GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Controls - 6.6L (LLY) 🢒 Fuel Temperature Sensor Replacement

Removal Procedure
  1. Remove the air cleaner . Refer to Air Cleaner Replacement .

    2. Important: After removing the charged air cooler duct, cover the turbocharger openings with tape in order to prevent entry of objects.

  2. Remove the charged air cooler inlet pipe from the turbocharger. Refer to Charged Air Cooler Hoses/Pipes Replacement for the 6.6L (LLY) engine.

    3. Object Number: 1335528 Size: SH
  3. Disconnect the fuel temperature sensor electrical connector.
  4. Remove the fuel temperature sensor.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.

  1. Install the fuel temperature sensor.

    2. Tighten
    Tighten the sensor to 22 N·m (16 lb ft).


    Object Number: 1335528 Size: SH
  2. Connect the fuel temperature sensor electrical connector.
  3. Remove the tape from the turbocharger openings.
  4. Install the charged air cooler inlet pipe to the turbocharger. Refer to Charged Air Cooler Hoses/Pipes Replacement for the 6.6L (LLY) engine.
  5. Install the air cleaner . Refer to Air Cleaner Replacement .
  6. Prime the fuel system. Refer to Fuel System Priming .
  7. Start the engine. If the engine stalls, repeat the above step.
  8. Once the engine starts, inspect for fuel leaks.