GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 370970  Size: SH
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  2. Drain fuel tank. Refer to Fuel Tank Draining .
  3. Raise the vehicle. Go to Lifting and Jacking the Vehicle in General Information.
  4. Remove the fuel tank. Refer to Fuel Tank Replacement .
  5. Remove the electrical connector from the fuel tank pressure sensor.
  6. Remove the fuel tank pressure sensor (10) from the modular fuel sender.

Installation Procedure


    Object Number: 370970  Size: SH
  1. Install the new fuel tank pressure sensor (10) to the modular fuel sender.
  2. Connect the electrical connector to the fuel tank pressure sensor.
  3. Reinstall the fuel tank. Refer to Fuel Tank Replacement .
  4. Refill the fuel tank.
  5. Reconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  6. Inspect for fuel leaks.
  7. 6.1. Turn ON the ignition for 2 seconds.
    6.2. Turn OFF the ignition for 10 seconds.
    6.3. Turn ON the ignition .
    6.4. Check for fuel leaks.