GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Drain the fuel from the fuel filter. Refer to Water-in-Fuel Draining .
  2. Disconnect the water-in-fuel sensor harness connector.

  3. Object Number: 752028  Size: SH
  4. Remove the fuel filter (2) from the fuel filter/heater element housing (1).
  5. Remove the water-in-fuel sensor (3) from the fuel filter (2). Refer to Water in Fuel Indicator Sensor Replacement .

Installation Procedure


    Object Number: 752028  Size: SH
  1. Install the water-in-fuel sensor (3) to the NEW fuel filter (2) and tighten 1/2 turn after the seal contacts the filter.
  2. Install the NEW fuel filter to the fuel filter adapter and tighten 1/4 turn after the seal contacts the filter adapter.
  3. Important: Inspect the fuel filter/heater element housing and the fuel filter for a dislocated filter seal or contamination. Contamination on the fuel filter/heater element housing may cause leakage at the fuel filter. Coat the seal with clean engine oil.

  4. Install the fuel filter (2) on the fuel filter/heater element housing (1).
  5. Connect the water-in-fuel harness connector.
  6. Prime the fuel system. Refer to Fuel Feed Pipe and Return Pipe Purging .
  7. Connect the negative battery cables. Refer to Battery Negative Cable Disconnection and Connection .
  8. Start the engine and inspect for fuel leaks.