Connecting Rod: Service and Repair
REMOVAL PROCEDURE1. Remove the cylinder head from the cylinder block.
2. Remove the engine oil pan and the oil pump strainer.
3. Mark the cylinder number on each of the following:
^ The pistons
^ The connecting rods
^ The connecting rod bearing caps
4. Remove the eight nuts and the connecting rod bearing caps (1).
5. Slide the hose piece over the connecting rod studs to prevent damage to the cylinder when the piston and the connecting rod are removed.
6. Clean the carbon from the top of the cylinder bore.
7. Remove the piston (3) and the connecting rod (2) from the cylinder bore by pushing out through the top of the cylinder bore.
INSTALLATION PROCEDURE
^ TOOLS REQUIRED
- J 8037 Piston Ring Compressor
1. Apply a light coat of clean engine oil to the following:
^ The pistons
^ The rings
^ The cylinder walls
^ The connecting rod bearings
^ The crank pins
2. Install the guide hoses (2) over the connecting rod bolts to prevent damage to the bearing journal and the connecting rod bolt threads when installing the connecting rods.
IMPORTANT: Ensure to point the arrow mark on the cap toward the crankshaft pulley side.
3. Use a J 8037 in order to ensure the arrow mark on top of the piston points to the crankshaft pulley end. Install the piston and the connecting rod into the cylinder bore.
4. Use a hammer handle in order to tap the piston head and install the piston into the cylinder bore. Keep the J 8037 pressed securely against the top of the cylinder block (1) until all of the piston rings have entered the cylinder bore.
5. Remove the hose pieces from the connecting rod bolts.
NOTICE: Refer to Fastener Notice in Service Precautions.
6. Install the connecting rod bearing cap to the connecting rod. Secure the connecting rod bearing cap with two nuts.
^ Tighten the connecting rod bearing cap nuts to 35 Nm (26 ft. lbs.).
7. Install the engine oil pan and oil pump strainer.
8. Install the cylinder head to the cylinder block.