GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Transmission 🢒 Automatic Transmission - Allison 🢒 Transmission Fluid Temperature Sensor Replacement

Removal Procedure

    Object Number: 793427 Size: SH
  1. Disconnect the transmission fluid temperature (TFT) sensor electrical connector (1).
  2. Remove the TFT sensor (2).

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 793427 Size: SH
  1. Install the TFT sensor (2).

    2. Tighten
    Tighten the sensor to 24 N·m (18 lb ft).

  2. Connect the TFT sensor electrical connector (1).