Removal Procedure

Fig 1: Digital Fuel Pressure Gauge And Components

Courtesy of GENERAL MOTORS COMPANY

WARNING:

Wrap a shop towel around the fuel pressure connection in order to reduce the risk of fire and personal injury. The towel will absorb any fuel leakage that occurs during the connection of the fuel pressure gauge. Place the towel in an approved container when the connection of the fuel pressure gauge is complete.

Relieve the fuel system pressure, if required. Perform the following steps:
1. Wrap a shop towel around the fuel rail service port.
2. Place the hose on the CH 48027 adapter (2) into an approved gasoline container.
3. Open the valve on the CH 48027 adapter (2) in order to bleed any fuel from the fuel rail.
4. Close the valve on the CH 48027 adapter (2).
5. Remove the hose on the CH 48027 adapter (2) from the approved gasoline container.
6. Remove the shop towel from around the fuel rail service port, and place in an approved gasoline container.

CAUTION:

Clean all of the following areas before performing any disconnections in order to avoid possible contamination in the system:

The fuel pipe connections
The hose connections
The areas surrounding the connections

Disconnect the CH 48027 gauge (1) from the CH 48027 gauge (2).
Disconnect the CH 48027 adapter (2) from the CH 48027 adapter (3).
Disconnect the CH 48027 adapter (3) from the fuel rail service port.
Install the fuel rail service port cap.
Install the intake manifold cover. Refer to Intake Manifold Cover Replacement (LFX)Intake Manifold Cover Replacement (LF3) .
Tighten the fuel fill cap.