2014 Jeep Wrangler JK Factory Service Manual 09 - Engine, 2.8L Diesel

BEARING(S), Connecting Rod

REMOVAL

  1. Remove the balance shaft module (Refer to 09 - Engine/Engine Block/MODULE, Balance Shaft - Removal) .

    2.  
  2. Remove the connecting rod bearing caps (1) one at a time and discard bolts (5).

    3.  
  3. Carefully remove the upper half and lower half of bearing (4) from the connecting rod (2).

    4.  

INSTALLATION

  1. Each connecting rod has its own letter class (1) to a specific connecting rod journal diameter.

    2.  
  2. To determine the correct bearing size for each cylinder. Each connecting rod letter class must be matched with the crankshaft letter class (2) with the bearing selection chart to determine the correct bearing color for each cylinder. The letters stamped into the crankshaft (2) are in the same order as the cylinders. The first letter corresponds to the first cylinder, the second to the second, etc. See bearing selection chart, (Refer to 09 - Engine/Engine Block - Standard Procedure) .

    CAUTION:

    Connecting rod bolts must be replaced when disassembled. When assembling the connecting rod (2), be sure that the connecting rod pawl (1) on each of the connecting rod caps is facing the rear (fly wheel) side of the engine.



    NOTE:

    Do Not lubricate the new connecting rod bolts. They are already coated with a anti scuff treatment.


    3.  
  3. Assemble connecting rod bearings (4) and bearing caps to their respective connecting rods (2) ensuring that the serrations on the cap and reference marks are aligned.

    4.  
  4. Using new connecting rod bolts, tighten the connecting rod cap bolts to 10 N·m (88 in. lbs.).

    5.  
  5. Without loosening connecting rod bolts, tighten all bolts to 30 N·m (22 ft. lbs.).

    6.  
  6. Using a torque angle gauge, tighten each bolt an additional 40 degrees.

    7.  
  7. Using a torque wrench, recheck all rod bolt tightening to 88 N·m (65 ft. lbs).

    8.  
  8. Install the balance shaft module (Refer to 09 - Engine/Engine Block/MODULE, Balance Shaft - Installation) .

    9.