Removal Procedure

Fig 1: View Of Underhood Components

Courtesy of GENERAL MOTORS CORP.

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.

Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
Remove the beauty cover. Refer to Engine Cover Replacement .
Remove the battery. Refer to Battery Replacement .

Fig 2: View Of Fuel Filter Assembly, Fuel Lines, Sensor Connectors And Bracket Bolts

Courtesy of GENERAL MOTORS CORP.

Disconnect the fuel inlet/outlet line from the fuel filter.
Disconnect the fuel heater and temperature sensor connector (1).
Disconnect the water in fuel sensor connector (2).
Remove the fuel filter assembly from the bracket by lifting upward.

Fig 3: Identifying Fuel Filter Special Tools

Courtesy of GENERAL MOTORS CORP.

Install EN-48303 and EN-48304 (2) to the fuel filter assembly. See Special Tools .
Turn EN-48304 (1) counterclockwise. See Special Tools .

Fig 4: Identifying Fuel Filter Components

Courtesy of GENERAL MOTORS CORP.

Remove the fuel filter locker (5).
Remove the fuel filter cap (4) with the O-ring (1).

IMPORTANT: Do not reuse the fuel filter element if the element is exposed to the air over a minute.

IMPORTANT: The fuel filter cap contains the fuel heater and temperature sensor. Also, the fuel filter housing contains the water in fuel sensor.

Remove the fuel filter in the fuel filter housing (2).