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I did the oil change my self yesterday.. saved a bit of moneyIf only we had the patience to wait that long! I used to manage a Jiffy Lube man! In and out in 20 minutes!
Do you have a diesel or gasoline engine?My 2021 used regular oil for the first 36,000 miles and I changed it every 5k.
Never used a drop.
Once my warranty ended I switched to Mobil 1 full synthetic. 5k later my oil was barely on the dipstick.
Took the vehicle to GMC dealer concerned about oil consumption.
They drained the oil and put in a Delco Blend and started my 1,000 mile consumption test.
Now a 1,000 miles later my dipstick still is full.
I will note that it appeared overfilled when I started the test and I’ve had stupid back and forth with the SA about how to “properly check the oil, cause you can’t just check it bone cold in the morning. You gotta run it for 2-3 minutes, then let it sit for a minute”.
I’m calling BS on how to check the oil & will dig deeper with the SA about that cause it makes no sense.
If the oil is overfilled then the only way they can measure consumption is by draining and weighing the oil and my SA won’t confirm how the actually measure (via dipstick or by drained weight).