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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 85 (Manual Transmission - TREMEC 6-Speed (Mg9 M3L)) >> Repair Instructions - Off Vehicle >> Transmission Disassemble (MG9) >> Reverse Shift Fork Removal

Reverse Shift Fork Removal

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Reverse Retainer Rings
    GM2102206Courtesy of GENERAL MOTORS COMPANY
  1. Remove the reverse synchronizer retainer ring (1).
  2. Remove and discard the reverse shift fork retainer ring (2).
    3. Fig 2: View Of Alignment Marks On Synchronizer Hub & Synchronizer Sleeve
    GM4810Courtesy of GENERAL MOTORS COMPANY
  3. Scribe a mark on the synchronizer hub and on the sleeve. This will help you to reinstall the parts in the same position.
    4. Fig 3: Identifying Reverse Synchronizer Components
    GM2102207Courtesy of GENERAL MOTORS COMPANY
  4. Remove the reverse shift fork and synchronizer (1) and inserts.
  5. Pry to remove the reverse synchronizer hub.
  6. Remove the locking ring (2).
  7. Remove the two piece thrust washer (3).
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