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Old May 19, 2016 | 10:00 PM
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Default C7 oil change

So I was browsing through the forum and noticed that a person on here had problems when he took his corvette in for an oil change due to the dry sump
Oil system. I recently got my oil changed for my c7 in LA at a jiffy lube..... I know... Why would I go there instead of a dealer but the car needed an oil change before being driven for a long distance and I was in a hurry. I got my oil changed there then drove it to San Diego. It took me about a 4 hour drive because I went during rush hour. I didn't see any problems on the drive or the next day in San Diego. The car performed well both days and it also revved and went up to 130 mph with no hesitation but after reading the thread posted I called the jiffy lube I serviced my car at and they first said they aren't familiar with working on dry sump oil systems and that the corvette is just like any other oil change. I haven't driven my car since the day after the oil change. Should I be worried and have to oil changed again by a professional or just let the car be?
Thank you for taking the time to read this.
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Old May 19, 2016 | 10:13 PM
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Did you check your oil level per your manual and if so is it okay? If it's over full you may have an issue.

Look at your receipt. How much oil did they use. Does it match the spec in the manual 9.8 quarts?
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Old May 19, 2016 | 10:21 PM
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Originally Posted by Mrc100
Did you check your oil level per your manual and if so is it okay? If it's over full you may have an issue.

Look at your receipt. How much oil did they use. Does it match the spec in the manual 9.8 quarts?
The level seemed fine and like I said no issues with the car at all. They put in 9+ quarts but I'm not sure if it was 9.8
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Old May 19, 2016 | 10:25 PM
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Originally Posted by MeanC7
The level seemed fine and like I said no issues with the car at all. They put in 9+ quarts but I'm not sure if it was 9.8
Probably fine then. The difference really boils down to two drain plugs vs one on a typical car. The problem occurs when the tech drains only one of the plugs then fills the car with 9+ quarts resulting in over fill.
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Old May 19, 2016 | 10:26 PM
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Originally Posted by Mrc100
Probably fine then. The difference really boils down to two drain plugs vs one on a typical car. The problem occurs when the tech drains only one of the plugs then fills the car with 9+ quarts resulting in over fill.
The only other concern would be to ensure the used the proper oil dexos1 5w-30.
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Old May 19, 2016 | 10:28 PM
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Originally Posted by Mrc100
The only other concern would be to ensure the used the proper oil dexos1 5w-30.
It was 5w-30 fully synthetic but I think it was Mobil 1
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Old May 19, 2016 | 10:45 PM
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Originally Posted by MeanC7
It was 5w-30 fully synthetic but I think it was Mobil 1
Mobile 1 is dexos1.....looks like your good to go from my perspective.
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Old May 19, 2016 | 10:46 PM
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Originally Posted by Mrc100
Mobile 1 is dexos1.....looks like your good to go from my perspective.
Thank you!
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Old May 20, 2016 | 09:52 PM
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Mobil1 meets, actually is better than GM dexos blend {part synthetic} oil. But, Mobil1 is full synthetic and better than the part synthetic Dexos blend oil GM puts into a lot of cars and some Vetts.
If you have a dry sump, you are supposed to use Mobile1 starting at 500 mile oil change. Feel free if you think you can clear up what I just said.
Keep in mind a lot of Chevy dealers still have not figured it out.
My local dealer does not want me to talk to their tech! go figure
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Old May 20, 2016 | 11:33 PM
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this is why you have to use the dealership for oil changes on dry sump cars while under warranty (if you dont change the oil your self)

if a dealerships screws up a oil change change on a under warranty corvette, they kind of have to fix the problem.
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Old May 21, 2016 | 05:23 AM
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Originally Posted by skip89
Mobil1 meets, actually is better than GM dexos blend {part synthetic} oil. But, Mobil1 is full synthetic and better than the part synthetic Dexos blend oil GM puts into a lot of cars and some Vetts.
If you have a dry sump, you are supposed to use Mobile1 starting at 500 mile oil change. Feel free if you think you can clear up what I just said.
Keep in mind a lot of Chevy dealers still have not figured it out.
My local dealer does not want me to talk to their tech! go figure
The problem is I live in Idaho and I'm not sure if my dealer is to familiar with the dry sump oil system😁 I just bough this Vette and didn't feel comfortable driving it unless it got an oil change. The reason it's in California is because I'm wrapping it. I think I'm going to look for someone who is experienced and maybe change it again before driving it back.
Thank you for the info
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Old May 21, 2016 | 05:39 AM
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For you guys doing your own oil changes, will the dry sump empty completely if you only have the front end up on jack stands or race ramps? Or do I need to raise all four corners equally?
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