Fuel Fill Valve Filter Replacement for Chevrolet Chevy C Pickup - 2WD (CNG) 1999

1. Remove the O-ring (1).
2. Remove the circlip (2).
3. Remove the fill valve filter (3).
4. Clean the filter in solvent.
5. Blow dry the filter using compressed air.
6. Be sure that the filter passages are clear. Replace the filter if needed.

1. Install the fill valve filter (3).
2. Install the circlip (2).
3. Install the O-ring (1).