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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Automatic Transmission - 6T50 (M2D) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> 3-5-Reverse And 4-5-6 Clutch Housing Assemble >> 4 - 5 - 6 Clutch Piston Installation

4 - 5 - 6 Clutch Piston Installation

WARNING: This page is about a different variant/trim than selected.
Fig 1: Exploded View Of 4-5-6 Clutch Piston Components
GM2552959Courtesy of GENERAL MOTORS COMPANY
4 - 5 - 6 Clutch Piston Installation

Callout Component Name
1 4 - 5 - 6 Clutch Piston Inner Seal
2 4 - 5 - 6 Clutch Piston Outer Seal (Large) (Rounded)
3 4 - 5 - 6 Clutch Piston Outer Seal (Dark Blue) (Stepped)
4 4 - 5 - 6 Clutch Piston

Procedure

  1. DT-47805  Seal Protector prevents the piston seal lip from damage during installation. Apply a thin coat of ATF to the I.D. of DT-47805  Seal Protector to ease the installation of the piston.
  2. DT-47951-2  Spring Compressor - 6T40/45/50 or DT-48903  Spring Compressor - 6T30 can be used as a pusher if necessary.

Special Tools

  • DT-47805  Seal Protector
  • DT-47951-2  Spring Compressor - 6T40/45/50
  • DT-48903  Spring Compressor - 6T30

Equivalent regional tools: Special Tools