Rotate the crankshaft so that Cylinders 1 and 4 are at top dead center (TDC).
Remove the piston oil nozzles from Cylinders 1 and 4 using a 3/8 inch wobble extension drive with a 6 mm hex drive bit. Remove the piston oil nozzles. (Crankshaft removed for illustrative purposes.)
Rotate the crankshaft so that Cylinders 2 and 3 are at TDC. Remove the piston oil nozzles.
Install new piston oil nozzles. Turn the extension by hand to ensure that the threads are aligned. Use a long screwdriver to ensure that the nozzle does not rotate and make sure that the locating pin is properly indexed in its hole.
Tighten Tighten the piston oil nozzle bolts to 15 N·m (11 lb ft).