K 1500 Yukon 4WD V8-5.3L VIN Z Flex Fuel (2003)
During normal operation, the O-rings located in the female connector will swell and may prevent proper reconnection if not lubricated.
2. Push both sides of the quick-connect fitting together in order to cause the retaining tabs to snap into place.
3. Once installed, pull on both sides of the quick-connect fittings in order to make sure the connection is secure.