Original turbo + no oil consumption?
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What do you mean by OCI?
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Oil Change Interval.
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Using AMSOIL Signature Series 5W-30 at 10k-15k mile intervals, I've never seen a drop in oil level except when my intake manifold check valve went out. I currently have about 69k miles on the car.
On these cars, when using a good synthetic oil, any oil consumption indicates a problem, usually the check valve in the intake manifold being bad.
On these cars, when using a good synthetic oil, any oil consumption indicates a problem, usually the check valve in the intake manifold being bad.
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1,336 Posts
2011 1LT @ 59,000 miles. original everything - intake manifold, pcv, and turbo. no oil consumption. on my 4th water pump hopefully changing it three times is a charm. knock on wood 
Used mobil one for break in on the first three oil changes @ 5000 miles intervals. since then been using amsoil 5w-30 once a year except for the fifth year I treated it to two oil changes @ 6 months interval and my OLM was 45%. Once a year interval my OLM is usually near zero because I put between 7000 to 9000 miles a year. This past year I changed the filter only @ 6 months which I will probably keep doing.
Right now though my OLM is at 10% and a year will be october so not sure if I am going to make it to october without it reaching zero. I have only 6500 miles on the current oil change and I changed the filter @ 6 months so not sure I am going to worry too much about the OLM but it is a nice to have sort of like the tire pressure reader.
Used mobil one for break in on the first three oil changes @ 5000 miles intervals. since then been using amsoil 5w-30 once a year except for the fifth year I treated it to two oil changes @ 6 months interval and my OLM was 45%. Once a year interval my OLM is usually near zero because I put between 7000 to 9000 miles a year. This past year I changed the filter only @ 6 months which I will probably keep doing. Right now though my OLM is at 10% and a year will be october so not sure if I am going to make it to october without it reaching zero. I have only 6500 miles on the current oil change and I changed the filter @ 6 months so not sure I am going to worry too much about the OLM but it is a nice to have sort of like the tire pressure reader.
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My Gen1 used about a quart over an OCI of about 8k.
This was consistent to the final mileage of 195k with a known missing check valve for at least 150k.
This was consistent to the final mileage of 195k with a known missing check valve for at least 150k.
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635 Posts
My 2011 with 47k with original everything gets oil changes about every 6-8 months at 4k miles, with no oil consumption, I use mobile 1 full sythetic 5w30 since she had 19k miles
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2011 Eco 6MT, currently at 88K. Running Amsoil SS 5W-30 with no oil consumption and at about 12K on my oil change. This is the first time I have used Amsoil in this car.
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I've been getting an increasingly frequent sputter/fluctuation at startup and warm idle, and vapor around the VC is starting to collect dirt, so as soon as I can (somewhere around 100K) I'm going to replace the valve cover all related to the PCV as PM even if it hasn't given up yet. Just did the coolant inlet about a month ago and my original water pump is hanging in there.
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Yeah, my daughter's goes out of warranty in October, if it has not failed by then, I'm going to go ahead and pull the intake and do Xtreme's check valve fix before it fails. I'll do the water outlet and res. hose at the same time, as it will be time for a coolant change also. I do keep an eye on it though.
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That's a rare testimony among Cruze owners!
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I wonder how many of us actually check the oil level before and after the oil change! When I change my oil I put in 4 quarts exactly, that puts the oil level on the stick slightly over the top of the etched marks, 4.2 would be way over. Before changing it at around 7500 the level is on the top mark of the stick, which I estimate around a 1/4 quart.
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My 2012 didn't use any between OCI's until the check valve went out. Had 53k on the clock when I sold it. Lots of short trip driving with that one.
The 2016 doesn't use any either, and somehow, the oil is still golden colored at 5k on this oil change! Surprising for a DI engine - I've heard most turn it black quite quickly.
The 2016 doesn't use any either, and somehow, the oil is still golden colored at 5k on this oil change! Surprising for a DI engine - I've heard most turn it black quite quickly.
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I'm not sure whats up with mine, its always been this way, or at least since I started the oil changes after the free ones ran out! Maybe X is write and I have a problem with the PCV system but I've seen no codes or performance issues. I've also heard that the oil I use may have a high evap rate, I've used Pennzoil Ultra Platinum every time.
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I run/ran Platinum or Ultra (before it was Ultra Platinum - the naming is just weird on that one) in both of mine. Is the tube that connects to the throttle body quite oily underneath?
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Don't know, I'll have to check it tomorrow.
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