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Connecting Rod Bearing: Service and Repair

TOOL REQUIRED
^ J 41507 Connecting Rod Assembly Guide
^ J 36660 Torque Angle Meter

REMOVAL
1. Remove the oil pan.
2. Position the connecting rod to be serviced to Bottom Dead Center (BDC) by rotating the crankshaft.





3. Remove the connecting rod cap bolts.
4. Remove the connecting rod cap and lower connecting rod bearing.

CAUTION: Keep the bearings with the original connecting rod and cap. Do this in order to reassemble the connecting rod.

5. Remove the lower connecting rod bearing.
6. Install Connecting Rod Assembly Guide to the connecting rod.
7. Use Connecting Rod Assembly Guide, in order to push up the connecting rod and piston and access the upper connecting rod bearing.
8. Remove the upper connecting rod bearing.
9. Wipe the oil from the bearings.
10. Inspect the connecting rod bearings.
11. Measure the bearing clearance.

CAUTION: Do not scrape, shim, or file bearing inserts. If the bearing surface of the insert is touched with bare fingers, the skin oil and acids will etch the bearing surface. Ensure that the bearing cap bolt holes and the cap mating surfaces are clean and dry.

INSTALLATION
1. Dip the bearing cap bolts in clean engine oil.
2. Use clean engine oil in order to lubricate the bearing surface.
3. Install the upper connecting rod bearing.
4. Use Connecting Rod Assembly Guide, in order to pull down the piston, connecting rod and upper connecting rod bearing.
5. Remove Connecting Rod Assembly Guide.
6. Install the lower connecting rod bearing to the bearing cap.
7. Install the bearing cap.
8. Install the connecting rod bolts. Tighten the bolts to 27 Nm (20 ft. lbs.). Use Torque Angle Meter in order to rotate the bolts an additional 50 degrees.
9. Pry the connecting rod back and forth in order to check for binding. If necessary, loosen and then retighten the bearing cap.





10. Measure the connecting rod side clearance.
11. Install the oil pan.