21965253 S1 Compatible Clutch Servo Repair Kit for Volvo FMX

Clutch servo repair kit function

This clutch servo repair kit is designed to restore the efficient operation of the clutch actuation system in heavy-duty vehicles. By replacing worn internal components, technicians can ensure consistent pressure and smooth engagement, preventing premature failure of the entire clutch servo assembly.

Vehicle compatibility and engine fitment

This specific repair kit is compatible with Volvo FMX trucks featuring the D13K engine, as well as various Volvo FM models including the FM 480, FM 450, and FM 500. It serves as a precise solution for maintaining the hydraulic or pneumatic assistance required for heavy-duty gear shifting.

Maintenance and installation guidance

When performing maintenance, workshop technicians should inspect the cylinder bore and piston surface to determine if a sealing kit is sufficient or if a complete piston assembly is required. Proper installation ensures that the seals and O-rings maintain correct pressure within the clutch servo unit.

Troubleshooting and system care

Regular inspection of the clutch servo helps prevent unexpected downtime in fleet operations. Ensuring all seals and boots are in good condition maintains the integrity of the clutch system under heavy loads.

OE cross-reference

306.01.0012.01 (Clutch Servo Repair Kit) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21965253S1.