Dual Mass Flywheel - SACHS - 55573985
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Product Information
Full details
The SACHS Dual Mass Flywheel (part number 55573985) is designed for automotive technicians and vehicle owners seeking to restore factory-level engine refinement and vibration damping. This high-precision component excels at neutralizing rotational irregularities in the drivetrain, ensuring a smooth driving experience. However, users should note that as a specialized engine component, it requires professional installation tools and technical expertise to ensure proper torque specifications and alignment.
All features
| Model Part Number | 55573985 |
|---|---|
| Brand | SACHS |
Extended Product Information
FAQs
Do I need to replace my clutch when I replace the flywheel?
Yes, it is strongly recommended to replace the entire clutch kit when replacing the dual mass flywheel to ensure proper surface contact and extended longevity.
Can I resurface this flywheel?
No, dual mass flywheels should generally not be resurfaced due to the internal spring mechanism; replacement is the standard procedure.
How do I confirm this fits my car?
Check your vehicle service manual or use an automotive parts compatibility database by cross-referencing your VIN with SACHS part number 55573985.
What is the primary benefit of a Dual Mass Flywheel over a single mass one?
The dual mass design provides superior vibration damping, which results in quieter operation and reduced wear on the transmission components.
Are new bolts required?
Yes, always use new flywheel bolts as they are typically designed as single-use items that stretch upon final torquing.
Troubleshooting
Excessive vibration after installation
Verify that all flywheel mounting bolts were tightened to the manufacturer's specific torque and in the correct star pattern.
Clutch pedal feels inconsistent
Ensure the clutch disc was properly centered during installation and that the pressure plate bolts were torqued evenly.
Pros and Cons
Pros
- Superior reduction of powertrain noise and vibration
- Direct fit replacement for original components
- Constructed to withstand high thermal and mechanical stress
- Restores smooth clutch engagement and pedal feel
Cons
- Requires professional mechanical knowledge for safe installation
- Heavy component requiring careful handling during removal and replacement
- Best results require simultaneous replacement of the clutch kit
Setup, Compatibility & Care
Before beginning installation, verify the exact match between the SACHS 55573985 part number and your specific vehicle identification number (VIN). Proper installation requires removing the transmission and old clutch assembly to access the flywheel. Always use new mounting bolts, as these are often torque-to-yield fasteners that cannot be reused.
Best Practices for Care:
- Ensure the friction surface is cleaned with a non-residue brake cleaner before installing the new clutch disc.
- Avoid dropping the flywheel, as internal damping springs can be damaged by sudden impact.
- Always inspect the rear main seal while the flywheel is removed, as it is a high-labor job to access it later.
- Replace the full clutch kit (pressure plate, disc, and release bearing) at the same time to prevent uneven wear on the new flywheel surface.