2012 Jeep Wrangler JK Factory Service Manual 09 - Engine, 2.8L Diesel

OIL

DESCRIPTION

DESCRIPTION

Refer to the Lube and Maintenance section for oil specifications (Refer to 04 - Vehicle Quick Reference/Capacities and Recommended Fluids - Specifications) .

STANDARD PROCEDURE - ENGINE OIL AND FILTER CHANGE

STANDARD PROCEDURE - ENGINE OIL AND FILTER CHANGE


WARNING:

New or used engine oil can be irritating to the skin. Avoid prolonged or repeated skin contact with engine oil. Contaminants in used engine oil, caused by internal combustion, can be hazardous to your health. Thoroughly wash exposed skin with soap and water. Do not wash skin with gasoline, diesel fuel, thinner, or solvents, health problems can result. Do not pollute, dispose of used engine oil properly. Contact your dealer or government agency for location of collection center in your area.

Change the engine oil and filter at mileage and time intervals described in the Maintenance Schedule (Refer to 04 - Vehicle Quick Reference/Maintenance Schedules - Description) .


  1. Run the engine until achieving normal operating temperature.

    2.  
  2. Position the vehicle on a level surface and turn the engine off.

    3.  
  3. Remove the air inlet tube from air cleaner housing and position aside.

    4.  
  4. Place an oil absorbent cloth around the oil filter housing at the base.

    5.  
  5. Rotate the oil filter cap (2) counterclockwise and remove the oil filter (1) and cap.

    CAUTION:

    When performing an engine oil change, the oil filter cap must be removed. Removing the oil filter cap releases oil held within the oil filter cavity and allows it to drain into the sump. Failure to remove the cap prior to reinstallation of the drain plug will not allow complete draining of the used engine oil.



    NOTE:

    The oil filter (1) is attached to the oil filter cap (2).


    6.  
  6. While holding the oil filter cover (2), pushdown on base oil filter (1) to separate from cover and remove the oil filter (1).

    7.  
  7. Raise and support the vehicle (Refer to 04 - Vehicle Quick Reference/Hoisting - Standard Procedure) .

    8.  
  8. Place a suitable drain pan under the oil pan.

    9.  
  9. Remove drain plug and drain the engine oil.

    10.  
  10. Inspect the drain plug threads for stretching or other damage. Replace the drain plug if damaged.

    11.  
  11. Using a new copper sealing washer, install and tighten oil drain plug to 54 N·m (40 ft. lbs.).

    12.  
  12. Lower the vehicle.

    NOTE:

    It is not necessary to pre-oil the oil filter or fill the oil filter housing.


    13.  
  13. Lubricate and install the new oil filter cap O-ring gasket (2). Make sure the oil filter cap O-ring is in the correct location.

    14.  
  14. Install the oil filter (1) into oil filter cap (2).

    15.  
  15. Install oil filter cap (1) and tighten to 25 N·m (18 ft. lbs.). 

    16.  
  16. Install the air inlet tube to air cleaner housing and securely tighten clamp.

    17.  
  17. Fill the crankcase with the specified type and amount of engine oil (Refer to 04 - Vehicle Quick Reference/Capacities and Recommended Fluids - Specifications) .

    18.  
  18. Start the engine and inspect for leaks.

    19.  
  19. Stop the engine and check the oil level.

    20.  

OIL FILTER SPECIFICATION

All engines are equipped with a high quality full-flow, disposable type oil filter. When replacing oil filter, use a Mopar® filter or equivalent.


USED ENGINE OIL DISPOSAL

Care should be exercised when disposing of used engine oil after it has been drained from a vehicle engine. Refer to the WARNING listed above.