Rod, Piston And Connecting: Installation: Piston
WARNING: This page is about a different car, the 2017 RAM ProMaster 3500, 2017 RAM ProMaster 2500, and 2017 RAM ProMaster 1500. However, it is still accessible from the selected car via links, so may be relevant.
- Before installing pistons, and connecting rod assemblies into the bore, be sure that compression ring gaps are staggered so that neither is in line with oil ring rail gap.
- Before installing the ring compressor, make sure the oil ring expander ends are butted together.
- Immerse the piston head and rings in clean engine oil, slide the piston ring compressor, over the piston and tighten. Ensure position of rings does not change during this operation .
- A flywheel symbol indicating the installation direction inside the cylinder is stamped on the piston crown. The piston must be fitted with the symbol turned towards the flywheel end.
- Rotate crankshaft so that the connecting rod journal is on the center of the cylinder bore. Insert rod and piston into cylinder bore and guide rod over the crankshaft journal.CAUTION:
Care must be taken not to nick crankshaft journal when installing pistons.
- Position the ring compressor onto the piston and compress the rings.
- Guide the piston down (1) in cylinder bore, using a hammer handle. At the same time, guide connecting rod into position on connecting rod journal.
- Install the connecting rod bearings (7).
- Install connecting rod caps (1). Using new bolts (2), tighten to 50 N.m (37 ft. lbs.) plus an additional 70 degrees turn.
- Install the oil jets. Refer to INSTALLATION .
- Install cylinder head. Refer to INSTALLATION .
- Connect the negative battery cable.