Product Overview
This manual provides essential information for the installation, operation, and maintenance of your new High Quality 4X Front Rear Shock Absorbers with Skyhook system, designed specifically for the Maserati Quattroporte M139 models from 2004 onwards. These shock absorbers are engineered to provide adjustable resistance, enhancing ride comfort and vehicle handling.
Compatibility
These shock absorbers are compatible with the following Maserati Quattroporte M139 models:
| Year | Engine Type | Engine Code | Power (KW/HP) |
|---|---|---|---|
| 2008 | 4.2 Petrol Saloon | M139 A | 294KW / 400HP |
| 2008 | 4.2 Petrol Saloon | M139 A | 295KW / 400HP |
| 2008 | 4.2 Petrol Saloon | M 139 P | 298KW / 405HP |
| 2008 | 4.7 GT S Petrol Saloon | M 139 L;M 139 S | 323KW / 439HP |
| 2008 | 4.7 S Petrol Saloon | M 139 R | 317KW / 431HP |
| 2007 | 4.2 Petrol Saloon | M139 A | 294KW / 400HP |
| 2007 | 4.2 Petrol Saloon | M139 A | 295KW / 400HP |
| 2007 | 4.2 Petrol Saloon | M 139 P | 298KW / 405HP |
| 2006 | 4.2 Petrol Saloon | M139 A | 294KW / 400HP |
| 2006 | 4.2 Petrol Saloon | M139 A | 295KW / 400HP |
| 2006 | 4.2 Petrol Saloon | M 139 P | 298KW / 405HP |
| 2005 | 4.2 Petrol Saloon | M139 A | 294KW / 400HP |
| 2005 | 4.2 Petrol Saloon | M139 A | 295KW / 400HP |
| 2005 | 4.2 Petrol Saloon | M 139 P | 298KW / 405HP |
| 2004 | 4.2 Petrol Saloon | M139 A | 294KW / 400HP |
| 2004 | 4.2 Petrol Saloon | M139 A | 295KW / 400HP |
| 2004 | 4.2 Petrol Saloon | M 139 P | 298KW / 405HP |
Please verify your vehicle's exact specifications and existing part numbers to ensure proper fitment.
Setup and Installation
Installation of shock absorbers, especially those integrated with advanced electronic systems like Skyhook, requires specialized knowledge and tools. It is highly recommended that installation be performed by a qualified automotive technician.
General Installation Guidelines (Professional Installation Recommended):
- Safety First: Ensure the vehicle is securely lifted and supported on jack stands. Disconnect the battery before beginning work on electrical components.
- Remove Old Components: Carefully remove the existing shock absorbers, paying attention to all mounting points, bolts, and electrical connections.
- Inspect Mounting Points: Check all mounting hardware and surrounding suspension components for wear or damage. Replace as necessary.
- Install New Shock Absorbers:
- Position the new shock absorber into its mounting locations (Front, Rear, Left, Right as appropriate).
- Secure all bolts to the manufacturer's specified torque settings.
- Connect the Skyhook system's electrical wiring securely. Ensure connections are clean and free from corrosion.
- Final Checks:
- Verify all connections are tight and secure.
- Ensure no wires are pinched or exposed to moving parts.
- Reconnect the vehicle battery.
- Perform a wheel alignment after installation to ensure proper vehicle handling and tire wear.
Operating the Skyhook System
The Skyhook system is an electronically controlled damping system that continuously adjusts the shock absorber's resistance based on road conditions and driving style. This provides optimal comfort and handling by adapting the suspension in real-time.
Key Features:
- Adaptive Damping: The system automatically adjusts the damping force of each shock absorber independently.
- Driver Selectable Modes: Your Maserati Quattroporte's vehicle control system typically allows you to select different driving modes (e.g., Sport, Comfort) which will influence the Skyhook system's damping characteristics. Refer to your vehicle's owner's manual for specific instructions on selecting these modes.
- Enhanced Stability: By continuously optimizing damping, the Skyhook system helps reduce body roll during cornering and minimizes dive/squat during braking and acceleration.
No direct user interaction with the shock absorbers themselves is required; the system is managed through the vehicle's onboard electronics.
Maintenance
Proper maintenance of your vehicle's suspension system is crucial for longevity and performance. While these shock absorbers are designed for durability, regular checks are recommended.
Recommended Maintenance Checks:
- Visual Inspection (Every 10,000-15,000 miles or annually):
- Check for any signs of fluid leaks around the shock absorber body.
- Inspect the rubber boots and bushings for cracks, tears, or excessive wear.
- Examine the electrical wiring for the Skyhook system for any damage, fraying, or loose connections.
- Look for bent or damaged shock shafts.
- Performance Check: Pay attention to changes in ride quality, excessive bouncing, or unusual noises from the suspension.
- Cleaning: Keep the shock absorbers and surrounding areas free from excessive dirt, salt, and debris, which can accelerate wear.
Any signs of damage or wear should be addressed promptly by a qualified technician.
Troubleshooting
If you experience issues with your vehicle's suspension after installing these shock absorbers, consider the following common problems and potential solutions:
| Symptom | Possible Cause | Action |
|---|---|---|
| Excessive Bouncing / Poor Ride Quality | Worn or damaged shock absorber, incorrect installation, Skyhook system malfunction. | Inspect for leaks or damage. Verify proper installation and electrical connections. Check vehicle's diagnostic codes for Skyhook system errors. |
| Unusual Noises (clunking, squeaking) | Loose mounting bolts, worn bushings, damaged components. | Check all mounting points for tightness. Inspect bushings for wear. Professional inspection recommended. |
| Fluid Leaks from Shock Absorber | Damaged seal, internal component failure. | Shock absorber requires replacement. |
| Skyhook System Warning Light On | Electrical fault, sensor issue, internal shock absorber failure. | Have the vehicle scanned for diagnostic trouble codes (DTCs) by a qualified technician. Check wiring connections. |
For any persistent issues, consult with a professional automotive service center specializing in Maserati vehicles.
Specifications
| Attribute | Value |
|---|---|
| Type | Shock & Strut Set, Resistance Adjustable |
| Material | Steel + Rubber |
| Placement on Vehicle | Front, Rear, Left, Right |
| Country/Region of Manufacture | Italy (Origin) |
| Interchange Part Number | 202959, 209806, 202960 |
| Manufacturer Part Number | 202959, 209806, 202960 |
| OEM NO. | 202959, 209806, 202960 |
| Special Features | Resistance Adjustable |
| Item Weight | 20 kg (approximate) |
| Item Height | 20 cm (approximate) |
| Item Width | 20 cm (approximate) |
| Item Length | 70 cm (approximate) |
Note: Dimensions and weight are approximate and may vary slightly.
User Tips
- Professional Installation: Given the complexity of the Skyhook system and the importance of proper suspension function for safety and performance, always opt for professional installation by a certified mechanic.
- Post-Installation Alignment: After replacing any suspension components, it is crucial to have a wheel alignment performed to ensure correct steering geometry and prevent premature tire wear.
- Regular Inspections: Incorporate visual checks of your shock absorbers and their wiring into your routine vehicle maintenance schedule to catch potential issues early.
Warranty and Support
For any questions regarding the product, technical support, or warranty claims, please contact the seller directly. Ensure you have your purchase details readily available when contacting support.
The manufacturer stands behind the quality of these shock absorbers. Specific warranty terms and conditions may apply and are typically provided at the time of purchase or can be obtained from the seller.