Cruze

Piston, Connecting Rod, and Bearing Cleaning and Inspection

Special Tools

EN-45059 Torque Angle Sensor Kit

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

1. Remove the sump. Refer to Sump Removal .



2. Remove the connecting big end bearing cap.




2.1.	Mark the installation position (1) of the connecting big end bearing cap.

2.2.	Remove the 2 bolts.

2.3.	Degrease the connecting big end bearing cap and wet the connecting big end bearing clip with engine oil.

Note: Do not rotate the crankshaft.

3. Lay on plastigauge. Refer to Adhesives, Fluids, Lubricants, and Sealers for the recommended plastigage.

Lay plastigauge (flexible plastic thread) over the entire width of the connecting big end bearing journal.

4. Install the connecting big end bearing cap.

Caution: Refer to Fastener Caution in the Preface section.

5. Tighten the 2 bolts in three passes using the EN-45059 sensor kit:

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

5.2.	Second pass tighten to an additional 30°.

5.3.	Third pass tighten to an additional 15°.




6. Remove the connecting big end bearing cap.




Note: When reading the value, do not confuse millimetres and inches on the measuring scale.

7. Measure the connecting big end bearing play.

•	Compare the width of the flattened plastic thread with the measuring scale.

•	Permissible connecting big end bearing play: 0.019-0.071 mm (0.0007-0.0028 in).

Note: Check markings on parts.

8. Install the connecting big end bearing cap.

•	Wet the connecting big end bearing journal and con-big end bearing clips with engine oil.

•	Renew the bolts.

9. Tighten the 2 bolts in three passes using the EN-45059 sensor kit:

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

9.2.	Second pass tighten to an additional 30°.

9.3.	Third pass tighten to an additional 15°.

10. Install the oil pan. Refer to Sump Installation .