The 4.0 Liter L6 that Jeep makes is bullet proof EXCEPT FOR ONE MAJOR FLAW
I like the Jeep- almost 160,000 miles on it. I HATE THE damned rear seal. Spoke with Chris at D&S Autocare about resealing the whole engine- it means pulling the motor. Call it $3000 to reseal the whole engine, call it $4500 for a rebuilt. (Insert swearing here) Apparently around the 150,000 mile mark that seal dies, makes a mess, makes the owner angry. Had a tune up done- mechanically the engines in fine shape, plugs are that pretty brown/tan color but the electrodes had burned down. Compression was 150 all around- other than that damned rear seal and the oil leaks,,,,so is it time for a new motor? Or sell it to someone else?
