Bought new in March 2011 AWD 165,000 kms do all my own work ,5k oil changes ,rear brakes had grooves at 18,000k dealer said its the way i drive offered to pay half of rotors and pads i said no ( should have been warranty) drove it till 40,000 and did all the work myself ( Rockauto ) 42,000km water pump under warranty ,Thanks to Rbarrios and this forum (zipper noise ) i have changed my power steering fluid at every oil change , the crap i vacuumed out the first 5-7 explains why we need pumps and racks ,no issues with power steering ,cleaned PCV valve / snorkel and drilled bigger holes, (this forum ) , no issues with TB ever, replaced vent valve on engine at 75k, new Latitude tires at 90,000 , new Defenders next week , never got 90,000 out of 2nd set ,some life left but winter is here and they lose more than 5 lbs a week , both sets were almost 5 years old, 140,000 k left rear wheel bearing code (Bluedriver reader ) replaced bearing, 160,000 k left front wheel bearing code ,replaced bearing ,had friend top up my AC in Aug , was cold but now colder ,no major leak , last month rear camera in mirror is out , removed liftgate panel and license plate light fascia , put die electric grease on all connections , including back of mirror, nothing , decided to remove camera to replace it and found the 4 SS screws that hold it in place 2 of them split the camera in half , 4 more more pins ,more die electric and presto , works like a charm , reassembled it after checking with everything hanging down , did not remove interior panel , and was able to access the nuts that hold fascia on , battery replaced 2 years ago AC delco bought from dealer , put old 1 in my daughters car and it still works great, which brings me to why i am writing this , last week i was doing my spark plugs at 164k , did rear first and came to right front #6 and the tube was full of oil past the boot ,WTF, mopped it up and continued , #4 middle ,small amount ,left front nothing , TSB from General Motors says replace the head, I ran into this with wifes Colorado I5 motor 5 years ago and told her motor was toast , same mileage 160k , replaced all plugs and 40k later she has had no issues or codes , if i went to the dealer at 160k with my wheel bearing issue they would have told me it was time to do the plugs and i would have been screwed for $5-6 k plus , bearing / brakes of course / plug change / new head /plus plus ,, i had or have no misfires or codes related to engine performance, i have maintained this vehicle and will continue to do so , hopefully for another 10 years, Enclave has been great , change your fluids ( Rbarrios ) ...Have a Merry Christmas and Happy New Year