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post #1 of 20 (permalink) Old 03-26-2011, 05:32 PM Thread Starter
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Question About Oil Change

Hi i have a 2006 Chevy Cobalt LS with roughly 35,000 miles on it.
I have a question about the Oil Life % built into the dash (which also tells you miles, trips and temperature)
A) how accurate is the oil life % reading
B)At what percentage chould i get an oil change?

Thanks!!!
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post #2 of 20 (permalink) Old 03-26-2011, 05:45 PM
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myne is set up to 5000 miles and its pretty accurete..i do myne at 4-5 percent

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post #3 of 20 (permalink) Old 03-26-2011, 06:07 PM
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mhm around 20 % i go ahead and check because i have checked around 15% before and the oil has been completely black so
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post #4 of 20 (permalink) Old 03-26-2011, 06:11 PM
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5% or so. I think it tells you to CHANGE OIL in a message when it's actually time. When the oil is black... it is doing its job, keeping contaminates and other particles in suspension.

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post #5 of 20 (permalink) Old 03-26-2011, 06:19 PM
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mhm either way i still do it my buddy works at an auto store and oil costs me like $15 and i have the gm ecotec filter adapter which makes life even easier and it ensures the balt is healthy so i normally change mine twice a year or about every 3,000 miles
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post #6 of 20 (permalink) Old 03-26-2011, 08:39 PM
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The DIC will nag at you around 5%. I usually go by the OLM percentage, changing it before it hits 0%.

As far as accuracy goes, it is much more in depth than the first OLM systems put into GM vehicles (Which was basically a mile counter). The OLM in our cars are a result of a formula GM made up that determines the life of the oil by taking into account a various number of factors such as engine speed, coolant temps...etc.


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post #7 of 20 (permalink) Old 03-26-2011, 09:48 PM
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Quote:
Originally Posted by Nighthawk243 View Post
The DIC will nag at you around 5%. I usually go by the OLM percentage, changing it before it hits 0%.

As far as accuracy goes, it is much more in depth than the first OLM systems put into GM vehicles (Which was basically a mile counter). The OLM in our cars are a result of a formula GM made up that determines the life of the oil by taking into account a various number of factors such as engine speed, coolant temps...etc.
i have always wondered if i switched to synthetic would i have to change something in the ecu or would it automatically change and calculate the right life of the oil?
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post #8 of 20 (permalink) Old 03-26-2011, 09:51 PM
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Quote:
Originally Posted by Gooty View Post
i have always wondered if i switched to synthetic would i have to change something in the ecu or would it automatically change and calculate the right life of the oil?
I think the calibration of the systems depends on what was intended to go in the vehicle. So your particular OLM will still probably go by the Dino oil calculations.


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post #9 of 20 (permalink) Old 03-26-2011, 10:07 PM Thread Starter
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Thanks everyone !!! I am at 70% right now and I was starting to worry...lol
thanks again!
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post #10 of 20 (permalink) Old 03-26-2011, 11:52 PM
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I change mine around the 60% range, usually because its not driven like your typical daily and that is around the 4, sometimes 5 month mark.

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