One problem related to engine head gasket failure has been reported for the 2007 Jeep Wrangler. The most recently reported issues are listed below.
The contact owns a 2007 Jeep Wrangler. The contact stated that the engine was defective and consumed oil prematurely. The vehicle was taken to an authorized dealer on several occasions and the dealer replaced the pollution control valve. The failure continued. The vehicle was taken back to the dealer and the dealer stated that the head gasket failed and the spark plugs needed to be replaced. The manufacturer denied assistance with repairs because the warranty expired. The vehicle was not repaired. The failure mileage was 30,000 and the current mileage was 40,000. The VIN information was not available. Updated 02/14/lj updated 02/17/12.