GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 50636  Size: SH
  1. Relieve the system fuel pressure. Refer to Fuel Pressure Relief .
  2. Drain fuel tank. Refer to Fuel Tank Draining .
  3. Remove the fuel tank. Refer to Fuel Tank Replacement .
  4. Remove the electrical connector from the fuel tank vapor pressure sensor.
  5. Remove the fuel tank vapor pressure sensor (7) from the modular fuel sender.

Installation Procedure


    Object Number: 50636  Size: SH
  1. Install the new fuel tank vapor pressure sensor (7) to the modular fuel sender.
  2. Install the electrical connector to fuel tank vapor pressure sensor.
  3. Install the fuel tank. Refer to Fuel Tank Replacement .
  4. Refill the fuel tank.
  5. Install the negative battery cable.