GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1865172  Size: SH
  1. Disconnect the water-in-fuel sensor electrical connector (1) from the engine wiring harness electrical connector.

  2. Object Number: 1865174  Size: SH
  3. Remove the water-in-fuel sensor (1) from the fuel filter.

Installation Procedure


    Object Number: 1865174  Size: SH

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

  1. Install the water-in-fuel sensor (1) to the fuel filter.

  2. Object Number: 1865172  Size: SH
  3. Connect the water-in-fuel sensor electrical connector (1) to the engine wiring harness electrical connector.
  4. Prime the fuel system. Refer to Fuel System Priming