A 1998 Jeep Grand Cherokee typically uses 10W-30 or 10W-40 motor oil, depending on the engine type and climate conditions. It's important to check the owner's manual for specific recommendations, as the engine options may vary. Synthetic oil can also be used for improved performance and protection. Always ensure to use oil that meets the API (American Petroleum Institute) standards.
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The 2002 Jeep Grand-Cherokee has overhead valves (OHV).
The 2004 Jeep Grand-Cherokee has overhead valves (OHV).
The 2001 Jeep Grand-Cherokee has overhead valves (OHV).
The 2003 Jeep Grand-Cherokee has overhead valves (OHV).
The 2013 Jeep Grand-Cherokee has double overhead cam (DOHC).
The 2009 Jeep Grand-Cherokee has single overhead cam (SOHC).
The 2005 Jeep Grand-Cherokee has single overhead cam (SOHC).
The 2014 Jeep Grand-Cherokee has double overhead cam (DOHC).
The 2007 Jeep Grand-Cherokee has single overhead cam (SOHC).
The 2011 Jeep Grand-Cherokee has double overhead cam (DOHC).
The 2006 Jeep Grand-Cherokee has single overhead cam (SOHC).