K 2500 Yukon XL 4WD V8-8.1L VIN G (2001)
Fuel Line Coupler: Service and Repair
Quick Connect Fitting(S) Service (Plastic Collar)
REMOVAL PROCEDURE
1. Relieve the fuel system pressure before servicing any fuel system connection. Refer to Fuel Pressure Relief Procedure.
CAUTION: Refer to Safety Glasses and Compressed Air Caution in Service Precautions.
2. Using compressed air, blow any dirt out of the quick-connect fitting.
3. Squeeze the plastic retainer release tabs.