303.04.0130.02 Repair Kit for ECAS Solenoid Valves

What is an ECAS solenoid valve repair kit?

An ECAS solenoid valve repair kit is a service set designed to renew the worn elements inside the solenoid valve blocks of an electronically controlled air suspension system, including O-rings, gaskets, diaphragms, the plunger, spring, and filter. These components work together to fill and vent the air bellows based on control unit commands, maintaining a constant chassis height for the vehicle.

Vehicle and engine compatibility

This repair kit is compatible with Knorr-Bremse systems and is extensively used in heavy commercial vehicles such as Volvo FH13, FM11, FMX, and VNL series, as well as Renault Trucks Premium and Magnum models. It also serves various engine configurations including D13, D12, and DXi11 series. Using a high-quality service kit allows for the restoration of the valve block without the need for a full replacement.

Installation and maintenance

For workshop technicians, regular inspection of sealing elements is crucial to prevent leaks or delayed level responses. When performing installation, ensure all surfaces are clean and that the new O-rings and gaskets are correctly seated to maintain system pressure. Proper maintenance helps prevent vehicle sagging while parked.

Troubleshooting suspension issues

Monitoring for symptoms such as uneven ride height or air leaks can help identify when a service kit is required to maintain optimal suspension performance.