GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 786973  Size: SH
  1. Drain the fuel from the fuel filter. Refer to Water-in-Fuel Draining .
  2. Disconnect the water-in-fuel sensor electrical connector (1).

  3. Object Number: 752028  Size: SH
  4. Remove the water-in-fuel sensor (3) from the fuel filter (2).

Installation Procedure

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


    Object Number: 752028  Size: SH
  1. Install the water-in-fuel sensor (3) to the fuel filter (2).

  2. Object Number: 786973  Size: SH
  3. Connect the water-in-fuel sensor electrical connector (1).