3rd Gear Band Servo Piston Pin Measurement

WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Measuring Distance Between Third Gear Band Servo Piston Pin Release & Apply Marks

Courtesy of GENERAL MOTORS CORP.

Mark the servo piston pin in the released position (1).

WARNING: Wear safety glasses when using compressed air in order to prevent eye injury.

Apply compressed air to the servo apply passage (3), and mark the apply position on the piston pin (2).
Measure the distance between the release and apply marks (a). Refer to 3rd Gear Band Servo Piston Pin Selection to select the correct servo piston pin.