SACHS 315 990 Shock Absorber For Citroen C4 II

SACHS 315 990 Shock Absorber – Precision Suspension Component for the Citroën C4 II

The SACHS 315 990 shock absorber is engineered to deliver superior damping performance and ride comfort for the Citroën C4 II (2009‑2011). Designed with advanced gas‑pressurised technology, this component ensures consistent handling across a wide range of driving conditions.

Key Technical Specifications

• Model: 315 990
• Application: Rear axle – front and rear suspension systems on the Citroën C4 II, including 5‑door hatchback, van, and estate variants.
• Type: Gas‑pressurised shock absorber with a sealed piston rod.
• Operating Pressure: Optimised for the vehicle’s suspension geometry to maintain neutral ride height.
• Dimensions: Tailored to fit the original mounting points and clearances of the C4 II chassis.

Design Features & Performance Benefits

The SACHS 315 990 incorporates several engineering advancements that translate into tangible driving advantages:

• Gas‑Pressurised Chamber: Eliminates fluid cavitation, providing smooth damping and reducing noise.
• High‑Strength Steel Construction: Offers durability against road impacts and long‑term wear.
• Optimised Bushing Geometry: Minimises friction losses, enhancing responsiveness during cornering.
• Pre‑sealed Piston Rod: Prevents fluid leakage, ensuring consistent performance over the component’s lifespan.

Compatibility & Vehicle Integration

The shock absorber is specifically calibrated for the Citroën C4 II’s suspension layout. It matches the original mounting brackets and lever arm lengths, guaranteeing:

• Exact Fitment: No modification required to existing suspension components.
• Consistent Ride Height: Maintains factory‑specified vehicle stance.
• Balanced Handling: Works in concert with the front shocks and sway bars for symmetrical dynamics.

Installation Overview

Replacing a worn shock absorber is straightforward, yet precision is essential. Follow these steps to ensure optimal performance:

1. Secure the Vehicle: Raise the rear axle using a hydraulic jack and support with jack stands.
2. Remove Old Shock: Detach the upper mounting bolt, lower mounting bolt, and any retaining clips. Carefully slide out the old shock absorber.
3. Position New Shock: Align the new SACHS 315 990 with the mounting points. Insert the bolts and tighten to the manufacturer’s torque specification.
4. Re‑lower Vehicle: Lower the car slowly, ensuring no obstruction to the shock movement.
5. Final Check: Verify all fasteners are secure and that the shock moves freely without binding.

Maintenance & Longevity Tips

While SACHS shocks are built for durability, routine checks can extend their service life:

• Visual Inspection: Look for oil leaks around the mounting points or piston rod.
• Functional Test: Push down on each wheel; the vehicle should rebound smoothly without excessive bounce.
• Replace When Needed: If you notice a noticeable loss in ride quality, consider replacing both front and rear shocks for balanced handling.

Why Choose SACHS?

SACHS is renowned for its commitment to automotive excellence. The 315 990 shock absorber embodies this reputation through:

• Precision Engineering: Each unit undergoes rigorous testing against industry standards.
• Quality Materials: High‑grade steel and advanced sealing technologies reduce wear.
• Proven Track Record: Widely adopted across European vehicle models, reflecting trust from professional mechanics.

Conclusion

The SACHS 315 990 Shock Absorber is a premium suspension component designed to restore and enhance the driving dynamics of the Citroën C4 II. Its gas‑pressurised design, precise fitment, and robust construction make it an ideal choice for owners seeking reliable performance and lasting comfort.