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Home › Jeep › 2017 › Wrangler Rubicon, Automatic Trans › Repair and Diagnosis › Engine Performance › Fuel Delivery › Fuel System › Fuel Delivery, Diesel › Standard Procedure › Draining Fuel Tank › Conventional Procedure

Conventional Procedure

NOTE:

Due to a one-way check valve installed into the fuel fill fitting at the tank, the tank cannot be drained at the fuel fill cap.

  1. Disconnect the fuel feed line (2) quick-connect fitting. Refer to QUICK-CONNECT FITTINGS  .
  2. Install the appropriate Fuel Line Adapters / Fitting from the (special tool #8978A, Decay Tool, Fuel). Route the opposite end of this hose to an diesel fuel draining station.
    NOTE:

    Activation of the fuel pump module may time out and need to be restarted several times to completely drain the fuel tank.

  3. Using a diagnostic scan tool, activate the fuel pump until the fuel tank is empty.
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