Installation Procedure

Fig 1: View Of Fuel Meter Body Assembly Components

Courtesy of GENERAL MOTORS CORP.

Lubricate the NEW O-rings seals with clean engine oil.
Assemble the following NEW parts to the fuel pressure regulator:
- Backup ring (7)
- Regulator seal O-ring (8)
- Regulator filter (9)
- Regulator seal O-ring (10)
Install the fuel pressure regulator with the vacuum tube pointing down.
Install the fuel pressure regulator retainer clip (5).
Install the upper manifold. Refer to Intake Manifold Replacement - Upper in Engine Mechanical-4.3L.