Avalanche 2500 4WD V8-8.1L VIN G (2003)
Fuel Line Coupler: Service and Repair
Quick Connect Fitting(S) Service (Plastic Collar)
REMOVAL PROCEDURE
1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
2. Using compressed air, blow any dirt or debris from around the fitting.
CAUTION: Wear safety glasses when using compressed air in order to prevent eye injury.
3. Squeeze the plastic quick connect fitting release tabs together.
4. Pull the quick connect fitting connection apart.
INSTALLATION PROCEDURE
1. Apply a few drops of clean engine oil to the male connection end.