Piston, Connecting Rod, and Bearing Removal

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 24270 Ridge Reamer

Rotate the crankshaft to place the piston at the bottom of the piston stroke.
Place a cloth on top of the piston.
Use the J 24270 to remove the ridge at the top of the cylinder bore.

Fig 1: Removing Cylinder Bore Ring Ridge

Courtesy of GENERAL MOTORS CORP.

Remove cloth.
Remove cutting debris from the cylinder and piston.
Remove the connecting rod cap bolts. Set the bolts aside for use in plastic gauging if needed. New bolts will be used for final assembly.
Remove the connecting rod cap.
Remove the bearing insert from connecting rod.

Fig 2: View Of Bearing Insert And Connecting Rod Cap

Courtesy of GENERAL MOTORS CORP.

Push piston assembly out of cylinder.

Fig 3: View Of Piston Assembly

Courtesy of GENERAL MOTORS CORP.

Reassemble the connecting rod bearing, cap, and bolts upon removal.