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Engine Controls - 6.6L (Lly) (Introduction): Maintenance Chevrolet Silverado 3500

Testing & Diagnostics 1 illustration ~330 words

Fuel Filter Life Reset

This message will appear when a reset is performed either by using the steering wheel controls or following manual procedure.

  1. Reset the fuel filter monitor.
  2. For vehicles with steering wheel controls, press and hold the select button for 5 seconds while the FUEL FILTER LIFE message is displayed. This message will appear on the driver information center (DIC) for ten seconds.
  3. For vehicles without steering wheel controls, do the following: Without pressing the pedals, turn the ignition key to the ON position without starting the engine. Wait 5 seconds. Completely press the brake and the accelerator pedals simultaneously and hold for 10 seconds. The system is now reset. Turn the ignition key OFF.
  4. The next time the engine is started, the message will no longer be displayed. ALWAYS reset the FUEL FILTER LIFE system after a fuel filter change.

Water-in-Fuel Draining Procedure

  1. Attach a small piece of hose to the drain cock onto the water-in-fuel sensor.
  2. Place an approved fuel-resistant container under the fuel filter.
  3. Open the drain cock 3 or 4 turns or until the water contaminated fuel seeps from the drain cock.
  4. Operate the priming pump until only diesel fuel is visible. Allow the pump to return upward between pushes.
  5. Tighten the drain cock.
  6. Remove the container and hose.

Fuel Tank Draining

IMPORTANTPurge any residual fuel in J 45004 into an approved container prior to use.

Scheme 358

Scheme 358
Scheme 358
  1. Disconnect the negative battery cable. Refer to «Battery Negative Cable Disconnect/Connect Procedure (Single Battery)»(ref-184144-S12006988322005082200000) or «Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery)»(ref-184144-S01033869922005082200000) in Engine Electrical.
  2. Remove the fuel fill cap.
  3. Raise and suitably support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-184175-S17163319502005082200000) in General Information.
  4. Loosen the fuel fill pipe clamp (2).
  5. Remove the fuel fill pipe from the fuel tank.
  6. Insert the J 45004 hose into the tank.
  7. Attach the J 45004 hose to the hose used with the hand or air operated pump devise.
  8. Using a hand or air operated pump drain as much fuel from the tank as possible.

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