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oil level increase due to oil dilution - Software update?

Old 11-22-2018, 06:29 AM
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Default oil level increase due to oil dilution - Software update?

Did my first oil and filter change at 10k km when maintenance minder came on, on 2018 Civic HB LX. Checked the oil level after the change and after running the engine to 3k rpm. The engine was also at normal operating temperature. Oil level is at between the 2 dots on the dip stick.

After 2 months and now at 12k km the oil level reads at above the top dot on the dip stick!

Is this normal or dangerous?

I've read elsewhere that the 1.5 L turbo engine squirts extra gasoline at times to keep the cylinder walls cool and this gasoline drains into the crankcase where the oil pan is.

What should I do? Siphon the extra oil out?

Take it to the dealer? I heard that the new CR-Vs have had this problem and that there is a fix. Is that true?
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Old 11-22-2018, 08:40 AM
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Default re: oil level increase due to oil dilution - Software update?

Fuel dilution, change the oil early and often until Honda gets the fix in to your computer.
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Old 11-29-2018, 03:30 AM
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Default Re: oil level increase due to oil dilution - Software update?

Originally Posted by 2018HBowner View Post
Did my first oil and filter change at 10k km when maintenance minder came on, on 2018 Civic HB LX. Checked the oil level after the change and after running the engine to 3k rpm. The engine was also at normal operating temperature. Oil level is at between the 2 dots on the dip stick.

After 2 months and now at 12k km the oil level reads at above the top dot on the dip stick!

Is this normal or dangerous?

I've read elsewhere that the 1.5 L turbo engine squirts extra gasoline at times to keep the cylinder walls cool and this gasoline drains into the crankcase where the oil pan is.

What should I do? Siphon the extra oil out?

Take it to the dealer? I heard that the new CR-Vs have had this problem and that there is a fix. Is that true?
Did you say you checked the oil when the engine was on or still warm?
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Old 01-08-2019, 06:45 PM
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Default Re: oil level increase due to oil dilution - Software update?

I had the dealer perform the software update for this issue. They offered to dump the old oil and refill with new oil, they wanted to keep the same oil filter rather than change it. I offered to pay for a new oil filter rather than mixing old oil with new, it only made sense, kind of dumb that Honda would cheap out over an oil filter.
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Old 01-09-2019, 02:22 AM
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Default Re: oil level increase due to oil dilution - Software update?

Originally Posted by zeroptzero View Post
I had the dealer perform the software update for this issue. They offered to dump the old oil and refill with new oil, they wanted to keep the same oil filter rather than change it. I offered to pay for a new oil filter rather than mixing old oil with new, it only made sense, kind of dumb that Honda would cheap out over an oil filter.
Not necessarily; these days there is very-VERY little oil in the filter, that and as filters age their efficiency improves; that's why Honda recommends replacing the filter every-other oil change for many of their cars.
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Old 01-09-2019, 05:07 AM
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Default Re: oil level increase due to oil dilution - Software update?

Originally Posted by zeroptzero View Post
I had the dealer perform the software update for this issue. They offered to dump the old oil and refill with new oil, they wanted to keep the same oil filter rather than change it. I offered to pay for a new oil filter rather than mixing old oil with new, it only made sense, kind of dumb that Honda would cheap out over an oil filter.
is this in the U.S? Do you have a TSB number(s)?

Last edited by TheShodan; 01-09-2019 at 08:10 AM.
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Old 01-10-2019, 08:43 PM
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Default Re: oil level increase due to oil dilution - Software update?

Originally Posted by TheShodan View Post
is this in the U.S? Do you have a TSB number(s)?
I'm in Canada, it was announced by Honda Canada. I don't know how it is being handled in the US, check with you local Honda dealer if it applies to you.
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Old 01-11-2019, 06:01 AM
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Default Re: oil level increase due to oil dilution - Software update?

Originally Posted by zeroptzero View Post
I'm in Canada, it was announced by Honda Canada. I don't know how it is being handled in the US, check with you local Honda dealer if it applies to you.
Our local dealers are complete and utter idiots, and in 24 years have never relied on them for advice. (Which is why my cars last such a long time). . This is why I asked about the TSB number possibility to help them head in the right direction for me..
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