gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

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Fuel/Water Separator: Removal and Replacement

Water in Fuel Indicator Sensor Replacement

Removal Procedure

1. Drain the fuel from the fuel filter. Refer to Water-in-Fuel Draining.
2. Disconnect the electrical connectors.

3. Disconnect the diesel fuel conditioning module lower assembly.

Installation Procedure

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

1. Connect the diesel fuel conditioning module lower assembly.

Procedures|Page 8699 > < Procedures