Impala V6-3.8L SC VIN 1 (2005)
Fuel Pressure Release: Service and Repair
Fuel Pressure Relief Procedure
FUEL PRESSURE RELIEF PROCEDURE
TOOLS REQUIRED
J 34730-1A Fuel Pressure Gage
RELIEF PROCEDURE
1. Disconnect the negative battery cable.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
2. Remove the fuel injector sight shield.
3. Loosen the fuel filler cap to relieve tank vapor pressure.
4. Connect the J 34730-1A to the fuel pressure connection. Wrap a shop towel around the fuel pressure connection while connecting the fuel pressure
gage in order to avoid spillage.
5. Install the bleed hose into an approved container and open the valve to bleed the system pressure. The fuel connections are now safe for servicing.
6. Drain any fuel remaining in the fuel pressure gage into an approved container.
