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Home >> GMC >> 2005 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L80-E/4L85-E - Overhaul >> Repair Instructions >> Torque Converter Assembly Installation

Torque Converter Assembly Installation

Tools Required 

J 21366  Converter Holding Strap

    Fig 1: Rotating Transmission
    GM335071Courtesy of GENERAL MOTORS CORP.
  1. Rotate the transmission so the converter housing is facing up.
  2. Fig 2: Installing Torque Converter Assembly
    GM335072Courtesy of GENERAL MOTORS CORP.
  3. Install the torque converter assembly (1). Rotate the torque converter assembly (1) in order to engage the turbine shaft, the stator shaft, and the lugs onto the oil pump drive gear.
  4. Install the J 21366  in order to hold the torque converter assembly (1) in place while moving the transmission assembly. Remove the J 21366  prior to installing the transmission into the vehicle.