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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Automatic Transaxle - 4T80-E - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - On Vehicle >> Detent Lever and Roller Assembly Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Install the detent lever (17) and the actuator rod (21).
  2. You must hold the detent lever (17) in place when installing the manual shaft nut (18) in order to prevent damage to the actuator rod (21).
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the 15 mm manual shaft nut (18).

    Tighten:  Tighten the manual shaft to detent lever nut to 27-34 N.m (20-25 lb ft).

  4. Install the 13 mm detent roller bolt pivot arm, the sleeve, and the washer (26).

    Tighten:  Tighten the detent lever and roller assembly bolt to 8-14 N.m (6-10 lb ft).

    5. Fig 1: Identifying Detent Spring, Lever, Manual Shaft Nut, & Actuator Rod
    GM687598Courtesy of GENERAL MOTORS CORP.
  5. Using a pair of pliers, grasp the detent roller end of the detent spring (27). Install the detent spring (27).
  6. Install the lower controls and valve assembly. Refer to Lower Controls Assembly Installation  in the Transmission Unit Repair Manual.
  7. Install the scavenge screens. Refer to Scavenge Screens and Seals Replacement .
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