1. المقدمة
This instruction manual provides essential information regarding the Porsche 955 352 401 31 Disc Brake Rotor. It covers product compatibility, safety guidelines, installation considerations, maintenance procedures, and technical specifications. Proper installation and maintenance are crucial for optimal vehicle performance and safety.
2. انتهى المنتجview

Figure 1: Porsche 955 352 401 31 Disc Brake Rotor
The image above displays the Porsche 955 352 401 31 Disc Brake Rotor. This component is designed for the rear axle of specific Porsche Cayenne models. It features a grey central hub with multiple bolt holes for secure mounting and a silver braking surface. A label indicating 'Made in Germany' is visible on the hub, signifying its origin. The rotor is a critical part of the vehicle's braking system, working in conjunction with brake calipers and pads to slow down and stop the vehicle.
3. التوافق
This disc brake rotor (Part Number 955 352 401 31) is compatible with the rear axle of the following Porsche Cayenne models:
- Porsche Cayenne (955)
- 3.2L V6 REAR
- 4.5L S REAR
- 4.5L Turbo REAR
- Porsche Cayenne (957)
- 3.6L V6 REAR
- 4.8L S REAR
- 4.8L GTS REAR
- 3.0L DIESEL MKII REAR
- Porsche Cayenne (958)
- V6 3.0L DIESEL REAR
- V6 3.0L HYBRID REAR
- V8 4.8L S REAR
ملاحظة هامة: This rotor is specifically for vehicles equipped with 430mm/17 inch discs and either BLACK calipers (option code: I1KW) or SILVER calipers (option code: I1KY).
4. معلومات السلامة
Working on vehicle braking systems requires specialized knowledge, tools, and safety precautions. Improper installation or maintenance can lead to brake failure, serious injury, or death. Always adhere to the following safety guidelines:
- يوصى بالتركيب الاحترافي: It is highly recommended that this component be installed by a certified automotive technician.
- دعم المركبات: Always use appropriate jack stands to support the vehicle after lifting. Never rely solely on a jack.
- معدات الحماية الشخصية (PPE): Wear safety glasses, gloves, and other necessary PPE to prevent injury.
- سائل الفرامل: Brake fluid is corrosive. Avoid contact with skin and vehicle paint.
- مواصفات عزم الدوران: Always tighten fasteners to the manufacturer's specified torque values.
- Bedding-In Procedure: Follow the recommended bedding-in procedure for new brake rotors and pads to ensure optimal performance and longevity.
5. التثبيت
The installation of a disc brake rotor is a complex procedure. The following steps are a general overview and should be performed by a qualified technician following the specific service manual for your Porsche Cayenne model.
- تجهيز السيارة: Park the vehicle on a level surface, engage the parking brake, and block the wheels. Loosen lug nuts on the wheel to be serviced.
- الرفع والتأمين: Lift the vehicle using a hydraulic jack and secure it with jack stands. Remove the wheel.
- إزالة مكابح الفرامل: Carefully unbolt and remove the brake caliper from its mounting bracket. Do not let the caliper hang by the brake hose; support it with a hanger or wire.
- قم بإزالة وسادات الفرامل: قم بإزالة وسادات الفرامل القديمة من دعامة الفرجار.
- إزالة الدوار القديم: Remove any retaining screws or clips holding the old rotor in place. The rotor may be seized to the hub; use a rubber mallet or penetrating oil if necessary.
- تنظيف سطح المحور: Thoroughly clean the wheel hub surface to remove any rust or debris. A clean, flat surface is critical for proper rotor seating.
- تركيب الدوار الجديد: Place the new Porsche 955 352 401 31 Disc Brake Rotor onto the wheel hub. Ensure it sits flush against the hub.
- تركيب وسادات فرامل جديدة: Install new brake pads into the caliper bracket. It is highly recommended to replace brake pads when replacing rotors.
- إعادة تثبيت الفرجار: Reinstall the brake caliper and tighten its mounting bolts to the manufacturer's specified torque.
- إعادة تثبيت العجلة: Mount the wheel, hand-tighten lug nuts, lower the vehicle, and then torque the lug nuts to specification.
- فحص نظام الفرامل: Pump the brake pedal several times to seat the pads against the rotor before driving. Check brake fluid level.
6. الوظيفة والتشغيل
The disc brake rotor is a crucial component of your vehicle's friction braking system. When the brake pedal is pressed, hydraulic pressure forces the brake calipers to clamp the brake pads against the rotating rotor. This friction converts the vehicle's kinetic energy into heat, slowing down and eventually stopping the vehicle. The design and material of the rotor are engineered to dissipate this heat efficiently and provide consistent braking performance under various conditions.
7. الصيانة
Regular inspection and proper maintenance are essential for the longevity and safe operation of your brake rotors.
- التفتيش الروتيني: Inspect rotors for wear, cracks, grooves, or discoloration during tire rotations or other vehicle services.
- الحد الأدنى للسمك: Rotors have a minimum thickness specification. If the rotor wears below this limit, it must be replaced. Consult your vehicle's service manual for specific values.
- تنظيف: Keep rotors free from oil, grease, and brake fluid. Use appropriate brake cleaner if necessary.
- استبدال وسادة الفرامل: Always replace brake pads when replacing rotors. Ensure new pads are compatible with the rotor material.
- Bedding-In: After installation, perform a proper bedding-in procedure to optimize brake performance and prevent premature wear. This typically involves a series of moderate stops from varying speeds without coming to a complete stop, allowing the pads and rotors to mate properly.
8. استكشاف الأخطاء وإصلاحها
If you experience any of the following symptoms, your brake rotors may require inspection or replacement:
- الاهتزاز أو النبض: A vibrating or pulsating sensation felt through the brake pedal or steering wheel during braking often indicates warped or unevenly worn rotors.
- صوت صرير أو طحن: While squealing can be caused by brake pads, a persistent grinding noise often suggests severely worn pads or rotors.
- انخفاض أداء الكبح: If the vehicle takes longer to stop or requires more pedal effort, it could be a sign of brake system issues, including rotor wear.
- الأضرار المرئية: Deep grooves, cracks, or excessive rust on the rotor surface are clear indicators for replacement.
If any of these symptoms occur, have your vehicle's braking system inspected by a qualified technician immediately.
9. المواصفات
| مواصفة | التفاصيل |
|---|---|
| رقم القطعة | 955 352 401 31 |
| الشركة المصنعة | بورشه |
| ماركة | بورشه |
| نوع خدمة المركبة | Cars (Porsche Cayenne) |
| قطر القرص | 430mm / 17 inch (for compatible models) |
| التنسيب | المحور الخلفي |
| أصل | صنع في ألمانيا |
10. معلومات الضمان
For detailed warranty information regarding the Porsche 955 352 401 31 Disc Brake Rotor, please refer to the official Porsche warranty documentation provided with your purchase or consult an authorized Porsche dealership. Warranty terms and conditions typically cover manufacturing defects and may vary based on region and purchase date.
11. الدعم
Should you require further assistance, technical support, or have questions regarding the Porsche 955 352 401 31 Disc Brake Rotor, please contact:
- An authorized Porsche dealership or service center.
- The official Porsche customer service channels.
Always provide the full part number (955 352 401 31) and your vehicle's VIN when seeking support to ensure accurate assistance.





