Piston and Connecting Rod Disassemble

WARNING: This page is about a different variant/trim than selected.

Courtesy of GENERAL MOTORS COMPANY

Piston Compression Upper Ring (1) - Remove
Piston Compression Lower Ring (2) - Remove
Piston Oil Ring Rail (3) - Remove
Piston Oil Ring Rail Spacer (4) - Remove
Piston Oil Ring Rail (3) - Remove
Courtesy of GENERAL MOTORS COMPANY

NOTE:
The mark (4) and the arrow on the top of the piston must point against the same direction.

Piston Pin Retainer (1, 3) - Remove [2x]
Piston Pin (2) - Remove
Connecting Rod (5) @ Piston - Remove
Courtesy of GENERAL MOTORS COMPANY

NOTE:
Some models may have pistons with an integral ring carrier design. It is important that all pistons match. When replacing pistons, ensure the correct matching pistons are used.

Inspect the pistons. Ensure all pistons are either non-ring carrier design (1) or ring carrier design (2). Piston, Connecting Rod, and Bearing Cleaning and Inspection