Yukon Denali 2WD V8-6.0L Hybrid (2010)
6. This step applies to the Sliding Retainer style connector ONLY. Release the fitting by pressing on one side of the release tab causing it to push in
slightly. If the tab does not move try pressing the tab in from the opposite side. The tab will only move in one direction.
7. This step applies to the Push Down TI style connector ONLY. Release the fitting by pressing on the tab indicated by the arrow.
Quick Connect Fittings
Warning: Refer to Relieving Fuel Pressure Warning (See: Fuel Pressure/Service Precautions).
8. Pull the connection apart.