Ascender 2WD L6-4.2L (2003)
Fuel Pressure Release: Service and Repair
Fuel Pressure Gauge Installation
Fuel Pressure Gauge Installation and Removal
Tools Required
J 34730-1A Fuel Pressure Gauge
Installation Procedure
Caution:
Gasoline or gasoline vapors are highly flammable. A fire could occur if an ignition source is present. Never drain or store gasoline or diesel
fuel in an open container, due to the possibility of fire or explosion. Have a dry chemical (Class B) fire extinguisher nearby.
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the fuel tank shield fasteners and remove the fuel tank shield, if applicable.
Caution:
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.
NOTE: 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
3. Install the J 34730-1A fuel pressure gauge to the fuel pressure service connection, located near the fuel filter.
4. Turn ON the ignition.
Caution:
Do not drain the fuel into an open container. Never store the fuel in an open container due to the possibility of a fire or an explosion.
5. Place the bleed hose of the fuel pressure gauge into an approved gasoline container.
6. Open the bleed valve on the fuel pressure gauge in order to bleed the air from the fuel pressure gauge.
7. Command the fuel pump ON with a scan tool.
8. Close the bleed valve on the fuel pressure gauge.