GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2003
🢒
GMC K Sierra - 4WD
🢒
Engine
🢒
Engine Controls - 6.6L
🢒 Water in Fuel Indicator Sensor Replacement
Removal Procedure
Drain the fuel from the fuel filter. Refer to
Water-in-Fuel Draining
.
Disconnect the water-in-fuel sensor electrical connector (1).
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.
Install the water-in-fuel sensor (3) to the fuel filter (2).
Connect the water-in-fuel sensor electrical connector (1).