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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 4.3L (LV1)) >> Repair Instructions >> Automatic Transmission Flex Plate Replacement >> Installation Procedure

Installation Procedure

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  1. GM4861721Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The 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 engine flex plate bolts. This procedure requires a 3 stage tighten ing process.

    Automatic Transmission Flex Plate (2) - Install

  2. Fig 1: Automatic Transmission Flex Plate And Bolts With Tightening Sequence
    GM4861734Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    CAUTION:

    Refer to Torque-to-Yield Fastener Caution..

    Install the NEW engine flex plate bolts.

    1. tighten the engine flex plate bolts (1 - 8) a first pass in sequence to 15 N.m (11 lb ft).
    2. tighten the engine flex plate bolts (1 - 8) a second pass in sequence to 30 N.m (22 lb ft).
    3. tighten the engine flex plate bolts (1 - 8) a final pass in sequence an additional 30 degrees using EN-45059  angle meter.
  3. EN-42386-A  flywheel holding tool - Remove
  4. Transmission - Install - Transmission Replacement
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