gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Fuel Feed and Fuel Return Pipe Purge|Page 1388 > < Fuel Feed and Fuel Return Pipe Purge
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Fuel Filter: Service and Repair
Fuel Filter Element

FUEL FILTER REPLACEMENT

REMOVAL PROCEDURE

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Remove the fuel tank filler cap.
3. Remove the protective shield.
4. Open the air bleed valve on top of the fuel manager/filter in order to release any of the pressure in the fuel supply system.

5. Remove water-in fuel senor connector at bottom of filter.
6. Drain the filter by attaching a flexible tube or hose 6.35-7.74 mm (1/4 to 5/16 in) ID to the water drain valve.

Fuel Feed and Fuel Return Pipe Purge|Page 1388 > < Fuel Feed and Fuel Return Pipe Purge