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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 Assemble (M3L) >> Extension Housing Install

Extension Housing Install

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: Extension Housing Bead Sealant Application Area
    GM2910480Courtesy of GENERAL MOTORS COMPANY
  1. Apply a 1.7 mm (0.07 in) bead of RTV sealant (1) to the extension housing. Adhesives, Fluids, Lubricants, and Sealers (MG9) Adhesives, Fluids, Lubricants, and Sealers (M3L) 
    2. Fig 2: Extension Housing Assembly, Bolts & Propeller Shaft O-ring
    GM2776819Courtesy of GENERAL MOTORS COMPANY
  2. Install the O-ring (1) onto the propeller shaft.
  3. Install the extension housing assembly (2) and the extension housing bolts (3). Tighten the bolts to 33 N.m (24 lb ft).
    4. Fig 3: Manual Shift Detent, Spring & Bolt
    GM2776810Courtesy of GENERAL MOTORS COMPANY
  4. Install the manual shift detent bolt (1), detent spring (2) and the detent (3).
  5. Apply thread sealant to the detent bolt (1). Adhesives, Fluids, Lubricants, and Sealers (MG9) Adhesives, Fluids, Lubricants, and Sealers (M3L) 

    Tighten the bolt to 28 N.m (21 lb ft).

    6. Fig 4: Shift Interlock Detent Assembly
    GM2776807Courtesy of GENERAL MOTORS COMPANY
  6. Install the shift interlock detent assembly (1).
  7. Apply thread sealant to the detent (1). Adhesives, Fluids, Lubricants, and Sealers (MG9) Adhesives, Fluids, Lubricants, and Sealers (M3L) 

    Tighten to 41 N.m (30 lb ft)

    8. Fig 5: Manual Transmission Control Lever Components
    GM2776799Courtesy of GENERAL MOTORS COMPANY
  8. Install the manual transmission control lever seal (5).
  9. Install the manual transmission shift lever shaft joint (3) and manual transmission control lever pin (4).
  10. Install the manual transmission control lever retainer (2) and manual transmission control shaft boot (1).
    11. Fig 6: Propeller Shaft Transmission Yoke
    GM2828362Courtesy of GENERAL MOTORS COMPANY
  11. Using DT-39441  installer , install the propeller shaft transmission yoke (1).
    12. Fig 7: Propeller Shaft Transmission Yoke, Washer & Nut
    GM2776813Courtesy of GENERAL MOTORS COMPANY
  12. Install the propeller shaft transmission yoke flange washer (2).
  13. Install the J-45012  holder with the mounting bolts to the propshaft transmission yoke (3).
  14. Apply threadlocker to the nut (1). Adhesives, Fluids, Lubricants, and Sealers (MG9) Adhesives, Fluids, Lubricants, and Sealers (M3L) 
  15. Using a socket wrench, Install the propeller shaft transmission yoke nut (1) and tighten to 140 N.m (103 lb ft).
  16. Remove the J-45012  holder.
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