Rod, Piston And Connecting: Removal: Removal
WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect negative cable from battery.
- Remove the following components:
- Oil pan and gasket/windage tray. Refer to PAN, OIL, REMOVAL, 4.7L .
- Cylinder head covers. Refer to COVER(S), CYLINDER HEAD, REMOVAL, 4.7L .
- Timing chain cover. Refer to COVER(S), ENGINE TIMING, REMOVAL, 4.7L .
- Cylinder head(s). Refer to CYLINDER HEAD, REMOVAL, 4.7L .
- If necessary, remove top ridge of cylinder bores with a reliable ridge reamer before removing pistons from cylinder block. Be sure to keep tops of pistons covered during this operation.
Pistons and connecting rods must be removed from top of cylinder block. When removing piston and connecting rod assemblies from the engine, rotate crankshaft so the each connecting rod is centered in 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.
- Mark connecting rod and bearing cap positions 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.
- Remove connecting rod cap. Install Special Tool (special tool #8507, Guides, Connecting Rod) Connecting Rod Guides into the connecting rod being removed. Remove piston from cylinder bore. Repeat this procedure for each piston being removed.CAUTION:
Care must be taken not to nick crankshaft journals, as engine damage may occur.
- Immediately after piston and connecting rod removal, install bearing cap on the mating connecting rod to prevent damage to the fractured cap and rod surfaces.
- Carefully remove piston rings from piston(s), starting from the top ring down.