LaCrosse V6-3.8L (2009)
Fuel Pressure Release: Service and Repair
Fuel Pressure Relief (With CH 48027)
Fuel Pressure Relief (With CH 48027)
Special Tools
CH-48027 Digital Pressure Gage
Warning: Refer to Gasoline/Gasoline Vapors Warning (See: Fuel/Service Precautions).
Warning: Refer to Relieving Fuel Pressure Warning (See: Fuel Pressure/Service Precautions).
1. If the fuel system requires repair, prevent fuel spillage by removing the fuel pump fuse. Refer to Electrical Center Identification Views (See:
Maintenance/Fuses and Circuit Breakers/Fuse/Application and ID).
2. Remove the engine cover, if required.
3. Loosen the fuel fill cap in order to relieve the fuel tank vapor pressure.
4. Remove the fuel rail service port cap.
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 gage. Place the towel in an approved container when the connection of the fuel pressure gage is
complete.
5. Wrap a shop towel around the fuel rail service port.
6. Connect the CH-48027-3 (4) to the fuel rail service port.
7. Connect the CH-48027-2 (2) to the CH-48027-3 (4).
8. Place the hose on the CH-48027-2 (2) into an approved gasoline container.
9. Open the valve on the CH-48027-2 (2) in order to bleed any fuel from the fuel rail.
10. Close the valve on the CH-48027-2 (2).
11. Remove the hose on the CH-48027-2 (2) from the 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
