21710522 S2 Compatible Clutch Servo Repair Kit for Volvo FH

What does a clutch servo repair kit do?

This clutch servo repair kit serves to renew the critical sealing elements that undergo wear within the clutch actuation circuit. By replacing these components, technicians can restore the clutch actuation to its original performance levels, making it an efficient solution for maintaining heavy commercial vehicle systems.

Vehicle and engine compatibility

This kit is specifically compatible with Volvo FH series, including models 400, 420, 440, 460, 480, 500, 520, and 540. It is also designed for use in Volvo FH16 vehicles equipped with the D16E engine. These parts ensure precise fitment for the specified heavy-duty applications.

Installation and maintenance guidance

For successful installation, workshop technicians should verify the cylinder type and seal orientation before proceeding. It is essential to ensure proper lubrication and bleeding of the system during the assembly process to prevent air pockets. If the internal bore shows signs of scoring or exceeds service limits, a complete unit replacement may be required.

Troubleshooting and selection

Maintaining the clutch servo through regular inspection of seals and O-rings helps prevent pressure loss in the actuation system.

OE cross-reference

306.01.0012.02 (Clutch Servo Repair Kit) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21710522S2.