Piston and Connecting Rod Disassemble. Chevrolet Cruze (GME) 2010

For 1990-2009 cars

1. Remove the piston with connection rod. Refer to Piston, Connecting Rod, and Bearing Removal.

Note: Note installation position of the piston in respect of the connection rod.

2. Detach the piston from the connection rod.

• | Remove the retainer (1) from the piston eye.

• | Do not damage the bore.

• | Press the piston pin out of the piston.

3. Remove the piston rings using piston ring pliers (1).

Remove oil carbon from the groove with a split piston ring, filed to a wedge-shape.

4. Measure the piston ring gap.

• | Tension the piston ring in the cylinder and measure the gap with a feeler gage.

• | Permissible ring gap:

- | Rectangular compression ring (1): 0.20-0.40 mm (0.007-0.015 in)

- | Tapered compression ring (2): 0.40-0.60 mm (0.015-0.023 in)

- | Oil scraper ring (3): 0.25-0.75 mm (0.009-0.029 in)

5. Check piston ring vertical play with a feeler gage (1) in the piston ring groove.

Permissible vertical play:

• | Rectangular compression ring (1): 0.04-0.08 mm (0.001-0.003 in)

• | Tapered compression ring (2): 0.03-0.07 mm (0.001-0.002 in)

• | Oil scraper ring (3): 0.03-0.13 mm (0.001-0.005 in).