I would replace the RCM module and crankshaft sensor as preventive maintenance also if it's not been done : bleed brakes and replace all the old brake fluid if it's a manual 6 spd bleed clutch slave it shares the same brake fluid as the brakes

rcm : https://www.autohausaz.com/pn/MB-1705450305

crankshaft sensor Bosch : https://www.autohausaz.com/pn/0031532828