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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 198 (Manual Transmission - TREMEC 6-Speed (M3L Mg9)) >> Repair Instructions - Off Vehicle >> Main Shaft and Input Shaft Disassemble (M3L) >> 1st Gear Removal

1st Gear Removal

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: 1st Gear Components
GM2774633Courtesy of GENERAL MOTORS COMPANY
1st Gear Removal

Callout Component Name
1 Main Shaft Rear Bearing Assembly
2 1st Gear Assembly (Driven)

Procedure

  1. Remove the 1st gear and main shaft rear bearing, using the DT 36513  gear and bearing separator plate, and a hydraulic press

Special Tools 
DT 36513  Gear and Bearing Separator Plate
For equivalent regional tools, refer to Special Tools .
3 1st Gear Blocking Ring Assembly
4 1st Gear Bearing Assembly (Driven)
5 1st Gear Bushing