Sachs 994 358 - Coil Spring

Product Overview

The Sachs 994 358 Coil Spring is a high‑performance suspension component designed for rear axle applications in Volkswagen vehicles, particularly the Touran and Golf Touran models. This coil spring delivers precise load distribution, superior durability, and consistent ride quality under varying driving conditions.

Key Features

• Exact Fitment: Engineered to match the original specifications of the VW 1K0511115BM rear suspension system.
• High‑Grade Material: Constructed from premium steel alloy, providing excellent fatigue resistance and long service life.
• Optimized Coil Geometry: The spring’s helix design ensures smooth compression and rebound characteristics, enhancing vehicle stability.
• Compatibility: Suitable for both left‑hand drive (LHD) and right‑hand drive (RHD) configurations across multiple VW model years.
• OEM Quality Assurance: Meets or exceeds the original equipment manufacturer standards set by Volkswagen.

Technical Specifications

Installation Guidance

Installing the Sachs 994 358 Coil Spring requires careful attention to torque specifications and alignment. Follow these steps for optimal performance:

1. Preparation: Ensure the vehicle is securely lifted and supported on jack stands.
2. Removal of Old Spring: Detach the existing coil spring using a suitable spring compressor tool to avoid injury.
3. Spring Compression: Apply the compressor to the new spring, maintaining uniform pressure throughout the helix.
4. Mounting: Place the compressed spring onto the rear axle assembly, aligning it with the mounting brackets.
5. Tightening Sequence: Tighten all fasteners in a cross‑pattern sequence to ensure even load distribution.
6. Torque Verification: Use a calibrated torque wrench to achieve the manufacturer’s specified torque values.
7. Final Check: Inspect for any misalignment or play before lowering the vehicle and conducting a test drive.

Performance Benefits

The integration of the Sachs 994 358 Coil Spring into a VW rear suspension system yields several tangible advantages:

• Enhanced Ride Comfort: The spring’s controlled compression reduces road shock transmission to occupants.
• Improved Handling: Consistent spring rates maintain vehicle balance during cornering and braking.
• Extended Component Life: High‑quality steel construction resists wear, lowering maintenance frequency.
• Predictable Load Response: The spring’s design ensures reliable performance across a range of payloads.

Compatibility Matrix

The coil spring is specifically tailored for the following VW models and engine variants:

Quality Assurance & Standards

The Sachs 994 358 Coil Spring is manufactured under stringent quality control protocols:

• All components undergo dimensional inspection to match OEM tolerances.
• Material certification ensures compliance with automotive industry standards.
• Each spring is subjected to fatigue testing simulating long‑term usage scenarios.

Maintenance Tips

To preserve the integrity of the coil spring, consider the following maintenance practices:

• Inspect for visible damage or deformation during routine suspension checks.
• Avoid overloading the vehicle beyond its specified payload limits.
• Keep the mounting area clean to prevent corrosion that could affect spring performance.

Conclusion

The Sachs 994 358 Coil Spring represents a reliable, OEM‑grade solution for rear axle suspension in Volkswagen Touran and Golf Touran vehicles. Its precise engineering, durable construction, and proven compatibility make it an essential component for maintaining optimal ride quality and vehicle handling.