21965253 S1 Compatible Clutch Servo Repair Kit for Volvo FM

What does a clutch servo repair kit do?

This clutch servo repair kit serves as a critical component for restoring the efficient operation of the clutch actuation system. By replacing worn seals and internal components, technicians can ensure reliable engagement and disengagement of the clutch, maintaining the high performance required in heavy-duty commercial applications.

Compatible Volvo FM models and engines

This specific kit is designed for Volvo FM series trucks, including models such as the FM 300, FM 340, FM 360, FM 370, FM 380, FM 390, FM 400, FM 410, FM 420, FM 430, FM 440, FM 450, FM 460, and the higher output FM 500. It is specifically compatible with vehicles utilizing the D11K engine series.

Installation and maintenance guidance

When performing maintenance on the clutch servo, it is vital to inspect the cylinder bore and piston surface. If the bore remains smooth and free of scoring, this repair kit offers an economical way to renew the system's sealing integrity. Technicians should ensure all surfaces are clean before installation to prevent premature wear of the new seals.

Troubleshooting and service tips

Regular inspection of the clutch servo is recommended during routine fleet service to prevent sudden loss of actuation. For optimal results, always verify that the replacement parts match the existing configuration of the vehicle's pneumatic or hydraulic assist system.

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.