GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Sierra Denali 🢒 Transmission/Transaxle 🢒 Automatic Transmission - Allison 🢒 Torque Converter Inspection

    Object Number: 1660829 Size: SH

    Important: Replace the torque converter if it does not meet specifications.

  1. Measure the OD of torque converter hub (1) at dimension A, the bushing wear area.

    2. Torque Converter Hub OD
    Dimension A must equal or exceed 58.250 mm (2.293 in).


    Object Number: 1660830 Size: SH
  2. Measure the distance between the flats of the torque converter hub at dimension A.

    3. Torque Converter Hub Flats
    Dimension A must equal or exceed 51.816 mm (2.040 in).


    Object Number: 1660832 Size: SH
  3. Measure the OD of the torque converter cover pilot at dimension A.

    4. Torque Converter Pilot
    Dimension A must equal or exceed 43.080 mm (1.696 in).