Envoy 2WD V6-4.3L VIN W (1998)
Important:
When installing fuel tubes, it is important that the tubes are oriented properly to provide minimal interference when installing the upper intake
manifold plenum. Intake holes for cylinders 2, 4, 5, and 7 are closer to the fuel meter body. It is necessary to cross tube 5 over tube 7 and tube 4 over
tube 2 as shown in Figure 4.
Notice:
Lack of lubrication will make installation of the Upper Intake Manifold plenum difficult and may cause damage to the 0-ring.
8.
Lubricate the Fuel Meter Body Upper Manifold 0-ring (blue in color) with clean engine oil.
9.
Inspect Upper Intake Manifold Gasket and replace if necessary. Reinstall the Upper Intake Manifold plenum following the procedures in the
Service Manual.
Important:
Lubricate the Fuel Inlet and Return Lines with clean engine oil before inserting them in the of the Fuel Meter Body.
Make sure that Fuel Line Retaining Bracket is properly oriented with the tabs down.
