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Rod - Piston & Connecting: Installation

WARNING: This page is about a different variant/trim than selected.
  1. Before installing piston and connecting rod assemblies into the bore, install the piston rings. Refer to RINGS - PISTON .
  2. Immerse the piston head and rings in clean engine oil. Position a ring compressor over the piston and rings. Tighten ring compressor. Ensure position of rings do not change during this operation. 
  3. Position bearing onto connecting rod. Lubricate bearing surface with clean engine oil.
  4. Install Connecting Rod Guides 8507 onto the connecting rod bolt threads.
    Fig 1: Piston Direction Arrow
    GC0040430Courtesy of CHRYSLER LLC
  5. The pistons are marked on the piston pin bore surface with an raised "F" or arrow on top of piston indicating installation position. This mark must be pointing toward the front of engine on both cylinder banks.
  6. Wipe cylinder bore clean and lubricate with engine oil.
  7. Rotate crankshaft until connecting rod journal is on the center of cylinder bore. Insert rod and piston into cylinder bore and carefully position connecting rod guides over crankshaft journal.
  8. Tap piston down in cylinder bore using a hammer handle. While at the same time, guide connecting rod into position on rod journal.
    Fig 2: Connecting Rod R+I
    GC0040429Courtesy of CHRYSLER LLC
    1 - WIDE SIDE
    2 - NARROW SIDE
    CAUTION: Always replace the Rod Bolts whenever they are loosened or removed.
  9. Lubricate rod bolts and bearing surfaces with engine oil. Install connecting rod cap and bearing. Tighten bolts to 45 N.m (33 ft. lbs.) plus a 60° turn.
  10. Install the following components:
    1. Cylinder head(s). Refer to INSTALLATION .
    2. Cylinder head covers. Refer to COVER - CYLINDER HEAD .
    3. Install the intake manifold.
    4. Oil pan and gasket/windage tray. Refer to PAN - OIL .
  11. Fill crankcase with proper engine oil to correct level.
  12. Connect negative cable to battery.
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