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Home >> Chevrolet >> 2021 >> Tahoe Z71 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 5.3L (L84) Or 6.2L (L87) - Repair Instructions (8 Of 11) >> Repair Instructions >> Automatic Transmission Flex Plate Replacement (2WD) >> Installation Procedure

Installation Procedure

  1. GM5591311Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The automatic transmission flex plate does not use a locating pin for alignment and will not initially seat against the crankshaft flange, but will be pulled onto the crankshaft by the automatic transmission flex plate bolts. This procedure requires a 2 stage tightening process.

    Automatic Transmission Flex Plate (1) - Install

  2. GM5591310Courtesy of GENERAL MOTORS COMPANY

    Due to the unknown shelf life of the adhesive patch, prepare the 8 NEW automatic transmission flex plate bolts (1) as follows:

    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  3. CAUTION:

    This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

  4. Automatic Transmission Flex Plate Bolt (1) - Install NEW and hand tighten [8x]
  5. CAUTION:

    Refer to Fastener Caution .

  6. Automatic Transmission Flex Plate Bolt (1) - Tighten in sequence [8x] - Fastener Specifications
  7. GM5591309Courtesy of GENERAL MOTORS COMPANY

    Remove M10-1.5 x 120mm (3) and M10-1.5 x 45mm (2) bolts.

  8. EN-42386  Flywheel Holding Tool (1) - Remove
  9. Transmission - Install - Automatic Transmission Removal and Installation (L84, L87 with 2WD with F47) , or Automatic Transmission Removal and Installation (L84, L87 with 2WD without F47)