Four on the suspension, one on the steering linkage.
A 1990 Jeep Wrangler needs approximately 6 quarts of oil for an oil change.
The 2014 Jeep Wrangler has 24 valves.
The 2005 Jeep Wrangler has 16 valves.
The 2004 Jeep Wrangler has 16 valves.
The 2009 Jeep Wrangler has 12 valves.
The 2008 Jeep Wrangler has 12 valves.
The 2006 Jeep Wrangler has 16 valves.
The 2001 Jeep Wrangler has 8 valves.
The 2003 Jeep Wrangler has 16 valves.
The 2007 Jeep Wrangler has 12 valves.
The 2002 Jeep Wrangler has 8 valves.
The 2013 Jeep Wrangler has 24 valves.