Cruze

Piston, Connecting Rod, and Bearing Installation

Special Tools

For equivalent regional tools, Refer to Special Tools : 1.6L LXT .

Note: Lubricate the connection rod bearing with NEW engine oil.

1. Install the big end bearing (1, 2).



2. Set piston ring joints.

•	Piston compression upper ring in position (1).

•	Piston compression lower ring in position (4).

•	Interim ring of the piston oil ring rail in position (5), steel band rings of the piston oil ring rail in position (2) and/or (3).




3. Lubricate the piston rings, piston (1), inner cylinder bore surface and EN-48249 compressor (2) with clean engine oil.




Note: Arrow on piston head points to engine timing side, bead on connecting rod points to transmission side of engine.

4. Push the pistons 2 and 3 (1) into the cylinder bore (2).
5. Rotate the engine 180°.



6. Install the big end bearing caps (1) and the big end bearing (3).
7. Install 4 NEW big end bearing caps bolts (2) of cylinder 2 and 3 and tighten in 3 passes:

Caution: Refer to Fastener Caution in the Preface section.

Caution: Refer to Torque-to-Yield Fastener Caution in the Preface section.

7.1.	First pass tighten to 25 N·m (18 lb ft)

7.2.	Second pass tighten to 30° using the EN-45059 meter .

8. Turn crankshaft on crankshaft balancer through 180° in direction of rotation of engine.
9. Rotate the engine 180°.



10. Push the pistons 1 and 4 (1)into the cylinder bore (2).
11. Rotate the engine 180°.



12. Install the big end bearing caps (1) and the big end bearing (3).
13. Install the 4 big end bearing caps bolts (2) of cylinder 1 and 4 and tighten in 3 passes:

13.1.

First pass tighten to 25 N·m (18 lb ft)

13.2.

Second pass tighten to 30° using the EN-45059 meter .