Connecting Rod Bearing Replacement

Removal Procedure

^ Tools Required
- J5239 Connecting Rod Bolt Guide Set





1. Remove the oil pan. Refer to Oil Pan Replacement.
2. Remove the oil pump. Refer to Oil Pump Replacement.
3. Remove the crankshaft oil deflector. Refer to Crankshaft Oil Deflector Replacement.
4. Turn the crankshaft until the piston and rod assembly to be serviced is at Bottom Dead Center (BDC).

Important: Place matchmarks or numbers on the connecting rod and connecting rod caps. The connecting rod caps must be assembled to their original connecting rod.

5. Remove the connecting rod nuts.
6. Remove the connecting rod cap.
7. Remove the lower connecting rod bearing.

Notice: Install thread protector in order to avoid damage to the crankshaft journal.





8. Install the J5239.
9. Push the piston and connecting rod up the cylinder in order to gain access to the upper connecting rod bearing.
10. Remove the upper connecting rod bearing.
11. Wipe oil from the connecting rod bearings and crankshaft connecting rod journal.
12. Inspect the connecting rod bearings. Refer to Piston, Connecting Rod, and Bearings Clean and Inspect.
13. Inspect the connecting rod cap and connecting rod. Refer to Piston, Connecting Rod, and Bearings Clean and Inspect.
14. Inspect the crankshaft connecting rod journal. Refer to Crankshaft and Bearings Clean and Inspect.

Installation Procedure

^ Tools Required
- J5239 Connecting Rod Bolt Guide Set
- J36660-A Electronic Torque Angle Meter





1. Install upper connecting rod bearing into connecting rod.
2. Coat the inside surfaces of the upper connecting rod bearing with new engine oil.
3. Using the J5239 pull the piston and rod assembly down to the crankshaft.
4. Remove the J5239.
5. Install the lower connecting rod bearing into the connecting rod cap.
6. Coat the inside surfaces of the lower connecting rod bearing with new engine oil.
7. Install the connecting rod cap with lower connecting rod bearing.

Notice: Refer to Fastener Notice in Service Precautions.

8. Install the connecting rod nuts.
Tighten the connecting rod nuts to 20 Nm (15 ft. lbs.). Evenly turn the nuts an additional 75 degrees using the J36660-A.





9. Measure the connecting rod clearance using the following procedure:
9.1. Install all connecting rod bearings.
9.2. Lightly tap each connecting rod parallel to the crankpin in order to make sure the connecting rods have clearance.
9.3. Measure the side clearance between the connecting rod caps using a feeler gage, or dial indicator. Refer to Crankpin (Rod Side Clearance) in Specifications for the connecting rod side clearance.
10. Install the crankshaft oil deflector. Refer to Crankshaft Oil Deflector Replacement.
11. Install the oil pump. Refer to Oil Pump Replacement.
12. Install the oil pan. Refer to Oil Pan Replacement.