GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Cadillac
🢒
2006
🢒
CTS
🢒
Engine
🢒
Engine Controls - 2.8L
🢒 Fuel Pressure Relief
Tools Required
J 34730-1A
Fuel Pressure Gage
Turn the ignition OFF.
Disconnect the negative battery cable in order to avoid possible fuel discharge if an accidental attempt is made to start the engine. Refer to
Battery Negative Cable Disconnection and Connection
in Engine Electrical.
Remove the fuel injector sight shield. Refer to
Fuel Injector Sight Shield Replacement
in Engine Mechanical - 2.8L.
Remove the air inlet grille panel. Refer to
Air Inlet Grille Panel Replacement
in Body Front End.
Connect the
J 34730-1A
to the fuel pressure valve. Wrap a shop towel around the fitting while connecting the gage in order to avoid spillage.
Install the bleed hose into an approved container.
Open the valve in order to bleed the system pressure. Fuel connections are now safe for servicing.
Drain any fuel remaining in the gage into an approved container.
Install the air inlet grille panel. Refer to
Air Inlet Grille Panel Replacement
in Body Front End.
Install the fuel injector sight shield. Refer to
Fuel Injector Sight Shield Replacement
in Engine Mechanical - 2.8L.
Connect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
in Engine Electrical.