Oil Spray Jet: Service and Repair

Removing and installing oil spray jets for piston cooling on 4.8-liter DFI engines





Preliminary work

1. Remove crankshaft.

Removing oil spray jets for piston cooling

Information
The type of oil spray jets used depends on the engine number. Always check the engine number when ordering new oil spray jets.

1. Remove oil spray jets -6-. To do this, loosen the screws -7-.





Upper part of crankcase

Installing oil spray jets for piston cooling

Information
The type of oil spray jets used depends on the engine number. Always check the engine number when ordering new oil spray jets.

1. Insert oil spray jets into upper part of crankcase with new sealing rings and screw down - Tightening torque: 10 Nm (7.5 ftlb.) To do this, grease sealing ring using Kluber Syntheso GLEP 1 and fit it. Check that oil spray jets are pointing in the correct direction of spray toward the inside of the piston crown. The oil spray jet must be aimed at the piston crown.





Spray direction





Spray direction from side

Subsequent work

1. Install crankshaft.
2. Assemble the engine.