2nd Clutch Piston Travel Measurement: 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: Locating Fluid Pump Assembly Bolt Hole

Courtesy of GENERAL MOTORS CORP.

Install J-45166: extension into the fluid pump assembly bolt hole (1) indicated with the arrow.

Fig 2: Measuring Second Clutch Piston Stroke

Courtesy of GENERAL MOTORS CORP.

Assemble J-45200: indicator (1) onto J-45166: extension (2) and set the dial indicator to zero on the second clutch piston.

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

Apply compressed air into the second clutch fluid passage (B2) and measure the piston stroke. Be sure the piston moves smoothly.
If the piston stroke is out of specifications, select another second clutch backing plate. Second clutch piston bore stroke: 1.10 - 1.50 mm (0.043 - 0.059 in).