21206430 S1 Compatible Clutch Servo Repair Kit — Volvo

What does a clutch servo repair kit do?

This clutch servo repair kit is engineered to renew the sealing elements that wear out most often in the clutch actuation circuit, restoring performance to original standards. By replacing worn O-rings and seals, technicians can effectively address pressure loss issues without replacing the entire assembly, provided the cylinder bore and piston remain in good condition.

Compatibility with Volvo D13 engines

This kit is compatible with Volvo D13 engines found in heavy commercial vehicles. It is designed to meet the rigorous operating conditions required by these engine series, ensuring a precise fit for the specified hydraulic or pneumatic components.

Installation and maintenance guidance

When performing installation, technicians should carefully verify the cylinder type and seal orientation to prevent leaks. It is essential to ensure proper lubrication and bleeding of the system during assembly to avoid air pockets in the circuit. For cylinders where the piston surface shows significant scoring, a complete unit replacement may be more effective than a seal-only kit.

Troubleshooting and selection

Always verify that the kit contents match the requirements of the existing servo, specifically regarding seal diameter and material compatibility with the hydraulic fluid used in the vehicle's 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 21206430S1.