Captiva

Fuel Pressure Gauge Installation and Removal

Special Tools

CH 48027 Digital Pressure Gauge

For equivalent regional tools, refer to Special Tools : Diagnostic Tools Diesel

Warning: Refer to Petrol/Petrol Vapours Warning in the Preface section.

Warning: Remove the fuel tank cap and relieve the fuel system pressure before servicing the fuel system in order to reduce the risk of personal injury. After you relieve the fuel system pressure, a small amount of fuel may be released when servicing the fuel lines, the fuel injection pump, or the connections. In order to reduce the risk of personal injury, cover the fuel system components with a shop towel before disconnection. This will catch any fuel that may leak out. Place the towel in an approved container when the disconnection is complete.

1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
2. Connect the CH 48027 gauge (1) to the CH 48027 adapter (2).
3. Remove the shop towel from around the fuel rail service port, and place in an approved petrol container.
4. Perform any tests and/or diagnostics as needed. For the proper usage of the CH 48027 gauge (1), refer to the manufacture's directions.

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.

1. Relieve the fuel system pressure, if required. Perform the following steps:

1.1.	Wrap a shop towel around the fuel rail service port.

1.2.	Place the hose on theCH 48027 adapter (2) into an approved petrol container.

1.3.	Open the valve on the CH 48027 adapter (2) in order to bleed any fuel from the fuel rail.

1.4.	Close the valve on the CH 48027 adapter (2).

1.5.	Remove the hose on theCH 48027 adapter (2) from the approved petrol container.

1.6.	Remove the shop towel from around the fuel rail service port, and place in an approved petrol 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

2. Disconnect the CH 48027 gauge (1) from the CH 48027 gauge (2).
3. Disconnect the CH 48027 adapter (2) from the CH 48027 adapter (3).
4. Disconnect the CH 48027 adapter (3) from the fuel rail service port.
5. Install the fuel rail service port cap.
6. Install the engine cover, if required.
7. Tighten the fuel fill cap.