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2003-2006 Radix Hummer H2 & SUT Supercharger Installation Instructions

November 1st, 2008 · No Comments

1. Start the supercharger installation by installing the upgraded fuel pump. Ensure that the fuel tank is less than 1/8” full (preferably empty) by checking the fuel level gauge. Even though the gauge may read empty, some residual fuel will be present in the tank. Exercise extreme caution and common sense when working around gasoline. Extinguish all open flame or other sources of ignition and be sure to perform the following steps in an area with adequate ventilation. Personal protection in the form of eye protection and fuel resistant gloves are strongly recommended.
2. On the right (passenger) side of the intake manifold, locate the fuel pressure test port. CAUTION! The fuel in the system is under pressure! Relieve the pressure in the fuel system by depressing the check valve with a screwdriver and collecting the fuel with a shop towel.
3. Relieve the pressure in the fuel tank by removing the fuel filler cap. for 2003 skip this section and continue to step 44. The following steps are for 2004 & 2005 vehicles,
4. Loosen the clamp and remove the fuel fill pipe from the tank. Disconnect the tank vent hose by squeezing the connector and pulling it apart
5. Locate the EVAP cannister at the front of the fuel tank.
6. Disconnect the vapor lines from the EVAP cannister by squeezing and pulling them off.
7. Remove plastic shield covering the fuel tank.
8. Remove the two bolts that secure the outside edge of the tank shield with a 13mm socket wrench.
9. Along the inside edge of the tank shield locate the attachment bracket. Remove the nut with a 10mm wrench.
10. Remove the bolt along the inside edge of the tank shield with a 13mm socket wrench.

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