Cooper S (R53) L4-1.6L SC (W11) (2004)
Piston Ring: Service and Repair
11 25 671 Replacing piston rings on all pistons (W10/W11)
Remove Pistons
Measuring axial clearance of pistons rings in piston ring groove (1 and 2)
Technical Data:
Note: It is not possible to measure the axial clearance of the oil scraper rings