303.04.0021.08 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. This kit includes essential components such as O-rings, gaskets, diaphragms, the plunger, spring, and filter to ensure reliable operation. By replacing these internal elements, the valve block can be restored to its original performance levels without the need for a complete unit replacement.

Vehicle compatibility and applications

This repair kit is compatible with WABCO systems and is widely used in various heavy commercial vehicle applications. It is suitable for Volvo models including FM13, VHD, FM11, FH12, FM10, VNL, NH12, B13R, FH13, FH16, and B11R. Additionally, it serves Ford Trucks Cargo series (1824, 2530, 3230, 2524, 1830, 3530), Renault Trucks Premium and Magnum models, and Mack Pinnacle or Granite series.

Maintenance and installation guidance

When performing maintenance on the air suspension system, it is vital to check for symptoms like air leaks, delayed level response, or vehicle sagging while parked. Technicians should verify the specific valve type and port count before installation to ensure a precise fit. Proper maintenance of the solenoid valve block helps maintain constant chassis height and ensures long-term stability for the vehicle's pneumatic suspension system.

Troubleshooting suspension symptoms

For optimal results during service, always inspect the electrical connector pins and ensure all sealing surfaces are clean before installing the new gaskets and O-rings. Consult your authorized distributor for compatibility confirmation.