Silverado Classic 2500 4WD V8-6.6L DSL Turbo (2007)
Fuel Line Coupler: Service and Repair
Plastic Collar Quick Connect Fitting Service
PLASTIC COLLAR QUICK CONNECT FITTING SERVICE
REMOVAL PROCEDURE
IMPORTANT: There are several types of plastic fuel and evaporative emission (EVAP) quick connect fittings used on this vehicle. The
following instructions apply to all types of plastic quick connect fittings except where indicated.
1. Disconnect the negative battery cable.
2. Remove fuel fill cap.
CAUTION: Refer to Safety Glasses and Compressed Air Caution.
3. Using compressed air, blow any dirt from around the quick connect fitting.
4. Squeeze the plastic quick connect fitting release tabs together to disengage the quick connect fitting. (This step applies to Bartholomew style
fittings ONLY).
5. Squeeze where indicated by the arrows on both sides of the plastic ring to disengage the quick connect fitting.
