Jeep Commander head gasket failure issue noted as a common problem with 4.7 engine on Jeep Commander

Some Jeep 4.7 engine owners, including those with the Jeep Commander, report experiencing head gasket problems primarily due to engine overheating, which puts significant stress on the gasket and leads to accelerated wear. Symptoms of a faulty head gasket often include engine overheating, coolant leaks, poor engine performance, white smoke from the exhaust, and a milky discoloration in the oil. Mechanics typically diagnose head gasket failure through compression tests, leak-down tests, and visual inspections, with the recommended solution being the replacement of the head gasket. To prevent future issues, owners are advised to promptly address any factors that may cause engine overheating.