Grand Cherokee 2WD Limited V8-4.7L (2002)
connecting rod journals. If wear patterns or damage to any of these components indicate the probability of a misaligned connecting rod, inspect it for
correct rod alignment. Replace misaligned, bent or twisted connecting rods.
1. Wipe the oil from the connecting rod journal.
2. Lubricate the upper bearing insert and install in connecting rod.
3. Use piston ring compressor and Guide Pins Special Tool 8507 (Fig. 50) to install the rod and piston assemblies. The oil slinger slots in the rods
must face front of the engine. The "F's" near the piston wrist pin bore should point to the front of the engine.
4. Install the lower bearing insert in the bearing cap. The lower insert must be dry. Place strip of Plastigage across full width of the lower insert at the
center of bearing cap. Plastigage must not crumble in use. If brittle, obtain fresh stock.
5. Install bearing cap and connecting rod on the journal and tighten bolts to 27 Nm (20 ft. lbs.) plus a 90° turn. DO NOT rotate crankshaft.
Plastigage will smear, resulting in inaccurate indication.
6. Remove the bearing cap and determine amount of bearing-to journal clearance by measuring the width of compressed Plastigage (Fig. 51). Refer
