One problem related to crankcase (pcv) has been reported for the 2000 Jeep Cherokee. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Jeep Cherokee based on all problems reported for the 2000 Cherokee.
1. Vehicle overheating and very low oil pressure 2. Found cracked cylinder head between cylinders 3 and 4 causing coolant to enter crankcase and contaminate oil. Thus ruining engine bearings. 3. Replacement of cylinder head with earlier model design and new bearings in engine.