Jeep Wrangler: SCHEDULED SERVICING — DIESEL ENGINE / Additional Maintenance — B6 To B20 Biodiesel


  • Under no circumstances should oil change intervals exceed 8,000 miles (12,875 km) or six months, whichever comes first when using biodiesel blends greater than 5% (B5).
  • The owner is required to monitor mileage for B6-B20 biodiesel, the automatic oil change indicator system does not reflect the use of biofuels.
  • Fuel filter change interval is maintained at every second oil change. This is especially important with biodiesel usage.

    Maintenance Plan — Diesel Fuel Up To B5 Biodiesel

    Refer to the maintenance plan for the required maintenance intervals. WARNING! You can be badly injured working on or around a motor vehicle. Do only service work for which you have the knowledge and the right equipment...



    Other information:

    Jeep Wrangler 2018-2024 Owners Manual: Water In Fuel Indicator Light — If Equipped

    The “Water In Fuel Indicator Light” will illuminate when there is water detected in the fuel filter. If this light remains on, DO NOT start the vehicle before you drain the water from the fuel filter to prevent engine damage, and please see an authorized dealer...

    Jeep Wrangler 2018-2024 Owners Manual: Oil Pressure Warning Light

    This warning light will illuminate, and a chime will sound, to indicate low engine oil pressure. If the light and chime turn on while driving, safely stop the vehicle and turn off the engine as soon as possible. After the vehicle is safely stopped, restart the engine and monitor the Oil Pressure Warning Light...


    Manual Front Seat Forward/Rearward Adjustment

    The seat can be adjusted forward or rearward by using a bar located by the front of the seat cushion, near the floor. While sitting in the seat, lift up on the bar located under the seat cushion and move the seat forward or rearward. Release the bar once you have reached the desired position. Then, using body pressure, move forward and rearward on the seat to be sure that the seat adjusters have latched.

    Jeep Wrangler. Manual Front Seat Forward/Rearward Adjustment

    Adjustment Bar Location

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