One problem related to oil pump has been reported for the 2001 Jeep Grand Cherokee. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Jeep Grand Cherokee based on all problems reported for the 2001 Grand Cherokee.
I own a 2001 Jeep Grand Cherokee with a 4. 0l 6 cylinder motor. The engine has been showing zero oil pressure, after replacing 2 oil pressure switches, and an oil pump. The vehicle constantly overheats. Now, it was suggested by the dealer the cylinder head my be cracked. After reading about my vehicle on-line, there are more than numerous similar incidents with other Jeep owners.