Grand Cherokee 4WD L6-242 4.0L VIN S MFI (1993)
Crankshaft Main Bearing: Service and Repair
Removal and Installation
Removal
1. Disconnect negative cable from battery.
2. Remove the spark plugs.
3. Raise the vehicle.
4. Remove the oil pan and oil pump.
5. Remove main bearing cap brace.
6. Remove only one main bearing cap and lower insert at a time.
7. Remove the lower insert from the bearing cap.