GM Service Manual Online
For 1990-2009 cars only

Object Number: 2018798  Size: MF

Callout

Component Name

Warning: 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.

Caution: Use care while handling the fuel sender to prevent damage and incorrect fuel level readings.

Preliminary Procedures

  1. Disconnect the negative battery terminal. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the fuel tank. Refer to Fuel Tank Replacement.
  3. Release the electrical connector.

1

Fuel Pump Feed and Return Pipes

Procedure

Release the fuel pump feed and return pipes and move to one side.

2

Fuel Pump Retaining Ring

Procedure

  1. Release the fuel pump retaining ring.
  2. Lift out the retaining ring to access the fuel pump.

3

Fuel Level Sensor

Tip
The illustrations in this section show the fuel sender on the primary fuel pump only. The fuel sender on the secondary fuel pump is similar.