Rod, Piston And Connecting: Removal: Removal
WARNING: This page is about a different car, the 2012 Jeep Patriot and 2012 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Pistons, rings, and rods are serviced as an assembly.
CAUTION:
To maintain engine balance, 1, 3, or 4 pistons can be replaced. If 2 pistons are replaced, engine will be out of balance.
- Remove engine. Refer to REMOVAL .
- Remove cylinder head. Refer to CYLINDER HEAD, REMOVAL .
- Drain engine oil (2).
- Remove oil pan (1). Refer to PAN, OIL, REMOVAL .
- Remove oil filter (1).
- Remove balance shaft assembly.
- Remove ladder frame.NOTE:
Remove any carbon build up and clean debris from cylinder prior to piston removal to avoid scratching piston skirts.
- 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
- Rotate crankshaft so that each connecting rod is centered in cylinder bore.
- Using a permanent ink or paint marker, identify cylinder number on each connecting rod cap.CAUTION:
DO NOT use a number stamp or a punch to mark connecting rods, as damage to connecting rod may occur.
CAUTION:Care must be taken not to damage the fractured rod and cap joint surfaces, as engine damage may occur.
- Remove connecting rod bolts and cap.CAUTION:
Do not reuse connecting rod bolts. These are one-time-use bolts and reuse could result in engine failure.
- Carefully push each piston and rod assembly out of cylinder bore. Re-install bearing cap on the mating rod.
- Repeat procedure for each piston and connecting rod assembly.