2014 Jeep Wrangler JK Factory Service Manual 09 - Engine, 2.8L Diesel

JET, Piston Oil Cooler

DESCRIPTION

There are four oil jets installed in the engine block. These oil jets are used to cool and lubricate the piston assemblies.

REMOVAL

CAUTION:

Use caution when removing and installing oil jets. Damage to oil jet nozzle could cause severe engine damage. Care must be taken not to damage the crankshaft tone ring when removing cylinder number four oil jet.



NOTE:

To prevent damage to the oil jets, remove the oil jets before removing the pistons.

  1. Disconnect the negative battery cable.

    2.  
  2. Remove the balance shaft assembly (Refer to 09 - Engine/Engine Block/MODULE, Balance Shaft - Removal) .

    3.  
  3. Remove bolt and the oil jet (1).

    4.  

INSTALLATION

CAUTION:

Use caution when removing and installing oil jets. Damage to oil jet nozzle could cause severe engine damage.

  1. Lubricate oil jet O-ring seal.

    2.  
  2. Install oil jet (1). Tighten bolt to 11 N·m (97 in. lbs.).

    3.  
  3. Install the balance shaft assembly (Refer to 09 - Engine/Engine Block/MODULE, Balance Shaft - Installation) .

    4.  
  4. Connect the negative battery cable.

    5.