Hummer 19245530 Regulator Kit,Fuel Pressure

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To replace the fuel pressure regulator, start by relieving the fuel system pressure and disconnecting the cable from the negative battery terminal. Then, remove the engine cover and, on certain engine models, the upper intake manifold. Next, remove the pressure regulator retaining clip and detach the fuel pressure regulator from the fuel meter body or fuel rail. If replacing the regulator, bring the old regulator and retaining clip to the store to ensure you get the correct replacement. Replace all of the pressure regulator O-rings, including the smaller one that may still be in the fuel meter body or fuel rail. Disconnect the vacuum line from the regulator and remove the retaining clip and regulator. Make sure all spacers and O-rings are removed from the fuel rail. Lubricate the new O-rings with oil and then proceed with the reverse of the removal process for installation. Note that on 2004 and later models, the fuel pressure regulator is not serviceable as it is an integral part of the fuel pump module.

To remove the V6 fuel pressure regulator, start by relieving the fuel system pressure and disconnecting the cable from the negative battery terminal. Then, remove the air intake resonator and clean any dirt and debris from around the fuel pressure regulator. Disconnect the fuel pressure regulator vacuum line and unclip the engine wiring harness. For installation, start by installing a new O-ring and lubricating it with clean engine oil. The remainder of the installation is the reverse of the removal.