Wrangler 4WD L4-150 2.5L VIN P MFI (1998)
Connecting Rod Bearing: Service and Repair
INSPECTION
Bearings
Inspect the connecting rod bearings for scoring and bent alignment tabs.
Check the bearings for normal wear patterns, scoring, grooving, fatigue and pitting. Replace any bearing that shows abnormal wear.
Inspect the connecting rod journals for signs of scoring, nicks and burrs.
Connecting rods
Misaligned or bent connecting rods can cause abnormal wear on pistons, piston rings, cylinder walls, connecting rod bearings and crankshaft
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.
BEARING-TO-JOURNAL CLEARANCE
1. Wipe the oil from the connecting rod journal.
2. Use short rubber hose sections over rod bolts during installation.
3. Lubricate the upper bearing insert and install in connecting rod.
4. Use piston ring compressor to install the rod and piston assemblies. The oil squirt holes in the rods must face the camshaft. The arrow on the
piston crown should point to the front of the engine. Verify that the oil squirt holes in the rods face the camshaft and that the arrows on the pistons
