Connecting Rod: Service and Repair

REMOVAL PROCEDURE

^ Tools Required
- J36660 Torque Angle Meter
- J8037 Piston Ring Compressor
- J41507 Connecting Rod Guide

1. Disconnect the negative battery cable.

CAUTION: Refer to Battery Disconnect Caution in Service Precautions.

2. Remove the cylinder head. Cylinder Head Replacement





3. Remove the oil level sensor.
4. Remove the oil pan. Refer to Oil Pan Replacement.
5. Remove the oil pump pipe and screen. Refer to Oil Pump Pipe and Screen Assembly Replacement

IMPORTANT: In order to avoid damage to the piston ring lands, be sure to remove any carbon or ridge at the top of the cylinder bore.

6. Mark the connecting rod cap and rod for proper reassembly.
7. Remove the connecting rod bolts.
8. Remove the connecting rod cap.





9. Remove the piston and connecting rod assembly.

INSTALLATION PROCEDURE

^ Tools Required
- J36660 Torque Angle Meter
- J8037 Piston Ring Compressor
- J41507 Connecting Rod Guide

1. Install the piston rings to the piston. In order to provide an effective compression seal, the ring gaps must be staggered.
2. Turn the crankshaft to bottom dead center.
3. Lubricate the cylinder with oil.
4. Install the connecting rod bearing.





5. Install the piston and the connecting rod assembly with the ridges toward the front of the engine. Use the J8037.
6. Raise the vehicle.

NOTICE: Guide the lower connecting rod end carefully to avoid damaging the crankshaft journal.

7. Use the J41507 in order to guide the connecting rod through the cylinder.
8. Install the connecting rod cap.

NOTICE: This bolt is designed to permanently stretch when tightened. The correct part number fastener must be used to replace this type of fastener. Do not use a bolt that is stronger in this application. If the correct bolt is not used, the parts will not be tightened correctly. The system or the components may be damaged.
9. Install the connecting rod cap bolts.
^ Tighten the bolts to 27 Nm (20 ft. lbs.). Use the J36660 in order to rotate the bolts an additional 50 degrees.

NOTICE: Refer to Fastener Notice in Service Precautions.

10. Install the oil pump pipe and screen assembly. Refer to Oil Pump Pipe and Screen Assembly Replacement
11. Install the oil pan, Refer to Oil Pan Replacement.
12. Install the oil level sensor.
13. Install the cylinder head. Refer to Cylinder Head Replacement.
14. Connect the negative battery cable.