GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Montana Ext. 🢒 Engine 🢒 Engine Controls - 3.4L 🢒 Fluid Temperature Sensor Replacement

Removal Procedure
  1. Remove the case side cover. Refer to Control Valve Body Cover Replacement .

    2. Object Number: 48209 Size: SH
  2. Remove the wiring harness assembly from the fluid temperature sensor (391).
  3. Remove the fluid temperature sensor (391).

Installation Procedure
  1. Install the fluid temperature sensor (391).

    2. Object Number: 48209 Size: SH
  2. Install the wiring harness assembly to the fluid temperature sensor (391).
  3. Install the case side cover. Refer to Control Valve Body Cover Replacement .