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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 >> Reluctor Wheel and Piston Installation

Reluctor Wheel and Piston Installation

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Fig 1: Exploded View Of Reluctor Wheel & Piston
GM1891348Courtesy of GENERAL MOTORS COMPANY
Reluctor Wheel and Piston Installation

Callout Component Name
1 3-5 Reverse Clutch Piston Dam Seal (Black)
2 3-5 Reverse Clutch Piston Inner Seal
3 3-5 Reverse Clutch Piston Inner (Reluctor) Seal (Orange)
4 3-5 Reverse Clutch Piston Return Spring Assembly
5 3-5 Reverse Clutch Piston
6 Input Shaft Speed Sensor Reluctor Wheel
7 Input Shaft Speed Sensor Reluctor Ring Retainer Ring
CAUTION:

Compress the reluctor wheel just enough to clear the retainer. Over compressing the reluctor wheel will break the alignment tab and the clutch housing.

CAUTION:

Regulate the air pressure to 276kPa (40psi) maximum. High pressure could cause the piston to over travel and damage the piston seals.


Procedure 
Place the housing assembly onto the input shaft support inside the case. Apply shop air to the clutch fluid feed hole in the case to verify proper piston operation.
Special Tools 
DT-47694  Piston Spring Compressor
For equivalent regional tools, refer to Special Tools .