GM Service Manual Online
For 1990-2009 cars only

Fuel Tank Pressure Sensor Replacement 1500 Series

Removal Procedure


    Object Number: 1312078  Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Using a slight rocking motion while pulling straight up, remove the fuel tank pressure sensor (1).

Installation Procedure


    Object Number: 1312078  Size: SH
  1. Install the fuel tank pressure sensor (1).
  2. Install the fuel tank. Refer to Fuel Tank Replacement .

Fuel Tank Pressure Sensor Replacement 1500 SWB - 98.4L (26 gal) Tank + E85

Removal Procedure


    Object Number: 1704933  Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Disconnect the evaporative emission (EVAP) line quick connect fitting from the vent valve and reposition the line out of the way. Refer to Plastic Collar Quick Connect Fitting Service .
  3. Using a slight rocking motion while pulling straight up, remove the fuel tank pressure sensor (1).

Installation Procedure


    Object Number: 1704933  Size: SH
  1. Install the fuel tank pressure sensor (1).
  2. Position the EVAP line and connect the EVAP line quick connect fitting to the vent valve. Refer to Plastic Collar Quick Connect Fitting Service .
  3. Install the fuel tank. Refer to Fuel Tank Replacement .

Fuel Tank Pressure Sensor Replacement 1500 LWB - 117.3L (31 gal) Tank + E85

Removal Procedure


    Object Number: 1705114  Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Using a slight rocking motion while pulling straight up, remove the fuel tank pressure sensor (1).

Installation Procedure


    Object Number: 1705114  Size: SH
  1. Install the fuel tank pressure sensor (1).
  2. Install the fuel tank. Refer to Fuel Tank Replacement .

Fuel Tank Pressure Sensor Replacement 2500 Series

Removal Procedure

Important: Clean all fuel and evaporative emission (EVAP) line connections and surrounding areas prior to disconnecting the lines in order to avoid possible fuel and/or EVAP system contamination.


    Object Number: 1705812  Size: SH
  1. Remove the intermediate fuel and evaporative emission (EVAP) lines. Refer to Fuel Hose/Pipes Assembly Replacement .
  2. Gently pry straight up, in order to remove the fuel pressure sensor.

Installation Procedure


    Object Number: 1705812  Size: SH
  1. Lubricate the seal on the fuel pressure sensor.
  2. Press the fuel pressure sensor into the line.
  3. Install the intermediate fuel and EVAP lines. Refer to Fuel Hose/Pipes Assembly Replacement .