GM Service Manual Online
For 1990-2009 cars only

Fuel Pump Oil Pressure Switch 4.3L, 5.0L, 5.7L

Removal Procedure

Tools Required

J 35748 Oil Pressure Sending Unit Socket


    Object Number: 12914  Size: SH
  1. Disconnect the electrical connector.

  2. Object Number: 12915  Size: SH
  3. Use wrench J 35748 in order to remove the fuel pump and the oil pressure indicator switch.

Installation Procedure


    Object Number: 12915  Size: SH
  1. Install the fuel pump and the oil pressure indicator switch.

  2. Object Number: 12914  Size: SH
  3. Connect the electrical connector.

Fuel Pump Oil Pressure Switch 7.4L

Removal Procedure


    Object Number: 19625  Size: SH
  1. Remove the electrical connector.
  2. Remove the fuel pump oil pressure switch, using wrench J 35748 if required.

Installation Procedure


    Object Number: 19625  Size: SH
  1. Install the fuel pump oil pressure switch.
  2. Install the electrical connector.