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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Removal & Installation >> Fuel Systems >> Fuel Line Disconnect Fittings >> Removal & Installation (Plastic Collar)

Removal & Installation (Plastic Collar)

WARNING: Use safety glasses when using compressed air to prevent eye injury. Always apply a few drops of clean engine oil to the male pipe ends before connecting the fuel pipe fittings in order to reduce the risk of fire and personal injury. This will ensure proper reconnection and prevent a possible fuel leak. During normal operation, the "O" rings located in the female connector will swell and may prevent proper reconnection if not lubricated.
  1. Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE  . Blow any dirt out of the disconnect fitting using compressed air. Squeeze the 2 plastic retainer release tabs and pull the connection apart. See Figure .
  2. To install, ensure fuel line and disconnect fitting are clean. Lubricate fuel line and disconnect fitting with clean engine oil. Push both sides of disconnect fitting together to cause plastic retainer release tabs to snap into place. After connecting fitting, ensure connection is secure by pulling on both sides of disconnect fitting.
  3. Connect negative battery cable. Tighten battery cable bolt to specification. See TORQUE SPECIFICATIONS  . Turn ignition switch to ON position for 2 seconds. Turn ignition switch to OFF position for 10 seconds. Turn ignition switch to ON position. Check for fuel leaks. Repair as necessary.