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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Automatic Transmission - 6T40 - 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: 4-5-6 Clutch Piston
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
NOTE:
  • 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.
  • DT-47951-2  spring compressor can be used as a pusher if necessary.

Special Tools

  • DT-47805  Seal Protector
  • DT-47951-2  Spring Compressor

For equivalent regional tools, refer to Special Tools .