Installation Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Tools Required
J 34730-1A Fuel Pressure Gage
CAUTION:
Refer to Gasoline/Gasoline Vapors Caution in Cautions and Notices.
CAUTION:
Refer to Fuel Gage Leak Caution in Cautions and Notices.
- Remove the engine sight shield. Refer to Engine Sight Shield Replacement (4.8L, 5.3L, and 6.0L Engines) or Engine Sight Shield Replacement (6.0L Engine w/RPOs Y91 and Z88) in Engine Mechanical-4.8L, 5.3L, and 6.0L.
- Remove the fuel rail pressure fitting cap.
- Connect the J 34730-1A to the fuel pressure valve. Wrap a shop towel around the fitting while connecting the gage in order to avoid spillage.
- Install the bleed hose on J 34730-1A into an approved container.