Fuel System Pressure Release: 5.3L
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the negative battery cable.
- Install the Fitting Tool Set (J 34730-1A).
- Loosen the fuel fill cap in order to relieve the fuel tank vapor pressure.
- Open the valve on Fitting Tool Set in order to bleed the system pressure. The fuel connections are now safe for servicing.
- Drain any fuel remaining in the gauge into an approved container.
- Once the system pressure is completely relieved, remove the Fitting Tool Set.