<< D >> Valve Spring Retainer Lock Removal
- Screw in special tool MB992090 to special tool MD998772 and assemble special tool MB992089.CAUTION: When removing the valve spring retainer lock, leave the piston of the cylinder in the TDC (Top Dead Center) position. The valve may fall into the cylinder if the piston is not properly in the TDC position.
- Install special tool MD998772 (with special tools MB992090 and MB992089 attached) to the cylinder head and compress the valve spring. Then, remove the valve spring retainer lock.