Piston And Connecting Rod - Installation
INSTALLATION
Special Tools:
1. If required, select and fit new piston and connecting rod assemblies to the engine block Procedures.
2. If required, hone the cylinder bores Cylinder Bore Honing.
3. If removed, install the piston rings Piston Ring(s) - Installation.
4. Position the piston ring end gaps as follows:
- Oil control ring expander gap (5)
- Oil control ring end gap (2)
- No. 2 (intermediate) ring end gap (4)
- No. 1 (upper) ring end gap (1)
NOTE: Make sure the position of the ring end gaps does not change when installing the ring compressor.
5. Lubricate the piston rings with clean engine oil. Position the (C-385) (2) over the piston and rings. Tighten the compressor (2).
NOTE: Install the rod bearings in pairs. Do not mix sizes or use a new bearing half with an old bearing half.
6. Install the bearing shell (7) on the connecting rod with the tang inserted into the machined groove in the rod. Lubricate the bearing surface with clean engine oil.
7. Install the (10281) (6) on the connecting rod.
8. The pistons crowns are stamped with an arrowhead (1) indicating installation position. The arrowhead must point toward the front of engine.
9. Wipe the cylinder bore clean and lubricate with clean engine oil.
10. Rotate the crankshaft until the connecting rod journal is on the center of cylinder bore. Insert the piston and connecting rod into the cylinder bore and carefully position the guide pins over the crankshaft journal.
11. Tap the piston down in the cylinder bore using a hammer handle while guiding the connecting rod into position over the rod journal.
CAUTION: The connecting rod bolts must not be reused. Always replace the connecting rod bolts whenever they are loosened or removed.
12. Install the bearing shell (5) on the connecting rod cap (3) with the tang inserted into the machined groove in the cap. Lubricate the bearing surface with clean engine oil.
NOTE: Do not lubricate the threads of the connecting rod cap bolts (4).
13. Install the connecting rod cap and bearing with the tang on the same side as the rod. Tighten the NEW connecting rod cap bolts (4) to 20 Nm (15 ft. lbs.) plus 40 degrees.
14. If required, check the connecting rod side clearance Measuring Connecting Rod Side Clearance.
15. Repeat the previous steps for each piston being installed.
16. Install the oil pump pick-up and oil pan Oil Pump Pick-up - Installation.
17. Install the cylinder head, timing belt and sprockets Cylinder Head - Installation.
18. Install the engine Engine - Installation.
19. If removed, install the oil filter and fill the engine crankcase with the proper oil to the correct level Service and Repair.
20. Connect the negative battery cable and tighten nut to 5 Nm (45 in. lbs.).
21. Fill the cooling system Service and Repair.
22. Run the engine until it reaches normal operating temperature. Check cooling system for correct fluid level Service and Repair.