Piston And Connecting Rod - Removal

REMOVAL

Special Tools:











NOTE: To remove the pistons and connecting rods from the engine, the engine must be removed from the vehicle.

1. Remove the engine Engine - Removal.
2. Remove the cylinder head Cylinder Head - Removal.
3. Remove the oil pan and oil pump pick-up Oil Pump Pick-up - Removal.





4. If necessary, remove the top ridge of the cylinder bores with a reliable ridge reamer before removing the pistons from the engine block. Make sure to keep the tops of pistons covered during this operation. Pistons and connecting rods must be removed from the top of the engine block. When removing piston and connecting rod assemblies from the engine, rotate the crankshaft CW so that each connecting rod is centered in the cylinder bore.

CAUTION: DO NOT use a number stamp or a punch to mark connecting rods or caps, as damage to connecting rods could occur

NOTE: Connecting rods and bearing caps are not interchangeable and should be marked before removing to ensure correct reassembly.

5. Mark connecting rod and bearing cap positions (1) using a permanent ink marker or scribe tool.






CAUTION: Care must be taken not to damage the fractured rod and cap joint face surfaces, as engine damage may occur.

6. Remove the connecting rod cap bolts (4) and the connecting rod cap (3). Discard the cap bolts.
7. Install the (10281) (6) on the connecting rod.

CAUTION: Care must be taken not to nick crankshaft journals, as engine damage may occur.

8. Remove the piston and connecting rod (1) from cylinder bore.
9. Repeat the previous steps for each piston being removed.
10. Immediately after piston and connecting rod removal, reinstall the bearing cap (3) on the mating connecting rod to prevent damage to the fractured cap and rod surfaces.
11. If required, remove the piston rings Piston Ring(s) - Removal.
12. Repeat the previous steps for each piston being removed.