GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 Engine 🢒 Engine Controls and Fuel - 6.6L (LBZ and LLY) 🢒 Water in Fuel Indicator Sensor Replacement

Removal Procedure

    Object Number: 752028 Size: SH
  1. Remove the fuel filter (2) from the fuel filter/heater element housing (1). Refer to Fuel Filter Replacement .
  2. Remove the water-in-fuel sensor from the fuel filter.

Installation Procedure

    Object Number: 752028 Size: SH

    Important: The water-in-fuel sensor must only be hand tightened.

  1. Install the water-in-fuel sensor in the fuel filter.
  2. Install the fuel filter (2) on the fuel filter/heater element housing (1). Refer to Fuel Filter Replacement .