt, or debris. A clean mounting surface is crucial for proper rotor seating and to prevent run-out.
- Instal·leu un rotor nou: Place the new BOSCH QuietCast Premium Disc Brake Rotor onto the wheel hub. Ensure it sits flush against the hub.
- Reinstall Caliper Bracket: Reattach the caliper mounting bracket and torque the bolts to the manufacturer's specifications.
- Install New Brake Pads (Recommended): It is highly recommended to replace brake pads when installing new rotors. Install new brake pads into the caliper bracket.
- Reinstal·la Caliper: Carefully slide the caliper over the new pads and rotor. Reinstall the caliper bolts and torque them to specifications.
- Purgar els frens (si cal): If brake lines were opened, bleed the brake system according to your vehicle's service manual.
- Reinstal·lar la roda: Mount the wheel, hand-tighten the lug nuts, lower the vehicle, and then torque the lug nuts to the manufacturer's specifications in a star pattern.
- Repetiu per a l'altre costat: Always replace brake rotors and pads in pairs (both front or both rear).
Visual Aid: BOSCH QuietCast Rotor

Figura 1: De dalt a baix view of the BOSCH 20010306 QuietCast Premium Disc Brake Rotor, showcasing its clean, unblemished surface and central hub with five bolt holes.

Figura 2: Pro lateralfile of the BOSCH QuietCast Premium Disc Brake Rotor, highlighting the internal vane structure designed for efficient heat dissipation.
Related Video: Bosch Braking QuietCast Premium Disc Brake Rotor
Vídeo 1: Un over curtview of the Bosch QuietCast Premium Disc Brake Rotor, highlighting its features and benefits for quiet and reliable braking performance.
Related Video: Disc Thickness Variation Explained
Video 2: An informational video explaining disc thickness variation (DTV), a common issue with brake rotors, and how it can affect braking performance. This video provides context on why precision-balanced rotors are important.
5. Informació operativa
Brake Pad Bedding-In Procedure:
After installing new brake rotors and pads, a proper bedding-in procedure is crucial for optimal performance and longevity. This process transfers a thin, even layer of friction material from the pads to the rotor surface, ensuring consistent braking and reducing noise and vibration.
- Conduïu el vehicle a una velocitat moderada (per exemple, 30-40 km/h).
- Apply the brakes firmly but not aggressively, reducing speed to about 10 mph. Do not come to a complete stop.
- Repeat this process 4-5 times, allowing a few minutes between each stop for the brakes to cool slightly.
- After the initial stops, drive the vehicle for several miles without heavy braking to allow the brakes to cool completely.
- Avoid hard braking or prolonged braking (e.g., riding the brakes down a long hill) for the first 200-300 miles after installation.
Following this procedure helps prevent uneven pad deposits and ensures smooth, quiet, and effective braking.
6. Manteniment
Regular inspection and maintenance of your brake system are essential for safety and performance. The BOSCH QuietCast Premium Disc Brake Rotor is designed for durability, but proper care extends its lifespan.
Manteniment recomanat:
- Inspecció de rutina: Have your brake system, including rotors, pads, and calipers, inspected by a qualified technician at least once a year or every 12,000 miles, whichever comes first.
- Comproveu el desgast: Monitor the rotor surface for signs of excessive wear, scoring, or grooving. The engraved discard thickness on the rotor indicates when it has reached the end of its useful life and requires replacement.
- Neteja: Keep wheels and brake components free from excessive dirt, road salt, and debris, which can contribute to corrosion and uneven wear.
- Líquid de frens: Check brake fluid level and condition regularly. Replace brake fluid according to your vehicle manufacturer's recommendations.
Related Video: Bosch Brake Pads - Engineering and Manufacturing Quality
Video 3: This video showcases the engineering and manufacturing quality of Bosch brake pads, demonstrating the rigorous testing and production processes that ensure high-performance and reliable braking components.
7. Solució De Problemes
If you experience any issues with your brake system, consult a qualified mechanic immediately. Below are common brake-related symptoms and potential causes:
| Símptoma | Causa potencial | Acció |
|---|---|---|
| Pulsating Brake Pedal / Steering Wheel Vibration | Disc Thickness Variation (DTV), warped rotor, uneven pad deposits. | Inspect rotors for run-out and DTV. May require rotor resurfacing or replacement. Ensure proper bedding-in. |
| Soroll de xiscle o grinyol | Worn brake pads (wear indicator), foreign object, improper pad installation, glazed rotors. | Inspect brake pads and rotors. Replace worn pads. Clean and lubricate caliper components. |
| El vehicle tira cap a un costat durant la frenada | Sticking caliper, contaminated brake fluid, uneven brake pad wear, brake hose issue. | Inspect calipers, brake hoses, and pads. Bleed brake system. |
| Pedal de fre tou o esponjós | Air in the brake lines, low brake fluid, faulty master cylinder, brake fluid leak. | Check brake fluid level. Inspect for leaks. Bleed brake system. Inspect master cylinder. |
8. Especificacions
| Especificació | Detall |
|---|---|
| Marca | Bosch |
| Número de model | 20010306 |
| Material | Application Specific, Cast Iron |
| Acabat exterior | Zinc (Corrosion Protection) |
| Tipus de servei del vehicle | Automoció |
| Posició | Davant |
| Pes de l'article | 16 lliures |
| Dimensions del producte | 11.42 x 11.42 x 2.76 polzades |
| UPC | 077212079742 |
| Número d'identificació comercial global | 00077212079742 |
| Fabricant | Bosch Automotive |
9. Garantia i Suport
For specific warranty information, product support, or technical assistance regarding your BOSCH 20010306 QuietCast Premium Disc Brake Rotor, please refer to the official Bosch Automotive website or contact your authorized Bosch retailer. Keep your proof of purchase for any warranty claims.