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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 244 (6.1L Engine (Service Information)) >> Engine Block >> Rod-Piston & Connecting >> Removal >> Piston And Connecting Rod

Piston And Connecting Rod

WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect negative cable from battery.
  2. Remove the following components:
    1. Oil pan and gasket/windage tray. See REMOVAL .
    2. Cylinder head covers. See REMOVAL .
    3. Timing chain cover. See REMOVAL .
    4. Cylinder head(s). See REMOVAL .
  3. 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
    Fig 1: Marking Connecting Rods To Identify Cylinder
    GC0040427Courtesy of CHRYSLER LLC
    NOTE: Connecting rods and bearing caps are not interchangeable and should be marked before removing to ensure correct reassembly.
  4. Mark connecting rod and bearing cap positions using a permanent ink marker or scribe tool. See Fig 1.
    CAUTION: Care must be taken not to damage the fractured rod and cap joint face surfaces, as engine damage may occur.
    Fig 2: Connecting Rod R+I
    GC0040428Courtesy of CHRYSLER LLC
    1 - WIDE SIDE
    2 - NARROW SIDE
  5. Remove connecting rod cap. Install Connecting Rod Guides 8507 onto 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
    CAUTION: When removing and installing the piston and connecting rod assembly, Do not damage the piston cooling jets. If the jets are bent, engine damage may occur.
  6. 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.
  7. Carefully remove piston rings from piston(s), starting from the top ring down.
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