One problem related to blown head gasket has been reported for the 2006 Jeep Commander. The most recently reported issues are listed below.
At 100k with no warning, engine runs hot, I wait for 30 min to cool down. . Drive again and it runs hot. . Mechanic says head gasket blown. . Smdh. . Along with that it was raining and the sunroof starts leaking. 8 months prior I had to replace the transmission. What a Jeep and I am still paying on it. !! the Jeep people needs to recall these and at least reimburse people, now im stuck with buying a 5000 engine on a set income. . . Basically couldve bought a brand new car with the funds I put out so far. .