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

SEAL, Crankshaft Oil, Rear

DESCRIPTION

The rear crankshaft seal consists of a seal and a seal carrier (1). The rear seal is inserted into the carrier. Once assembled the rear main seal assembly should not be separated to reduce the possibility of damage to the internal rear seal lip.

REMOVAL



NOTE:

This must be done with either the engine or transmission removed from vehicle.


  1. On automatic transmission vehicles, remove the flex plate (Refer to 09 - Engine/Engine Block/FLEXPLATE - Removal) .

    2.  
  2. On manual transmission vehicles, remove the flywheel (Refer to 06 - Clutch/FLYWHEEL - Removal) .

    3.  
  3. Remove the Crankshaft Position (CKP) sensor (Refer to 14 - Fuel System/Fuel Injection/SENSOR, Crankshaft Position - Removal) .

    4.  
  4. Remove the upper oil pan (Refer to 09 - Engine/Lubrication/PAN, Oil - Removal) .

    5.  
  5. Remove the crankshaft sensor tone wheel before removing the rear main oil seal.

    6.  
  6. Remove the bolts that secure the rear oil seal carrier (1) to the engine block (3).

    7.  
  7. Remove the rear oil seal carrier and gasket (2).

    8.  
  8. Remove the rear crankshaft oil seal from the rear oil seal carrier (1).

    9.  

INSTALLATION

Special Tools: Click to display a list of tools used in this procedure

  1. Clean the rear crankshaft oil seal and seal carrier sealing surfaces.

    2.  
  2. Position the rear main seal carrier gasket (2) onto the rear of the engine block.

    3.  
  3. Using Crankshaft Seal Installer VM.9993 , install rear crankshaft oil seal into the rear main seal carrier (1).

    4.  
  4. Install the rear main seal carrier onto the engine block (3).

    5.  
  5. Loosely install the bolts that secure the rear oil seal carrier (2) to the engine block.

    6.  
  6. Using the Front and Rear Seal Tool VM.9990 (1) to set the depth of the rear main seal (2).

    7.  
  7. Using the illustration shown, tighten the rear cover bolts to 15 N·m (133 in. lbs.).

    8.  
  8. Install the upper oil pan (Refer to 09 - Engine/Lubrication/PAN, Oil - Installation) .

    NOTE:

    Make sure the crankshaft sensor tone wheel is positioned correctly on the crankshaft.


    9.  
  9. Install the Crankshaft Position Sensor (CKP) (Refer to 14 - Fuel System/Fuel Injection/SENSOR, Crankshaft Position - Installation) .

    NOTE:

    If equipped, manual transmission models with start/stop, there is a special tone wheel for this option that needs to be installed. (Refer to 06 clutch/flywheel installation).


    10.  
  10. Install the crankshaft sensor tone wheel to the rear of the crankshaft.

    11.  
  11. On manual transmission models, install the flywheel (Refer to 06 - Clutch/FLYWHEEL - Installation)

    12.  
  12. On automatic transmission vehicles, Install the flex plate (Refer to 09 - Engine/Engine Block/FLEXPLATE - Installation) .

    13.