Hummer Workshop Service and Repair Manuals > H3 V8-5.3L (2008) > Powertrain Management | Fuel Delivery and Air Induction | Fuel Line Coupler | Component Information | Service and Repair | Metal Collar Quick Connect Fitting Service

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2. Turn the ignition OFF, for 10 seconds.
3. Turn the ignition ON, with the engine OFF for 2 seconds.
4. Turn the ignition OFF.
5. Inspect for leaks.

Hummer Workshop Service and Repair Manuals