CTS Sedan RWD V6-3.0L (2010)
Piston: Specifications
Piston
Piston Diameter - Measured Over Skirt Coating ....................................................................................................... 88.476-89.014 mm (3.4833-3.5045 in)
Piston Diameter - Service Limit Minimum, w/more than 10k miles .................................................................................................. 88.926 mm (3.5010 in)
Piston Pin Bore Diameter ......................................................................................................................................... 24.007-24.012 mm (0.9452-0.9454 in)
Piston Ring Groove Width - First Compression Ring ................................................................................................... 1.220-1.240 mm (0.0480-0.0488 in)
Piston Ring Groove Width - Second Compression Ring .............................................................................................. 1.510-1.530 mm (0.0595-0.0602 in)
Piston Ring Groove Width - Oil Control Ring .............................................................................................................. 2.510-2.530 mm (0.0988-0.0996 in)
Piston to Bore Clearance - Production; Measured at Skirt Coating .............................................................................. 0.022-0.032 mm (0.0008-0.0013 in)
Piston to Bore Clearance - Service Limit Maximum, w/more than 10k miles ..................................................................................... 0.650 mm (0.0256 in)
Pin
Piston Pin Clearance to Connecting Rod Bore - Production ......................................................................................... 0.007-0.024 mm (0.0003-0.0010 in)
Piston Pin Clearance to Connecting Rod Bore - Service Maximum .................................................................................................... 0.030 mm (0.0012 in)
Piston Pin Clearance to Piston Pin Bore - Production .................................................................................................. 0.007-0.015 mm (0.0003-0.0006 in)
Piston Pin Clearance to Piston Pin Bore - Service Maximum ............................................................................................................. 0.015 mm (0.0006 in)
Piston Pin Diameter .................................................................................................................................................. 23.997-24.000 mm (0.9448-0.9449 in)
Piston Pin Length .......................................................................................................................................................... 60.60-61.10 mm (2.3858-2.4055 in)