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I would be concerned about hitting and damaging something inside the crankcase such as a sensor, switch or such, with the extraction tube, unless I knew for certain that it was clear.
I changed mine for the first time at 3500 mi, even tho the oil life said 57% remaining. My perception is that during new engine break-in, the oil becomes more contaminated with break-in particles, and thus should be changed sooner. After first time, I will rely on oil life indicator.
Interesting idea to change the filter w/o the oil. The CTS filter cartridge setup allows to do that. Thanks.
Yes, and when I refill with exactly 6 quarts after completely draining crankcase and oil filter container, my dipstick shows about 1/3 qt. low.
So it seems the oil drain plug on the AWD models is behind a cover held by 4 screws and on the drivers side. Correct? Mine is a 2009 CTS 3.6 AWD
I changed the oil in my 3.6 DI AWD the other day and the only thing I found odd was the bolts for the bottom cover were very rusty and tight. Whoever was doing the oil changes before I can only assume they weren't taking the cover off completely as the inside of the cover was oil soaked but I found no oil leaks.
This is a great tool and makes the job easy and painless, however, any dirt particulate resting on the bottom of the oil pan will remain there. Although, obviously, running the engine to operating temperature prior to changing the oil will suspend the particulates of carbon and other nasties, and it SHOULD be sucked up by this tool, it is my suggestion to do it the labor intensive manner so that there is nothing left to chance.... Just my opinion. (I have been working on automobiles for over 35 years)....
So tomorrow I plan to change my oil using Mobil 1 and I plan to install a spring loaded valve from
Quikvalve to replace drain plug. Had one on my Mustang and loved it. Also the valve allows you to attach a
Piece of tubing to help direct the oil in tight places. Hoping this will allow me not to have to remove the
Shroud fully next oil change. I'll post a pic after im done.